Massive name change USB STRG -> USB MSC

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4334 42af7a65-404d-4744-a932-0658087f49c3

130 files changed, 3012 insertions, 3012 deletions

diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index adfd5e8ca..77946f7fd 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -1052,27 +1052,27 @@ defconfig -- This is a configuration file similar to the Linux
 
 	USB Storage Device Configuration
 
-		CONFIG_USBSTRG
+		CONFIG_USBMSC
 		  Enable compilation of the USB storage driver
-		CONFIG_USBSTRG_COMPOSITE
+		CONFIG_USBMSC_COMPOSITE
 		  Configure the mass storage driver as part of a composite driver
 		  (only if CONFIG_USBDEV_COMPOSITE is also defined)
-		CONFIG_USBSTRG_EP0MAXPACKET
+		CONFIG_USBMSC_EP0MAXPACKET
 		  Max packet size for endpoint 0
-		CONFIG_USBSTRGEPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+		CONFIG_USBMSCEPBULKOUT and CONFIG_USBMSC_EPBULKIN
 		  The logical 7-bit address of a hardware endpoints that support
 		  bulk OUT and IN operations
-		CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+		CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 		  The number of write/read requests that can be in flight
-		CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+		CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 		  The size of the buffer in each write/read request.  This
 		  value needs to be at least as large as the endpoint
 		  maxpacket and ideally as large as a block device sector.
-		CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+		CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 		  The vendor ID code/string
-		CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+		CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 		  The product ID code/string
-		CONFIG_USBSTRG_REMOVABLE
+		CONFIG_USBMSC_REMOVABLE
 		  Select if the media is removable
 
 	Graphics related configuration settings
diff --git a/nuttx/configs/amber/hello/defconfig b/nuttx/configs/amber/hello/defconfig
index fd046d50d..400585f99 100644
--- a/nuttx/configs/amber/hello/defconfig
+++ b/nuttx/configs/amber/hello/defconfig
@@ -578,40 +578,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -745,46 +745,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/avr32dev1/nsh/defconfig b/nuttx/configs/avr32dev1/nsh/defconfig
index df7e285e3..505be57c9 100755
--- a/nuttx/configs/avr32dev1/nsh/defconfig
+++ b/nuttx/configs/avr32dev1/nsh/defconfig
@@ -606,40 +606,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/avr32dev1/ostest/defconfig b/nuttx/configs/avr32dev1/ostest/defconfig
index 77a668add..a2376daf3 100755
--- a/nuttx/configs/avr32dev1/ostest/defconfig
+++ b/nuttx/configs/avr32dev1/ostest/defconfig
@@ -606,40 +606,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/demo9s12ne64/ostest/defconfig b/nuttx/configs/demo9s12ne64/ostest/defconfig
index 3848c1a61..14430c3da 100755
--- a/nuttx/configs/demo9s12ne64/ostest/defconfig
+++ b/nuttx/configs/demo9s12ne64/ostest/defconfig
@@ -582,40 +582,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ea3131/nsh/defconfig b/nuttx/configs/ea3131/nsh/defconfig
index 0c7193079..aea790047 100644
--- a/nuttx/configs/ea3131/nsh/defconfig
+++ b/nuttx/configs/ea3131/nsh/defconfig
@@ -589,40 +589,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ea3131/ostest/defconfig b/nuttx/configs/ea3131/ostest/defconfig
index 0027aa242..8aa8672ab 100644
--- a/nuttx/configs/ea3131/ostest/defconfig
+++ b/nuttx/configs/ea3131/ostest/defconfig
@@ -589,40 +589,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ea3131/pgnsh/defconfig b/nuttx/configs/ea3131/pgnsh/defconfig
index d6643a3f3..f8ffcecb4 100644
--- a/nuttx/configs/ea3131/pgnsh/defconfig
+++ b/nuttx/configs/ea3131/pgnsh/defconfig
@@ -740,40 +740,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ea3131/src/Makefile b/nuttx/configs/ea3131/src/Makefile
index b49619440..685bfd997 100644
--- a/nuttx/configs/ea3131/src/Makefile
+++ b/nuttx/configs/ea3131/src/Makefile
@@ -59,8 +59,8 @@ endif
 ifeq ($(CONFIG_PAGING),y)
 CSRCS		+= up_fillpage.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
diff --git a/nuttx/configs/ea3131/src/up_usbstrg.c b/nuttx/configs/ea3131/src/up_usbmsc.c
index 5aef28733..422ff3603 100644
--- a/nuttx/configs/ea3131/src/up_usbstrg.c
+++ b/nuttx/configs/ea3131/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/ea3131/src/up_usbstrg.c
+ * configs/ea3131/src/up_usbmsc.c
  *
  *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -56,34 +56,34 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVPATH1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVPATH1  "/dev/ram"
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH1
+#  define CONFIG_EXAMPLES_USBMSC_DEVPATH1  "/dev/ram"
 #endif
 
-static const char g_source[] = CONFIG_EXAMPLES_USBSTRG_DEVPATH1;
+static const char g_source[] = CONFIG_EXAMPLES_USBMSC_DEVPATH1;
 static struct fat_format_s g_fmt = FAT_FORMAT_INITIALIZER;
 
-#define USBSTRG_NSECTORS        64
-#define USBSTRG_SECTORSIZE      512
-#define BUFFER_SIZE             (USBSTRG_NSECTORS*USBSTRG_SECTORSIZE)
+#define USBMSC_NSECTORS        64
+#define USBMSC_SECTORSIZE      512
+#define BUFFER_SIZE            (USBMSC_NSECTORS*USBMSC_SECTORSIZE)
 
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   uint8_t *pbuffer;
   int ret;
@@ -91,17 +91,17 @@ int usbstrg_archinitialize(void)
   pbuffer = (uint8_t *) malloc (BUFFER_SIZE);
   if (!pbuffer)
     {
-      lib_lowprintf ("usbstrg_archinitialize: Failed to allocate ramdisk of size %d\n",
+      lib_lowprintf ("usbmsc_archinitialize: Failed to allocate ramdisk of size %d\n",
                      BUFFER_SIZE);
       return -ENOMEM;
     }
 
   /* Register a RAMDISK device to manage this RAM image */
   
-  ret = ramdisk_register(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1,
+  ret = ramdisk_register(CONFIG_EXAMPLES_USBMSC_DEVMINOR1,
                          pbuffer,
-                         USBSTRG_NSECTORS,
-                         USBSTRG_SECTORSIZE,
+                         USBMSC_NSECTORS,
+                         USBMSC_SECTORSIZE,
                          true);
   if (ret < 0)
     {
diff --git a/nuttx/configs/ea3131/usbserial/defconfig b/nuttx/configs/ea3131/usbserial/defconfig
index d06212649..5d1023570 100644
--- a/nuttx/configs/ea3131/usbserial/defconfig
+++ b/nuttx/configs/ea3131/usbserial/defconfig
@@ -592,40 +592,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=512
-CONFIG_USBSTRG_BULKOUTREQLEN=512
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=512
+CONFIG_USBMSC_BULKOUTREQLEN=512
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -746,45 +746,45 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/ram0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/ram0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/ea3131/usbstorage/defconfig b/nuttx/configs/ea3131/usbstorage/defconfig
index 5dc459316..210384a63 100644
--- a/nuttx/configs/ea3131/usbstorage/defconfig
+++ b/nuttx/configs/ea3131/usbstorage/defconfig
@@ -592,40 +592,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=512
-CONFIG_USBSTRG_BULKOUTREQLEN=512
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=512
+CONFIG_USBMSC_BULKOUTREQLEN=512
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -746,46 +746,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/ram0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/ram0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/ea3152/ostest/defconfig b/nuttx/configs/ea3152/ostest/defconfig
index 36b716d2b..14496b590 100644
--- a/nuttx/configs/ea3152/ostest/defconfig
+++ b/nuttx/configs/ea3152/ostest/defconfig
@@ -590,40 +590,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ea3152/src/Makefile b/nuttx/configs/ea3152/src/Makefile
index 43b5edcc9..6393f3091 100644
--- a/nuttx/configs/ea3152/src/Makefile
+++ b/nuttx/configs/ea3152/src/Makefile
@@ -59,8 +59,8 @@ endif
 ifeq ($(CONFIG_PAGING),y)
 CSRCS		+= up_fillpage.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
diff --git a/nuttx/configs/ea3152/src/up_usbstrg.c b/nuttx/configs/ea3152/src/up_usbmsc.c
index 9f3a9bf3f..db92e5b9e 100644
--- a/nuttx/configs/ea3152/src/up_usbstrg.c
+++ b/nuttx/configs/ea3152/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/ea3152/src/up_usbstrg.c
+ * configs/ea3152/src/up_usbmsc.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -56,34 +56,34 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVPATH1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVPATH1  "/dev/ram"
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH1
+#  define CONFIG_EXAMPLES_USBMSC_DEVPATH1  "/dev/ram"
 #endif
 
-static const char g_source[] = CONFIG_EXAMPLES_USBSTRG_DEVPATH1;
+static const char g_source[] = CONFIG_EXAMPLES_USBMSC_DEVPATH1;
 static struct fat_format_s g_fmt = FAT_FORMAT_INITIALIZER;
 
-#define USBSTRG_NSECTORS        64
-#define USBSTRG_SECTORSIZE      512
-#define BUFFER_SIZE             (USBSTRG_NSECTORS*USBSTRG_SECTORSIZE)
+#define USBMSC_NSECTORS        64
+#define USBMSC_SECTORSIZE      512
+#define BUFFER_SIZE            (USBMSC_NSECTORS*USBMSC_SECTORSIZE)
 
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   uint8_t *pbuffer;
   int ret;
@@ -91,17 +91,17 @@ int usbstrg_archinitialize(void)
   pbuffer = (uint8_t *) malloc (BUFFER_SIZE);
   if (!pbuffer)
     {
-      lib_lowprintf ("usbstrg_archinitialize: Failed to allocate ramdisk of size %d\n",
+      lib_lowprintf ("usbmsc_archinitialize: Failed to allocate ramdisk of size %d\n",
                      BUFFER_SIZE);
       return -ENOMEM;
     }
 
   /* Register a RAMDISK device to manage this RAM image */
   
-  ret = ramdisk_register(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1,
+  ret = ramdisk_register(CONFIG_EXAMPLES_USBMSC_DEVMINOR1,
                          pbuffer,
-                         USBSTRG_NSECTORS,
-                         USBSTRG_SECTORSIZE,
+                         USBMSC_NSECTORS,
+                         USBMSC_SECTORSIZE,
                          true);
   if (ret < 0)
     {
diff --git a/nuttx/configs/ez80f910200kitg/ostest/defconfig b/nuttx/configs/ez80f910200kitg/ostest/defconfig
index 5fea9f7a4..73b289cb8 100644
--- a/nuttx/configs/ez80f910200kitg/ostest/defconfig
+++ b/nuttx/configs/ez80f910200kitg/ostest/defconfig
@@ -501,39 +501,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/ez80f910200zco/dhcpd/defconfig b/nuttx/configs/ez80f910200zco/dhcpd/defconfig
index 40cbb674a..3127f86a6 100644
--- a/nuttx/configs/ez80f910200zco/dhcpd/defconfig
+++ b/nuttx/configs/ez80f910200zco/dhcpd/defconfig
@@ -509,39 +509,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/ez80f910200zco/httpd/defconfig b/nuttx/configs/ez80f910200zco/httpd/defconfig
index 5e2801348..cf1926dbc 100644
--- a/nuttx/configs/ez80f910200zco/httpd/defconfig
+++ b/nuttx/configs/ez80f910200zco/httpd/defconfig
@@ -509,39 +509,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/ez80f910200zco/nettest/defconfig b/nuttx/configs/ez80f910200zco/nettest/defconfig
index 9468c7b5b..6fa22d325 100644
--- a/nuttx/configs/ez80f910200zco/nettest/defconfig
+++ b/nuttx/configs/ez80f910200zco/nettest/defconfig
@@ -509,39 +509,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/ez80f910200zco/nsh/defconfig b/nuttx/configs/ez80f910200zco/nsh/defconfig
index 60abb1e77..71f9f758a 100644
--- a/nuttx/configs/ez80f910200zco/nsh/defconfig
+++ b/nuttx/configs/ez80f910200zco/nsh/defconfig
@@ -509,39 +509,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/ez80f910200zco/ostest/defconfig b/nuttx/configs/ez80f910200zco/ostest/defconfig
index 7649d22bd..50dec56ba 100644
--- a/nuttx/configs/ez80f910200zco/ostest/defconfig
+++ b/nuttx/configs/ez80f910200zco/ostest/defconfig
@@ -504,39 +504,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/ez80f910200zco/poll/defconfig b/nuttx/configs/ez80f910200zco/poll/defconfig
index 133ef6a75..bac05b8a8 100644
--- a/nuttx/configs/ez80f910200zco/poll/defconfig
+++ b/nuttx/configs/ez80f910200zco/poll/defconfig
@@ -509,39 +509,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # CONFIG_NX
diff --git a/nuttx/configs/hymini-stm32v/README.txt b/nuttx/configs/hymini-stm32v/README.txt
index 6ed3bc452..a3241da72 100755
--- a/nuttx/configs/hymini-stm32v/README.txt
+++ b/nuttx/configs/hymini-stm32v/README.txt
@@ -580,7 +580,7 @@ Where <subdir> is one of the following:
         long file names in the FAT file system.  Please refer to the
         details in the top-level COPYING file.  Please do not use FAT
         long file name unless you are familiar with these patent issues.
-    (5) When built as an NSH add-on command (CONFIG_EXAMPLES_USBSTRG_BUILTIN=y),
+    (5) When built as an NSH add-on command (CONFIG_EXAMPLES_USBMSC_BUILTIN=y),
         Caution should be used to assure that the SD drive is not in use when
         the USB storage device is configured.  Specifically, the SD driver
         should be unmounted like:
diff --git a/nuttx/configs/hymini-stm32v/buttons/defconfig b/nuttx/configs/hymini-stm32v/buttons/defconfig
index ccfff5a11..908d9eebf 100644
--- a/nuttx/configs/hymini-stm32v/buttons/defconfig
+++ b/nuttx/configs/hymini-stm32v/buttons/defconfig
@@ -673,40 +673,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/hymini-stm32v/nsh/defconfig b/nuttx/configs/hymini-stm32v/nsh/defconfig
index 999cacfa4..d30c40a0b 100755
--- a/nuttx/configs/hymini-stm32v/nsh/defconfig
+++ b/nuttx/configs/hymini-stm32v/nsh/defconfig
@@ -676,40 +676,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/hymini-stm32v/nsh2/defconfig b/nuttx/configs/hymini-stm32v/nsh2/defconfig
index 240d77fc5..8e4963650 100644
--- a/nuttx/configs/hymini-stm32v/nsh2/defconfig
+++ b/nuttx/configs/hymini-stm32v/nsh2/defconfig
@@ -646,40 +646,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
@@ -1120,54 +1120,54 @@ CONFIG_EXAMPLES_NXLINES_EXTERNINIT=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_BUILTIN
+# CONFIG_EXAMPLES_USBMSC_BUILTIN
 #   This example can be built as two NSH "built-in" commands if this option
 #   is selection: 'msconn' will connect the USB mass storage device; 'msdis'
 #   will disconnect the USB storage device.
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEBUGMM
+#  CONFIG_EXAMPLES_USBMSC_DEBUGMM
 #    Enables some debug tests to check for memory usage and memory leaks.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_BUILTIN=y
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_DEBUGMM=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_BUILTIN=y
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_DEBUGMM=n
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 
 CONFIG_EXAMPLES_LCDTEST_BUILTIN=y
diff --git a/nuttx/configs/hymini-stm32v/nx/defconfig b/nuttx/configs/hymini-stm32v/nx/defconfig
index a392b9461..ab7b9b2ac 100644
--- a/nuttx/configs/hymini-stm32v/nx/defconfig
+++ b/nuttx/configs/hymini-stm32v/nx/defconfig
@@ -692,40 +692,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/hymini-stm32v/nxlines/defconfig b/nuttx/configs/hymini-stm32v/nxlines/defconfig
index 1e88a048c..5e3a2e9b0 100644
--- a/nuttx/configs/hymini-stm32v/nxlines/defconfig
+++ b/nuttx/configs/hymini-stm32v/nxlines/defconfig
@@ -696,40 +696,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/hymini-stm32v/src/Makefile b/nuttx/configs/hymini-stm32v/src/Makefile
index d79260748..5bb03930a 100644
--- a/nuttx/configs/hymini-stm32v/src/Makefile
+++ b/nuttx/configs/hymini-stm32v/src/Makefile
@@ -55,8 +55,8 @@ ifeq ($(CONFIG_INPUT),y)
 CSRCS		+= up_ts.c
 endif
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 COBJS		= $(CSRCS:.c=$(OBJEXT))
diff --git a/nuttx/configs/hymini-stm32v/src/up_usbstrg.c b/nuttx/configs/hymini-stm32v/src/up_usbmsc.c
index 8a309c270..1ce55adcc 100644
--- a/nuttx/configs/hymini-stm32v/src/up_usbstrg.c
+++ b/nuttx/configs/hymini-stm32v/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/hymini-stm32v/src/up_usbstrg.c
+ * configs/hymini-stm32v/src/up_usbmsc.c
  *
  *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -60,8 +60,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* SLOT number(s) could depend on the board configuration */
@@ -100,53 +100,53 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
-  /* If examples/usbstrg is built as an NSH command, then SD slot should
+  /* If examples/usbmsc is built as an NSH command, then SD slot should
    * already have been initialized in nsh_archinitialize() (see up_nsh.c).  In
    * this case, there is nothing further to be done here.
    */
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_BUILTIN
+#ifndef CONFIG_EXAMPLES_USBMSC_BUILTIN
   FAR struct sdio_dev_s *sdio;
   int ret;
 
   /* First, get an instance of the SDIO interface */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Initializing SDIO slot %d\n",
           STM32_MMCSDSLOTNO);
 
   sdio = sdio_initialize(STM32_MMCSDSLOTNO);
   if (!sdio)
     {
-      message("usbstrg_archinitialize: Failed to initialize SDIO slot %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SDIO slot %d\n",
               STM32_MMCSDSLOTNO);
       return -ENODEV;
     }
 
   /* Now bind the SDIO interface to the MMC/SD driver */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Bind SDIO to the MMC/SD driver, minor=%d\n",
-          CONFIG_EXAMPLES_USBSTRG_DEVMINOR1);
+          CONFIG_EXAMPLES_USBMSC_DEVMINOR1);
 
-  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, sdio);
+  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, sdio);
   if (ret != OK)
     {
-      message("usbstrg_archinitialize: "
+      message("usbmsc_archinitialize: "
               "Failed to bind SDIO to the MMC/SD driver: %d\n",
               ret);
       return ret;
     }
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Successfully bound SDIO to the MMC/SD driver\n");
   
   /* Then let's guess and say that there is a card in the slot.  I need to check to
@@ -156,7 +156,7 @@ int usbstrg_archinitialize(void)
 
    sdio_mediachange(sdio, true);
 
-#endif /* CONFIG_EXAMPLES_USBSTRG_BUILTIN */
+#endif /* CONFIG_EXAMPLES_USBMSC_BUILTIN */
 
    return OK;
 }
diff --git a/nuttx/configs/hymini-stm32v/usbserial/defconfig b/nuttx/configs/hymini-stm32v/usbserial/defconfig
index 33d4033f7..4f087671f 100755
--- a/nuttx/configs/hymini-stm32v/usbserial/defconfig
+++ b/nuttx/configs/hymini-stm32v/usbserial/defconfig
@@ -740,40 +740,40 @@ CONFIG_CDCSER=n
 
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/hymini-stm32v/usbstorage/defconfig b/nuttx/configs/hymini-stm32v/usbstorage/defconfig
index 43b2c1d8f..5e32895ff 100755
--- a/nuttx/configs/hymini-stm32v/usbstorage/defconfig
+++ b/nuttx/configs/hymini-stm32v/usbstorage/defconfig
@@ -684,40 +684,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -844,54 +844,54 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_BUILTIN
+# CONFIG_EXAMPLES_USBMSC_BUILTIN
 #   This example can be built as two NSH "built-in" commands if this option
 #   is selection: 'msconn' will connect the USB mass storage device; 'msdis'
 #   will disconnect the USB storage device.
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEBUGMM
+#  CONFIG_EXAMPLES_USBMSC_DEBUGMM
 #    Enables some debug tests to check for memory usage and memory leaks.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_BUILTIN=n
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_DEBUGMM=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_BUILTIN=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_DEBUGMM=n
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/kwikstik-k40/ostest/defconfig b/nuttx/configs/kwikstik-k40/ostest/defconfig
index 3b0eb3ca0..57ffe91c0 100755
--- a/nuttx/configs/kwikstik-k40/ostest/defconfig
+++ b/nuttx/configs/kwikstik-k40/ostest/defconfig
@@ -733,40 +733,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/kwikstik-k40/src/Makefile b/nuttx/configs/kwikstik-k40/src/Makefile
index 9e0d72258..8c61af8af 100755
--- a/nuttx/configs/kwikstik-k40/src/Makefile
+++ b/nuttx/configs/kwikstik-k40/src/Makefile
@@ -58,8 +58,8 @@ ifeq ($(CONFIG_USBDEV),y)
 CSRCS		+= up_usbdev.c
 endif
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 COBJS		= $(CSRCS:.c=$(OBJEXT))
diff --git a/nuttx/configs/kwikstik-k40/src/up_usbstrg.c b/nuttx/configs/kwikstik-k40/src/up_usbmsc.c
index d5dcebf7a..378295cfa 100755
--- a/nuttx/configs/kwikstik-k40/src/up_usbstrg.c
+++ b/nuttx/configs/kwikstik-k40/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/kwikstik-k40/src/up_usbstrg.c
+ * configs/kwikstik-k40/src/up_usbmsc.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -56,8 +56,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* SLOT number(s) could depend on the board configuration */
@@ -96,23 +96,23 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
-  /* If examples/usbstrg is built as an NSH command, then SD slot should
+  /* If examples/usbmsc is built as an NSH command, then SD slot should
    * already have been initized in nsh_archinitialize() (see up_nsh.c).  In
    * this case, there is nothing further to be done here.
    */
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_BUILTIN
+#ifndef CONFIG_EXAMPLES_USBMSC_BUILTIN
 #  warning "Missing logic"
-#endif /* CONFIG_EXAMPLES_USBSTRG_BUILTIN */
+#endif /* CONFIG_EXAMPLES_USBMSC_BUILTIN */
 
    return OK;
 }
diff --git a/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig b/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig
index e60c02c1b..d19ae4538 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/dhcpd/defconfig
@@ -668,40 +668,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -843,46 +843,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig b/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig
index 9884ec957..add5f015b 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/nsh/defconfig
@@ -708,40 +708,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -875,46 +875,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig b/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig
index c54eec489..043c96398 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/nx/defconfig
@@ -679,40 +679,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
@@ -963,46 +963,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Settings for examples/nx
diff --git a/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig b/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig
index 0975342d9..9dfaf4c5e 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/ostest/defconfig
@@ -664,40 +664,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -831,46 +831,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/lpcxpresso-lpc1768/src/Makefile b/nuttx/configs/lpcxpresso-lpc1768/src/Makefile
index 6aec64fb6..abc43d41c 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/src/Makefile
+++ b/nuttx/configs/lpcxpresso-lpc1768/src/Makefile
@@ -48,8 +48,8 @@ ifeq ($(CONFIG_NX_LCDDRIVER),y)
 CSRCS       += up_oled.c
 endif
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
diff --git a/nuttx/configs/lpcxpresso-lpc1768/src/up_usbstrg.c b/nuttx/configs/lpcxpresso-lpc1768/src/up_usbmsc.c
index 04911d657..d36880122 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/src/up_usbstrg.c
+++ b/nuttx/configs/lpcxpresso-lpc1768/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/lpcxpresso-lpc1768/src/up_usbstrg.c
+ * configs/lpcxpresso-lpc1768/src/up_usbmsc.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -54,8 +54,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* PORT and SLOT number probably depend on the board configuration */
@@ -96,48 +96,48 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct spi_dev_s *spi;
   int ret;
 
   /* Get the SPI port */
 
-  message("usbstrg_archinitialize: Initializing SPI port %d\n",
+  message("usbmsc_archinitialize: Initializing SPI port %d\n",
           LPC17XX_MMCSDSPIPORTNO);
 
   spi = up_spiinitialize(LPC17XX_MMCSDSPIPORTNO);
   if (!spi)
     {
-      message("usbstrg_archinitialize: Failed to initialize SPI port %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SPI port %d\n",
               LPC17XX_MMCSDSPIPORTNO);
       return -ENODEV;
     }
 
-  message("usbstrg_archinitialize: Successfully initialized SPI port %d\n",
+  message("usbmsc_archinitialize: Successfully initialized SPI port %d\n",
           LPC17XX_MMCSDSPIPORTNO);
 
   /* Bind the SPI port to the slot */
 
-  message("usbstrg_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
           LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
 
-  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
   if (ret < 0)
     {
-      message("usbstrg_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+      message("usbmsc_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
               LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO, ret);
       return ret;
     }
 
-  message("usbstrg_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
           LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
   return OK;
 }
diff --git a/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig b/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig
index 2c4a25224..62ee77481 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/thttpd/defconfig
@@ -673,40 +673,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # THTTPD settings
@@ -930,46 +930,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig b/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig
index 9df689f5c..c2221151a 100755
--- a/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig
+++ b/nuttx/configs/lpcxpresso-lpc1768/usbstorage/defconfig
@@ -653,40 +653,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -820,46 +820,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/mbed/hidkbd/defconfig b/nuttx/configs/mbed/hidkbd/defconfig
index ead1cbf3e..322780d84 100644
--- a/nuttx/configs/mbed/hidkbd/defconfig
+++ b/nuttx/configs/mbed/hidkbd/defconfig
@@ -696,40 +696,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/mbed/nsh/defconfig b/nuttx/configs/mbed/nsh/defconfig
index df99bb4ce..1e1b10b3a 100755
--- a/nuttx/configs/mbed/nsh/defconfig
+++ b/nuttx/configs/mbed/nsh/defconfig
@@ -638,40 +638,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/mbed/src/Makefile b/nuttx/configs/mbed/src/Makefile
index ef8c63710..9841a90a5 100755
--- a/nuttx/configs/mbed/src/Makefile
+++ b/nuttx/configs/mbed/src/Makefile
@@ -42,8 +42,8 @@ CSRCS		= up_boot.c up_leds.c
 ifeq ($(CONFIG_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
diff --git a/nuttx/configs/mcu123-lpc214x/nsh/defconfig b/nuttx/configs/mcu123-lpc214x/nsh/defconfig
index 872f8df0a..cfe99367c 100644
--- a/nuttx/configs/mcu123-lpc214x/nsh/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/nsh/defconfig
@@ -500,39 +500,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/mcu123-lpc214x/ostest/defconfig b/nuttx/configs/mcu123-lpc214x/ostest/defconfig
index 06609469e..0d4d5010b 100644
--- a/nuttx/configs/mcu123-lpc214x/ostest/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/ostest/defconfig
@@ -490,39 +490,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/mcu123-lpc214x/src/Makefile b/nuttx/configs/mcu123-lpc214x/src/Makefile
index a69beca5a..93071038b 100644
--- a/nuttx/configs/mcu123-lpc214x/src/Makefile
+++ b/nuttx/configs/mcu123-lpc214x/src/Makefile
@@ -51,8 +51,8 @@ CSRCS		= up_spi.c up_leds.c
 ifeq ($(CONFIG_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 COBJS		= $(CSRCS:.c=$(OBJEXT))
diff --git a/nuttx/configs/mcu123-lpc214x/src/up_usbstrg.c b/nuttx/configs/mcu123-lpc214x/src/up_usbmsc.c
index c34a76cc0..f25486d89 100755
--- a/nuttx/configs/mcu123-lpc214x/src/up_usbstrg.c
+++ b/nuttx/configs/mcu123-lpc214x/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/mcu123-lpc214x/src/up_usbstrg.c
+ * configs/mcu123-lpc214x/src/up_usbmsc.c
  *
  *   Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -54,8 +54,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* PORT and SLOT number probably depend on the board configuration */
@@ -96,48 +96,48 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct spi_dev_s *spi;
   int ret;
 
   /* Get the SPI port */
 
-  message("usbstrg_archinitialize: Initializing SPI port %d\n",
+  message("usbmsc_archinitialize: Initializing SPI port %d\n",
           LPC214X_MMCSDSPIPORTNO);
 
   spi = up_spiinitialize(LPC214X_MMCSDSPIPORTNO);
   if (!spi)
     {
-      message("usbstrg_archinitialize: Failed to initialize SPI port %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SPI port %d\n",
               LPC214X_MMCSDSPIPORTNO);
       return -ENODEV;
     }
 
-  message("usbstrg_archinitialize: Successfully initialized SPI port %d\n",
+  message("usbmsc_archinitialize: Successfully initialized SPI port %d\n",
           LPC214X_MMCSDSPIPORTNO);
 
   /* Bind the SPI port to the slot */
 
-  message("usbstrg_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
           LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO);
 
-  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, LPC214X_MMCSDSLOTNO, spi);
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, LPC214X_MMCSDSLOTNO, spi);
   if (ret < 0)
     {
-      message("usbstrg_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+      message("usbmsc_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
               LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO, ret);
       return ret;
     }
 
-  message("usbstrg_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
           LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO);
   return OK;
 }
diff --git a/nuttx/configs/mcu123-lpc214x/usbserial/defconfig b/nuttx/configs/mcu123-lpc214x/usbserial/defconfig
index 3a6edf786..8d241576a 100644
--- a/nuttx/configs/mcu123-lpc214x/usbserial/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/usbserial/defconfig
@@ -491,39 +491,39 @@ CONFIG_NXFLAT=n
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig b/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig
index bf0eaba32..98cf9b343 100644
--- a/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig
@@ -491,16 +491,16 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
 # CONFIG_USBSER_EPBULKOUT and CONFIG_USBSER_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
 # CONFIG_USBSER_NWRREQS and CONFIG_USBSER_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
@@ -508,22 +508,22 @@ CONFIG_USBSER_TXBUFSIZE=512
 #   The vendor ID code/string
 # CONFIG_USBSER_PRODUCTID and CONFIG_USBSER_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
@@ -615,46 +615,46 @@ CONFIG_EXAMPLES_USBSERIAL_ONLYBIG=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=y
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=y
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=y
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=y
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=y
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=y
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/micropendous3/hello/defconfig b/nuttx/configs/micropendous3/hello/defconfig
index 92d4f8993..818f7c5ad 100644
--- a/nuttx/configs/micropendous3/hello/defconfig
+++ b/nuttx/configs/micropendous3/hello/defconfig
@@ -572,40 +572,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -739,46 +739,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/mx1ads/ostest/defconfig b/nuttx/configs/mx1ads/ostest/defconfig
index 6c19b4a83..afc989ff4 100644
--- a/nuttx/configs/mx1ads/ostest/defconfig
+++ b/nuttx/configs/mx1ads/ostest/defconfig
@@ -471,36 +471,36 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ne64badge/ostest/defconfig b/nuttx/configs/ne64badge/ostest/defconfig
index d7eae861b..aa6c255db 100755
--- a/nuttx/configs/ne64badge/ostest/defconfig
+++ b/nuttx/configs/ne64badge/ostest/defconfig
@@ -593,40 +593,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ntosd-dm320/nettest/defconfig b/nuttx/configs/ntosd-dm320/nettest/defconfig
index d66cb8dd0..bd62fad04 100644
--- a/nuttx/configs/ntosd-dm320/nettest/defconfig
+++ b/nuttx/configs/ntosd-dm320/nettest/defconfig
@@ -464,39 +464,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ntosd-dm320/nsh/defconfig b/nuttx/configs/ntosd-dm320/nsh/defconfig
index f1f581513..635fe82f5 100644
--- a/nuttx/configs/ntosd-dm320/nsh/defconfig
+++ b/nuttx/configs/ntosd-dm320/nsh/defconfig
@@ -471,39 +471,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ntosd-dm320/ostest/defconfig b/nuttx/configs/ntosd-dm320/ostest/defconfig
index a50d13d09..7d60da4b3 100644
--- a/nuttx/configs/ntosd-dm320/ostest/defconfig
+++ b/nuttx/configs/ntosd-dm320/ostest/defconfig
@@ -459,36 +459,36 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ntosd-dm320/poll/defconfig b/nuttx/configs/ntosd-dm320/poll/defconfig
index 6f82c44ea..55a158eeb 100644
--- a/nuttx/configs/ntosd-dm320/poll/defconfig
+++ b/nuttx/configs/ntosd-dm320/poll/defconfig
@@ -464,39 +464,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/poll
diff --git a/nuttx/configs/ntosd-dm320/thttpd/defconfig b/nuttx/configs/ntosd-dm320/thttpd/defconfig
index 9c614beaa..6236bb6f6 100644
--- a/nuttx/configs/ntosd-dm320/thttpd/defconfig
+++ b/nuttx/configs/ntosd-dm320/thttpd/defconfig
@@ -512,39 +512,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # THTTPD settings
diff --git a/nuttx/configs/ntosd-dm320/udp/defconfig b/nuttx/configs/ntosd-dm320/udp/defconfig
index 643531c75..b45658827 100644
--- a/nuttx/configs/ntosd-dm320/udp/defconfig
+++ b/nuttx/configs/ntosd-dm320/udp/defconfig
@@ -463,39 +463,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/ntosd-dm320/uip/defconfig b/nuttx/configs/ntosd-dm320/uip/defconfig
index 9a747ebde..7f3447798 100644
--- a/nuttx/configs/ntosd-dm320/uip/defconfig
+++ b/nuttx/configs/ntosd-dm320/uip/defconfig
@@ -464,39 +464,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for netutils/httpd
diff --git a/nuttx/configs/nucleus2g/nsh/defconfig b/nuttx/configs/nucleus2g/nsh/defconfig
index a5308fd3a..7ea8d34a5 100755
--- a/nuttx/configs/nucleus2g/nsh/defconfig
+++ b/nuttx/configs/nucleus2g/nsh/defconfig
@@ -690,40 +690,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/nucleus2g/ostest/defconfig b/nuttx/configs/nucleus2g/ostest/defconfig
index 16003686e..455a0d7f8 100755
--- a/nuttx/configs/nucleus2g/ostest/defconfig
+++ b/nuttx/configs/nucleus2g/ostest/defconfig
@@ -638,40 +638,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/nucleus2g/src/Makefile b/nuttx/configs/nucleus2g/src/Makefile
index 303bd2b94..42a8b5cd2 100755
--- a/nuttx/configs/nucleus2g/src/Makefile
+++ b/nuttx/configs/nucleus2g/src/Makefile
@@ -42,8 +42,8 @@ CSRCS		= up_boot.c up_leds.c up_ssp.c up_outputs.c
 ifeq ($(CONFIG_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
diff --git a/nuttx/configs/nucleus2g/src/up_usbstrg.c b/nuttx/configs/nucleus2g/src/up_usbmsc.c
index 849611440..c3d074b54 100755
--- a/nuttx/configs/nucleus2g/src/up_usbstrg.c
+++ b/nuttx/configs/nucleus2g/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/nucleus2g/src/up_usbstrg.c
+ * configs/nucleus2g/src/up_usbmsc.c
  *
  *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -54,8 +54,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* PORT and SLOT number probably depend on the board configuration */
@@ -96,48 +96,48 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct spi_dev_s *spi;
   int ret;
 
   /* Get the SPI port */
 
-  message("usbstrg_archinitialize: Initializing SPI port %d\n",
+  message("usbmsc_archinitialize: Initializing SPI port %d\n",
           LPC17XX_MMCSDSPIPORTNO);
 
   spi = up_spiinitialize(LPC17XX_MMCSDSPIPORTNO);
   if (!spi)
     {
-      message("usbstrg_archinitialize: Failed to initialize SPI port %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SPI port %d\n",
               LPC17XX_MMCSDSPIPORTNO);
       return -ENODEV;
     }
 
-  message("usbstrg_archinitialize: Successfully initialized SPI port %d\n",
+  message("usbmsc_archinitialize: Successfully initialized SPI port %d\n",
           LPC17XX_MMCSDSPIPORTNO);
 
   /* Bind the SPI port to the slot */
 
-  message("usbstrg_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
           LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
 
-  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
   if (ret < 0)
     {
-      message("usbstrg_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+      message("usbmsc_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
               LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO, ret);
       return ret;
     }
 
-  message("usbstrg_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
           LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
   return OK;
 }
diff --git a/nuttx/configs/nucleus2g/usbserial/defconfig b/nuttx/configs/nucleus2g/usbserial/defconfig
index 4a4d1926f..5be30ccdc 100755
--- a/nuttx/configs/nucleus2g/usbserial/defconfig
+++ b/nuttx/configs/nucleus2g/usbserial/defconfig
@@ -639,40 +639,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -792,45 +792,45 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/nucleus2g/usbstorage/defconfig b/nuttx/configs/nucleus2g/usbstorage/defconfig
index 2ef1c287d..20bfd0811 100755
--- a/nuttx/configs/nucleus2g/usbstorage/defconfig
+++ b/nuttx/configs/nucleus2g/usbstorage/defconfig
@@ -639,40 +639,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -792,46 +792,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig b/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig
index 5ea9ca17f..aacd2db69 100755
--- a/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/ftpc/defconfig
@@ -759,40 +759,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # THTTPD settings
diff --git a/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig b/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig
index e26511fa8..6f6a50eb0 100755
--- a/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/hidkbd/defconfig
@@ -742,40 +742,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/olimex-lpc1766stk/nettest/defconfig b/nuttx/configs/olimex-lpc1766stk/nettest/defconfig
index 5ba14173d..8d99b6a5c 100755
--- a/nuttx/configs/olimex-lpc1766stk/nettest/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/nettest/defconfig
@@ -695,40 +695,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/olimex-lpc1766stk/nsh/defconfig b/nuttx/configs/olimex-lpc1766stk/nsh/defconfig
index 8dc17a0e2..7c183c44c 100755
--- a/nuttx/configs/olimex-lpc1766stk/nsh/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/nsh/defconfig
@@ -787,40 +787,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/olimex-lpc1766stk/nx/defconfig b/nuttx/configs/olimex-lpc1766stk/nx/defconfig
index 691d3a269..17bbfda44 100755
--- a/nuttx/configs/olimex-lpc1766stk/nx/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/nx/defconfig
@@ -705,40 +705,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
@@ -1039,46 +1039,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Settings for examples/nx
diff --git a/nuttx/configs/olimex-lpc1766stk/ostest/defconfig b/nuttx/configs/olimex-lpc1766stk/ostest/defconfig
index 8a324c171..f6192207d 100755
--- a/nuttx/configs/olimex-lpc1766stk/ostest/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/ostest/defconfig
@@ -686,40 +686,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -875,46 +875,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig b/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig
index ef7f29707..1da53655e 100755
--- a/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/slip-httpd/defconfig
@@ -712,40 +712,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # THTTPD settings
diff --git a/nuttx/configs/olimex-lpc1766stk/src/Makefile b/nuttx/configs/olimex-lpc1766stk/src/Makefile
index a2bdab303..1d7e049c6 100755
--- a/nuttx/configs/olimex-lpc1766stk/src/Makefile
+++ b/nuttx/configs/olimex-lpc1766stk/src/Makefile
@@ -44,8 +44,8 @@ ifeq ($(CONFIG_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 ifeq ($(CONFIG_NX_LCDDRIVER),y)
diff --git a/nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c b/nuttx/configs/olimex-lpc1766stk/src/up_usbmsc.c
index c524831fb..b92a9dc9e 100755
--- a/nuttx/configs/olimex-lpc1766stk/src/up_usbstrg.c
+++ b/nuttx/configs/olimex-lpc1766stk/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/olimex-lpc1766stk/src/up_usbstrg.c
+ * configs/olimex-lpc1766stk/src/up_usbmsc.c
  *
  *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -57,8 +57,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* PORT and SLOT number probably depend on the board configuration */
@@ -99,14 +99,14 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct spi_dev_s *spi;
   int ret;
@@ -117,35 +117,35 @@ int usbstrg_archinitialize(void)
 
   /* Get the SPI port */
 
-  message("usbstrg_archinitialize: Initializing SPI port %d\n",
+  message("usbmsc_archinitialize: Initializing SPI port %d\n",
           LPC17XX_MMCSDSPIPORTNO);
 
   spi = up_spiinitialize(LPC17XX_MMCSDSPIPORTNO);
   if (!spi)
     {
-      message("usbstrg_archinitialize: Failed to initialize SPI port %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SPI port %d\n",
               LPC17XX_MMCSDSPIPORTNO);
       ret = -ENODEV;
       goto errout;
     }
 
-  message("usbstrg_archinitialize: Successfully initialized SPI port %d\n",
+  message("usbmsc_archinitialize: Successfully initialized SPI port %d\n",
           LPC17XX_MMCSDSPIPORTNO);
 
   /* Bind the SPI port to the slot */
 
-  message("usbstrg_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
           LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
 
-  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, LPC17XX_MMCSDSLOTNO, spi);
   if (ret < 0)
     {
-      message("usbstrg_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+      message("usbmsc_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
               LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO, ret);
       goto errout;
     }
 
-  message("usbstrg_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+  message("usbmsc_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
           LPC17XX_MMCSDSPIPORTNO, LPC17XX_MMCSDSLOTNO);
   return OK;
 
diff --git a/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig b/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig
index 46328bdd4..4c74d561f 100755
--- a/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/thttpd/defconfig
@@ -704,40 +704,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # THTTPD settings
diff --git a/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig b/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig
index d880f0686..f644cc3ad 100755
--- a/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/usbserial/defconfig
@@ -687,40 +687,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -875,46 +875,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig b/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig
index d09a2576e..5b23fa431 100755
--- a/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/usbstorage/defconfig
@@ -687,40 +687,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -875,46 +875,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/olimex-lpc1766stk/wlan/defconfig b/nuttx/configs/olimex-lpc1766stk/wlan/defconfig
index 10068605e..203860ec1 100755
--- a/nuttx/configs/olimex-lpc1766stk/wlan/defconfig
+++ b/nuttx/configs/olimex-lpc1766stk/wlan/defconfig
@@ -740,40 +740,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/olimex-strp711/nettest/defconfig b/nuttx/configs/olimex-strp711/nettest/defconfig
index 684f20b00..24d516288 100755
--- a/nuttx/configs/olimex-strp711/nettest/defconfig
+++ b/nuttx/configs/olimex-strp711/nettest/defconfig
@@ -596,39 +596,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/nettest
diff --git a/nuttx/configs/olimex-strp711/nsh/defconfig b/nuttx/configs/olimex-strp711/nsh/defconfig
index 6ef24e489..5608c84de 100644
--- a/nuttx/configs/olimex-strp711/nsh/defconfig
+++ b/nuttx/configs/olimex-strp711/nsh/defconfig
@@ -553,39 +553,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/olimex-strp711/ostest/defconfig b/nuttx/configs/olimex-strp711/ostest/defconfig
index d30994270..a3439eb3d 100644
--- a/nuttx/configs/olimex-strp711/ostest/defconfig
+++ b/nuttx/configs/olimex-strp711/ostest/defconfig
@@ -553,39 +553,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/pcblogic-pic32mx/nsh/defconfig b/nuttx/configs/pcblogic-pic32mx/nsh/defconfig
index cb3735cd1..6592a3da2 100644
--- a/nuttx/configs/pcblogic-pic32mx/nsh/defconfig
+++ b/nuttx/configs/pcblogic-pic32mx/nsh/defconfig
@@ -705,40 +705,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -876,46 +876,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/pcblogic-pic32mx/ostest/defconfig b/nuttx/configs/pcblogic-pic32mx/ostest/defconfig
index 4a07a16d6..babad70e0 100644
--- a/nuttx/configs/pcblogic-pic32mx/ostest/defconfig
+++ b/nuttx/configs/pcblogic-pic32mx/ostest/defconfig
@@ -650,40 +650,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -817,46 +817,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/pic32-starterkit/ostest/defconfig b/nuttx/configs/pic32-starterkit/ostest/defconfig
index 44f28cb42..a9df26cb6 100644
--- a/nuttx/configs/pic32-starterkit/ostest/defconfig
+++ b/nuttx/configs/pic32-starterkit/ostest/defconfig
@@ -737,40 +737,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -904,46 +904,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/sam3u-ek/knsh/defconfig b/nuttx/configs/sam3u-ek/knsh/defconfig
index 5378ec024..20a443a8c 100755
--- a/nuttx/configs/sam3u-ek/knsh/defconfig
+++ b/nuttx/configs/sam3u-ek/knsh/defconfig
@@ -622,40 +622,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/sam3u-ek/nsh/defconfig b/nuttx/configs/sam3u-ek/nsh/defconfig
index 8cbbbdcb1..1843829be 100755
--- a/nuttx/configs/sam3u-ek/nsh/defconfig
+++ b/nuttx/configs/sam3u-ek/nsh/defconfig
@@ -592,40 +592,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/sam3u-ek/nx/defconfig b/nuttx/configs/sam3u-ek/nx/defconfig
index c50d242e1..a1bd142ee 100755
--- a/nuttx/configs/sam3u-ek/nx/defconfig
+++ b/nuttx/configs/sam3u-ek/nx/defconfig
@@ -601,40 +601,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/sam3u-ek/ostest/defconfig b/nuttx/configs/sam3u-ek/ostest/defconfig
index cf4f15024..9be22a3d0 100755
--- a/nuttx/configs/sam3u-ek/ostest/defconfig
+++ b/nuttx/configs/sam3u-ek/ostest/defconfig
@@ -590,40 +590,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/sam3u-ek/src/Makefile b/nuttx/configs/sam3u-ek/src/Makefile
index 6c575e2f3..61826cc4a 100644
--- a/nuttx/configs/sam3u-ek/src/Makefile
+++ b/nuttx/configs/sam3u-ek/src/Makefile
@@ -47,8 +47,8 @@ endif
 ifeq ($(CONFIG_SAM3U_HSMCI),y)
 CSRCS		+= up_mmcsd.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 ifeq ($(CONFIG_INPUT_ADS7843E),y)
 CSRCS		+= up_touchscreen.c
diff --git a/nuttx/configs/sam3u-ek/src/up_usbstrg.c b/nuttx/configs/sam3u-ek/src/up_usbmsc.c
index e758e3b91..8f2e4b254 100644
--- a/nuttx/configs/sam3u-ek/src/up_usbstrg.c
+++ b/nuttx/configs/sam3u-ek/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/sam3u-ek/src/up_usbstrg.c
+ * configs/sam3u-ek/src/up_usbmsc.c
  *
  *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -58,8 +58,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* SLOT number(s) could depend on the board configuration */
@@ -97,47 +97,47 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct sdio_dev_s *sdio;
   int ret;
 
   /* First, get an instance of the SDIO interface */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Initializing SDIO slot %d\n",
           SAM3U_MMCSDSLOTNO);
 
   sdio = sdio_initialize(SAM3U_MMCSDSLOTNO);
   if (!sdio)
     {
-      message("usbstrg_archinitialize: Failed to initialize SDIO slot %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SDIO slot %d\n",
               SAM3U_MMCSDSLOTNO);
       return -ENODEV;
     }
 
   /* Now bind the SPI interface to the MMC/SD driver */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Bind SDIO to the MMC/SD driver, minor=%d\n",
-          CONFIG_EXAMPLES_USBSTRG_DEVMINOR1);
+          CONFIG_EXAMPLES_USBMSC_DEVMINOR1);
 
-  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, sdio);
+  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, sdio);
   if (ret != OK)
     {
-      message("usbstrg_archinitialize: "
+      message("usbmsc_archinitialize: "
               "Failed to bind SDIO to the MMC/SD driver: %d\n",
               ret);
       return ret;
     }
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Successfully bound SDIO to the MMC/SD driver\n");
   
   /* Then let's guess and say that there is a card in the slot.  I need to check to
diff --git a/nuttx/configs/sam3u-ek/touchscreen/defconfig b/nuttx/configs/sam3u-ek/touchscreen/defconfig
index fb5868f58..1ccd55531 100755
--- a/nuttx/configs/sam3u-ek/touchscreen/defconfig
+++ b/nuttx/configs/sam3u-ek/touchscreen/defconfig
@@ -633,40 +633,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/skp16c26/ostest/defconfig b/nuttx/configs/skp16c26/ostest/defconfig
index cef59192b..dd3690bf8 100644
--- a/nuttx/configs/skp16c26/ostest/defconfig
+++ b/nuttx/configs/skp16c26/ostest/defconfig
@@ -462,36 +462,36 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=1
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=1
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/stm3210e-eval/README.txt b/nuttx/configs/stm3210e-eval/README.txt
index c9dab1737..1a38bac82 100755
--- a/nuttx/configs/stm3210e-eval/README.txt
+++ b/nuttx/configs/stm3210e-eval/README.txt
@@ -676,7 +676,7 @@ Where <subdir> is one of the following:
         long file names in the FAT file system.  Please refer to the
         details in the top-level COPYING file.  Please do not use FAT
         long file name unless you are familiar with these patent issues.
-    (5) When built as an NSH add-on command (CONFIG_EXAMPLES_USBSTRG_BUILTIN=y),
+    (5) When built as an NSH add-on command (CONFIG_EXAMPLES_USBMSC_BUILTIN=y),
         Caution should be used to assure that the SD drive is not in use when
         the USB storage device is configured.  Specifically, the SD driver
         should be unmounted like:
diff --git a/nuttx/configs/stm3210e-eval/RIDE/defconfig b/nuttx/configs/stm3210e-eval/RIDE/defconfig
index f47f40bf3..8922e584e 100755
--- a/nuttx/configs/stm3210e-eval/RIDE/defconfig
+++ b/nuttx/configs/stm3210e-eval/RIDE/defconfig
@@ -685,40 +685,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/stm3210e-eval/buttons/defconfig b/nuttx/configs/stm3210e-eval/buttons/defconfig
index 7a1e4d78d..d311435e3 100644
--- a/nuttx/configs/stm3210e-eval/buttons/defconfig
+++ b/nuttx/configs/stm3210e-eval/buttons/defconfig
@@ -698,40 +698,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/stm3210e-eval/nsh/defconfig b/nuttx/configs/stm3210e-eval/nsh/defconfig
index 8e1e1f848..6b32d2094 100755
--- a/nuttx/configs/stm3210e-eval/nsh/defconfig
+++ b/nuttx/configs/stm3210e-eval/nsh/defconfig
@@ -701,40 +701,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/stm3210e-eval/nsh2/defconfig b/nuttx/configs/stm3210e-eval/nsh2/defconfig
index 9a3c62ecc..48081b0d3 100644
--- a/nuttx/configs/stm3210e-eval/nsh2/defconfig
+++ b/nuttx/configs/stm3210e-eval/nsh2/defconfig
@@ -805,44 +805,44 @@ CONFIG_CDCSER_COMPOSITE=y
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_COMPOSITE
+# CONFIG_USBMSC_COMPOSITE
 #   Configure the mass storage driver as part of a composite driver
 #   (only if CONFIG_USBDEV_COMPOSITE is also defined)
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_COMPOSITE=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_COMPOSITE=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
@@ -1293,54 +1293,54 @@ CONFIG_EXAMPLES_NXLINES_EXTERNINIT=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_BUILTIN
+# CONFIG_EXAMPLES_USBMSC_BUILTIN
 #   This example can be built as two NSH "built-in" commands if this option
 #   is selection: 'msconn' will connect the USB mass storage device; 'msdis'
 #   will disconnect the USB storage device.
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEBUGMM
+#  CONFIG_EXAMPLES_USBMSC_DEBUGMM
 #    Enables some debug tests to check for memory usage and memory leaks.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_BUILTIN=y
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_DEBUGMM=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_BUILTIN=y
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_DEBUGMM=n
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/stm3210e-eval/nx/defconfig b/nuttx/configs/stm3210e-eval/nx/defconfig
index 94d843fb9..9970b27a5 100644
--- a/nuttx/configs/stm3210e-eval/nx/defconfig
+++ b/nuttx/configs/stm3210e-eval/nx/defconfig
@@ -717,40 +717,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm3210e-eval/nxlines/defconfig b/nuttx/configs/stm3210e-eval/nxlines/defconfig
index 0ed46b6ad..f21b4fbef 100644
--- a/nuttx/configs/stm3210e-eval/nxlines/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxlines/defconfig
@@ -717,40 +717,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm3210e-eval/nxtext/defconfig b/nuttx/configs/stm3210e-eval/nxtext/defconfig
index e48a147c9..036c73ac3 100644
--- a/nuttx/configs/stm3210e-eval/nxtext/defconfig
+++ b/nuttx/configs/stm3210e-eval/nxtext/defconfig
@@ -717,40 +717,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm3210e-eval/ostest/defconfig b/nuttx/configs/stm3210e-eval/ostest/defconfig
index 14a3542db..ca1ea021a 100755
--- a/nuttx/configs/stm3210e-eval/ostest/defconfig
+++ b/nuttx/configs/stm3210e-eval/ostest/defconfig
@@ -721,40 +721,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/stm3210e-eval/src/Makefile b/nuttx/configs/stm3210e-eval/src/Makefile
index e949e7208..7c93a2d32 100644
--- a/nuttx/configs/stm3210e-eval/src/Makefile
+++ b/nuttx/configs/stm3210e-eval/src/Makefile
@@ -56,8 +56,8 @@ ifeq ($(CONFIG_ADC),y)
 CSRCS		+= up_adc.c
 endif
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 ifeq ($(CONFIG_I2C_LM75),y)
diff --git a/nuttx/configs/stm3210e-eval/src/up_usbstrg.c b/nuttx/configs/stm3210e-eval/src/up_usbmsc.c
index f7ba205cc..4f788579c 100644
--- a/nuttx/configs/stm3210e-eval/src/up_usbstrg.c
+++ b/nuttx/configs/stm3210e-eval/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/stm3210e-eval/src/up_usbstrg.c
+ * configs/stm3210e-eval/src/up_usbmsc.c
  *
  *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -60,8 +60,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* SLOT number(s) could depend on the board configuration */
@@ -100,53 +100,53 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
-  /* If examples/usbstrg is built as an NSH command, then SD slot should
+  /* If examples/usbmsc is built as an NSH command, then SD slot should
    * already have been initized in nsh_archinitialize() (see up_nsh.c).  In
    * this case, there is nothing further to be done here.
    */
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_BUILTIN
+#ifndef CONFIG_EXAMPLES_USBMSC_BUILTIN
   FAR struct sdio_dev_s *sdio;
   int ret;
 
   /* First, get an instance of the SDIO interface */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Initializing SDIO slot %d\n",
           STM32_MMCSDSLOTNO);
 
   sdio = sdio_initialize(STM32_MMCSDSLOTNO);
   if (!sdio)
     {
-      message("usbstrg_archinitialize: Failed to initialize SDIO slot %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SDIO slot %d\n",
               STM32_MMCSDSLOTNO);
       return -ENODEV;
     }
 
   /* Now bind the SDIO interface to the MMC/SD driver */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Bind SDIO to the MMC/SD driver, minor=%d\n",
-          CONFIG_EXAMPLES_USBSTRG_DEVMINOR1);
+          CONFIG_EXAMPLES_USBMSC_DEVMINOR1);
 
-  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, sdio);
+  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, sdio);
   if (ret != OK)
     {
-      message("usbstrg_archinitialize: "
+      message("usbmsc_archinitialize: "
               "Failed to bind SDIO to the MMC/SD driver: %d\n",
               ret);
       return ret;
     }
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Successfully bound SDIO to the MMC/SD driver\n");
   
   /* Then let's guess and say that there is a card in the slot.  I need to check to
@@ -156,7 +156,7 @@ int usbstrg_archinitialize(void)
 
    sdio_mediachange(sdio, true);
 
-#endif /* CONFIG_EXAMPLES_USBSTRG_BUILTIN */
+#endif /* CONFIG_EXAMPLES_USBMSC_BUILTIN */
 
    return OK;
 }
diff --git a/nuttx/configs/stm3210e-eval/usbserial/defconfig b/nuttx/configs/stm3210e-eval/usbserial/defconfig
index 02ff773ad..a6ebfe756 100755
--- a/nuttx/configs/stm3210e-eval/usbserial/defconfig
+++ b/nuttx/configs/stm3210e-eval/usbserial/defconfig
@@ -771,44 +771,44 @@ CONFIG_CDCSER_COMPOSITE=y
 
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_COMPOSITE
+# CONFIG_USBMSC_COMPOSITE
 #   Configure the mass storage driver as part of a composite driver
 #   (only if CONFIG_USBDEV_COMPOSITE is also defined)
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_COMPOSITE=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_COMPOSITE=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/stm3210e-eval/usbstorage/defconfig b/nuttx/configs/stm3210e-eval/usbstorage/defconfig
index 9d4557ab9..ad082b9d6 100755
--- a/nuttx/configs/stm3210e-eval/usbstorage/defconfig
+++ b/nuttx/configs/stm3210e-eval/usbstorage/defconfig
@@ -708,40 +708,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -868,54 +868,54 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_BUILTIN
+# CONFIG_EXAMPLES_USBMSC_BUILTIN
 #   This example can be built as two NSH "built-in" commands if this option
 #   is selection: 'msconn' will connect the USB mass storage device; 'msdis'
 #   will disconnect the USB storage device.
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEBUGMM
+#  CONFIG_EXAMPLES_USBMSC_DEBUGMM
 #    Enables some debug tests to check for memory usage and memory leaks.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_BUILTIN=n
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_DEBUGMM=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_BUILTIN=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_DEBUGMM=n
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/stm3240g-eval/dhcpd/defconfig b/nuttx/configs/stm3240g-eval/dhcpd/defconfig
index f42eed44e..0a54d9bfb 100755
--- a/nuttx/configs/stm3240g-eval/dhcpd/defconfig
+++ b/nuttx/configs/stm3240g-eval/dhcpd/defconfig
@@ -893,40 +893,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm3240g-eval/nettest/defconfig b/nuttx/configs/stm3240g-eval/nettest/defconfig
index c608c7743..4c1e89205 100755
--- a/nuttx/configs/stm3240g-eval/nettest/defconfig
+++ b/nuttx/configs/stm3240g-eval/nettest/defconfig
@@ -893,40 +893,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm3240g-eval/nsh/defconfig b/nuttx/configs/stm3240g-eval/nsh/defconfig
index c44ac4165..202d3e34c 100755
--- a/nuttx/configs/stm3240g-eval/nsh/defconfig
+++ b/nuttx/configs/stm3240g-eval/nsh/defconfig
@@ -938,40 +938,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm3240g-eval/ostest/defconfig b/nuttx/configs/stm3240g-eval/ostest/defconfig
index 32e64d7d8..502dacde7 100755
--- a/nuttx/configs/stm3240g-eval/ostest/defconfig
+++ b/nuttx/configs/stm3240g-eval/ostest/defconfig
@@ -855,40 +855,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
@@ -1421,54 +1421,54 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_BUILTIN
+# CONFIG_EXAMPLES_USBMSC_BUILTIN
 #   This example can be built as two NSH "built-in" commands if this option
 #   is selection: 'msconn' will connect the USB mass storage device; 'msdis'
 #   will disconnect the USB storage device.
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEBUGMM
+#  CONFIG_EXAMPLES_USBMSC_DEBUGMM
 #    Enables some debug tests to check for memory usage and memory leaks.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_BUILTIN=y
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_DEBUGMM=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_BUILTIN=y
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_DEBUGMM=n
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/stm32f4discovery/nsh/defconfig b/nuttx/configs/stm32f4discovery/nsh/defconfig
index abf1b8bbc..6b46e992e 100755
--- a/nuttx/configs/stm32f4discovery/nsh/defconfig
+++ b/nuttx/configs/stm32f4discovery/nsh/defconfig
@@ -892,40 +892,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
diff --git a/nuttx/configs/stm32f4discovery/ostest/defconfig b/nuttx/configs/stm32f4discovery/ostest/defconfig
index 57cd9129f..2aed2d640 100755
--- a/nuttx/configs/stm32f4discovery/ostest/defconfig
+++ b/nuttx/configs/stm32f4discovery/ostest/defconfig
@@ -845,40 +845,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Graphics related configuration settings
@@ -1392,54 +1392,54 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_BUILTIN
+# CONFIG_EXAMPLES_USBMSC_BUILTIN
 #   This example can be built as two NSH "built-in" commands if this option
 #   is selection: 'msconn' will connect the USB mass storage device; 'msdis'
 #   will disconnect the USB storage device.
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEBUGMM
+#  CONFIG_EXAMPLES_USBMSC_DEBUGMM
 #    Enables some debug tests to check for memory usage and memory leaks.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_BUILTIN=n
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_DEBUGMM=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_BUILTIN=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_DEBUGMM=n
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/sure-pic32mx/nsh/defconfig b/nuttx/configs/sure-pic32mx/nsh/defconfig
index c4608022b..1b214cee6 100644
--- a/nuttx/configs/sure-pic32mx/nsh/defconfig
+++ b/nuttx/configs/sure-pic32mx/nsh/defconfig
@@ -778,40 +778,40 @@ CONFIG_CDCSER=n
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -949,46 +949,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Settings for examples/usbterm
diff --git a/nuttx/configs/sure-pic32mx/ostest/defconfig b/nuttx/configs/sure-pic32mx/ostest/defconfig
index 0f9a6335c..3e9682100 100644
--- a/nuttx/configs/sure-pic32mx/ostest/defconfig
+++ b/nuttx/configs/sure-pic32mx/ostest/defconfig
@@ -650,40 +650,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -817,46 +817,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/teensy/hello/defconfig b/nuttx/configs/teensy/hello/defconfig
index de820d7fb..22eb080c4 100644
--- a/nuttx/configs/teensy/hello/defconfig
+++ b/nuttx/configs/teensy/hello/defconfig
@@ -572,40 +572,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -739,46 +739,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/teensy/nsh/defconfig b/nuttx/configs/teensy/nsh/defconfig
index 259186552..40bd7d721 100755
--- a/nuttx/configs/teensy/nsh/defconfig
+++ b/nuttx/configs/teensy/nsh/defconfig
@@ -601,40 +601,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/teensy/src/Makefile b/nuttx/configs/teensy/src/Makefile
index e27f02663..36e887b74 100755
--- a/nuttx/configs/teensy/src/Makefile
+++ b/nuttx/configs/teensy/src/Makefile
@@ -41,8 +41,8 @@ CSRCS		= up_boot.c
 ifeq ($(CONFIG_ARCH_LEDS),y)
 CSRCS		+= up_leds.c
 endif
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 ifeq ($(CONFIG_AVR_SPI),y)
 CSRCS		+= up_spi.c
diff --git a/nuttx/configs/teensy/src/up_usbstrg.c b/nuttx/configs/teensy/src/up_usbmsc.c
index acc8cb071..7eb3307c6 100755
--- a/nuttx/configs/teensy/src/up_usbstrg.c
+++ b/nuttx/configs/teensy/src/up_usbmsc.c
@@ -1,6 +1,6 @@
 /****************************************************************************
- * configs/teensy/src/up_usbstrg.c
- * arch/arm/src/board/up_usbstrg.c
+ * configs/teensy/src/up_usbmsc.c
+ * arch/arm/src/board/up_usbmsc.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -58,8 +58,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* PORT and SLOT number probably depend on the board configuration */
@@ -99,14 +99,14 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct spi_dev_s *spi;
   int ret;
@@ -126,7 +126,7 @@ int usbstrg_archinitialize(void)
 
   message("Binding SPI port to MMC/SD slot\n");
 
-  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, AVR_MMCSDSLOTNO, spi);
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, AVR_MMCSDSLOTNO, spi);
   if (ret < 0)
     {
       message("mmcsd_spislotinitialize failed: %d\n", ret);
diff --git a/nuttx/configs/teensy/usbstorage/defconfig b/nuttx/configs/teensy/usbstorage/defconfig
index 591eaf191..75d92a06c 100755
--- a/nuttx/configs/teensy/usbstorage/defconfig
+++ b/nuttx/configs/teensy/usbstorage/defconfig
@@ -605,40 +605,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=y
-CONFIG_USBSTRG_EP0MAXPACKET=8
-CONFIG_USBSTRG_EPBULKOUT=1
-CONFIG_USBSTRG_EPBULKIN=2
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=64
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=y
+CONFIG_USBMSC_EP0MAXPACKET=8
+CONFIG_USBMSC_EPBULKOUT=1
+CONFIG_USBMSC_EPBULKIN=2
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=64
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
@@ -771,46 +771,46 @@ CONFIG_EXAMPLES_USBSERIAL_TRACEINTERRUPTS=n
 #
 # Settings for examples/usbstorage
 #
-# CONFIG_EXAMPLES_USBSTRG_NLUNS
+# CONFIG_EXAMPLES_USBMSC_NLUNS
 #    Defines the number of logical units (LUNs) exported by the USB storage
 #    driver.  Each LUN corresponds to one exported block driver (or partition
 #    of a block driver).  May be 1, 2, or 3.  Default is 1.
-# CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+# CONFIG_EXAMPLES_USBMSC_DEVMINOR1
 #    The minor device number of the block driver for the first LUN. For
 #    example, N in /dev/mmcsdN.  Used for registering the block driver. Default
 #    is zero.
-# CONFIG_EXAMPLES_USBSTRG_DEVPATH1
+# CONFIG_EXAMPLES_USBMSC_DEVPATH1
 #    The full path to the registered block driver.  Default is "/dev/mmcsd0"
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR2 and CONFIG_EXAMPLES_USBSTRG_DEVPATH2
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR2 and CONFIG_EXAMPLES_USBMSC_DEVPATH2
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 2 or 3.  No defaults.
-#  CONFIG_EXAMPLES_USBSTRG_DEVMINOR3 and CONFIG_EXAMPLES_USBSTRG_DEVPATH3
-#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBSTRG_NLUNS
+#  CONFIG_EXAMPLES_USBMSC_DEVMINOR3 and CONFIG_EXAMPLES_USBMSC_DEVPATH3
+#    Similar parameters that would have to be provided if CONFIG_EXAMPLES_USBMSC_NLUNS
 #    is 3.  No defaults.
 #
 #  If CONFIG_USBDEV_TRACE is enabled (or CONFIG_DEBUG and CONFIG_DEBUG_USB), then
 #  the example code will also manage the USB trace output.  The amount of trace output
 #  can be controlled using:
 #
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINIT
+#  CONFIG_EXAMPLES_USBMSC_TRACEINIT
 #    Show initialization events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECLASS
+#  CONFIG_EXAMPLES_USBMSC_TRACECLASS
 #    Show class driver events
-#  CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS
+#  CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS
 #    Show data transfer events
-#  CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER
+#  CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER
 #    Show controller events
-#  CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS
+#  CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS
 #    Show interrupt-related events.
 #
-CONFIG_EXAMPLES_USBSTRG_NLUNS=1
-CONFIG_EXAMPLES_USBSTRG_DEVMINOR1=0
-CONFIG_EXAMPLES_USBSTRG_DEVPATH1="/dev/mmcsd0"
-CONFIG_EXAMPLES_USBSTRG_TRACEINIT=n
-CONFIG_EXAMPLES_USBSTRG_TRACECLASS=n
-CONFIG_EXAMPLES_USBSTRG_TRACETRANSFERS=n
-CONFIG_EXAMPLES_USBSTRG_TRACECONTROLLER=n
-CONFIG_EXAMPLES_USBSTRG_TRACEINTERRUPTS=n
+CONFIG_EXAMPLES_USBMSC_NLUNS=1
+CONFIG_EXAMPLES_USBMSC_DEVMINOR1=0
+CONFIG_EXAMPLES_USBMSC_DEVPATH1="/dev/mmcsd0"
+CONFIG_EXAMPLES_USBMSC_TRACEINIT=n
+CONFIG_EXAMPLES_USBMSC_TRACECLASS=n
+CONFIG_EXAMPLES_USBMSC_TRACETRANSFERS=n
+CONFIG_EXAMPLES_USBMSC_TRACECONTROLLER=n
+CONFIG_EXAMPLES_USBMSC_TRACEINTERRUPTS=n
 
 #
 # Stack and heap information
diff --git a/nuttx/configs/twr-k60n512/nsh/defconfig b/nuttx/configs/twr-k60n512/nsh/defconfig
index dda77f50f..c5fcce6c6 100644
--- a/nuttx/configs/twr-k60n512/nsh/defconfig
+++ b/nuttx/configs/twr-k60n512/nsh/defconfig
@@ -735,40 +735,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/twr-k60n512/ostest/defconfig b/nuttx/configs/twr-k60n512/ostest/defconfig
index 2c3f84536..7b1008172 100644
--- a/nuttx/configs/twr-k60n512/ostest/defconfig
+++ b/nuttx/configs/twr-k60n512/ostest/defconfig
@@ -733,40 +733,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/twr-k60n512/src/Makefile b/nuttx/configs/twr-k60n512/src/Makefile
index 4a5e743b7..18a9c118f 100644
--- a/nuttx/configs/twr-k60n512/src/Makefile
+++ b/nuttx/configs/twr-k60n512/src/Makefile
@@ -58,8 +58,8 @@ ifeq ($(CONFIG_USBDEV),y)
 CSRCS		+= up_usbdev.c
 endif
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= up_usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= up_usbmsc.c
 endif
 
 COBJS		= $(CSRCS:.c=$(OBJEXT))
diff --git a/nuttx/configs/twr-k60n512/src/up_usbstrg.c b/nuttx/configs/twr-k60n512/src/up_usbmsc.c
index cdc373205..bebedd02f 100644
--- a/nuttx/configs/twr-k60n512/src/up_usbstrg.c
+++ b/nuttx/configs/twr-k60n512/src/up_usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/twr-k60n512/src/up_usbstrg.c
+ * configs/twr-k60n512/src/up_usbmsc.c
  *
  *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -56,8 +56,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* SLOT number(s) could depend on the board configuration */
@@ -96,23 +96,23 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
-  /* If examples/usbstrg is built as an NSH command, then SD slot should
+  /* If examples/usbmsc is built as an NSH command, then SD slot should
    * already have been initized in nsh_archinitialize() (see up_nsh.c).  In
    * this case, there is nothing further to be done here.
    */
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_BUILTIN
+#ifndef CONFIG_EXAMPLES_USBMSC_BUILTIN
 #  warning "Missing logic"
-#endif /* CONFIG_EXAMPLES_USBSTRG_BUILTIN */
+#endif /* CONFIG_EXAMPLES_USBMSC_BUILTIN */
 
    return OK;
 }
diff --git a/nuttx/configs/us7032evb1/nsh/defconfig b/nuttx/configs/us7032evb1/nsh/defconfig
index eab7e1ca6..31ac3ecca 100644
--- a/nuttx/configs/us7032evb1/nsh/defconfig
+++ b/nuttx/configs/us7032evb1/nsh/defconfig
@@ -474,39 +474,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/us7032evb1/ostest/defconfig b/nuttx/configs/us7032evb1/ostest/defconfig
index 81f205372..bc9c20525 100644
--- a/nuttx/configs/us7032evb1/ostest/defconfig
+++ b/nuttx/configs/us7032evb1/ostest/defconfig
@@ -474,39 +474,39 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/ostest
diff --git a/nuttx/configs/vsn/nsh/defconfig b/nuttx/configs/vsn/nsh/defconfig
index 7c9a4ce68..9d21c4b86 100755
--- a/nuttx/configs/vsn/nsh/defconfig
+++ b/nuttx/configs/vsn/nsh/defconfig
@@ -699,40 +699,40 @@ CONFIG_USBSER_TXBUFSIZE=512
 #
 # USB Storage Device Configuration
 #
-# CONFIG_USBSTRG
+# CONFIG_USBMSC
 #   Enable compilation of the USB storage driver
-# CONFIG_USBSTRG_EP0MAXPACKET
+# CONFIG_USBMSC_EP0MAXPACKET
 #   Max packet size for endpoint 0
-# CONFIG_USBSTRG_EPBULKOUT and CONFIG_USBSTRG_EPBULKIN
+# CONFIG_USBMSC_EPBULKOUT and CONFIG_USBMSC_EPBULKIN
 #   The logical 7-bit address of a hardware endpoints that support
 #   bulk OUT and IN operations
-# CONFIG_USBSTRG_NWRREQS and CONFIG_USBSTRG_NRDREQS
+# CONFIG_USBMSC_NWRREQS and CONFIG_USBMSC_NRDREQS
 #   The number of write/read requests that can be in flight
-# CONFIG_USBSTRG_BULKINREQLEN and CONFIG_USBSTRG_BULKOUTREQLEN
+# CONFIG_USBMSC_BULKINREQLEN and CONFIG_USBMSC_BULKOUTREQLEN
 #   The size of the buffer in each write/read request.  This
 #   value needs to be at least as large as the endpoint
 #   maxpacket and ideally as large as a block device sector.
-# CONFIG_USBSTRG_VENDORID and CONFIG_USBSTRG_VENDORSTR
+# CONFIG_USBMSC_VENDORID and CONFIG_USBMSC_VENDORSTR
 #   The vendor ID code/string
-# CONFIG_USBSTRG_PRODUCTID and CONFIG_USBSTRG_PRODUCTSTR
+# CONFIG_USBMSC_PRODUCTID and CONFIG_USBMSC_PRODUCTSTR
 #   The product ID code/string
-# CONFIG_USBSTRG_REMOVABLE
+# CONFIG_USBMSC_REMOVABLE
 #   Select if the media is removable
 #
-CONFIG_USBSTRG=n
-CONFIG_USBSTRG_EP0MAXPACKET=64
-CONFIG_USBSTRG_EPBULKOUT=2
-CONFIG_USBSTRG_EPBULKIN=5
-CONFIG_USBSTRG_NRDREQS=2
-CONFIG_USBSTRG_NWRREQS=2
-CONFIG_USBSTRG_BULKINREQLEN=256
-CONFIG_USBSTRG_BULKOUTREQLEN=256
-CONFIG_USBSTRG_VENDORID=0x584e
-CONFIG_USBSTRG_VENDORSTR="NuttX"
-CONFIG_USBSTRG_PRODUCTID=0x5342
-CONFIG_USBSTRG_PRODUCTSTR="USBdev Storage"
-CONFIG_USBSTRG_VERSIONNO=0x0399
-CONFIG_USBSTRG_REMOVABLE=y
+CONFIG_USBMSC=n
+CONFIG_USBMSC_EP0MAXPACKET=64
+CONFIG_USBMSC_EPBULKOUT=2
+CONFIG_USBMSC_EPBULKIN=5
+CONFIG_USBMSC_NRDREQS=2
+CONFIG_USBMSC_NWRREQS=2
+CONFIG_USBMSC_BULKINREQLEN=256
+CONFIG_USBMSC_BULKOUTREQLEN=256
+CONFIG_USBMSC_VENDORID=0x584e
+CONFIG_USBMSC_VENDORSTR="NuttX"
+CONFIG_USBMSC_PRODUCTID=0x5342
+CONFIG_USBMSC_PRODUCTSTR="USBdev Storage"
+CONFIG_USBMSC_VERSIONNO=0x0399
+CONFIG_USBMSC_REMOVABLE=y
 
 #
 # Settings for examples/uip
diff --git a/nuttx/configs/vsn/src/Makefile b/nuttx/configs/vsn/src/Makefile
index ec360f8f6..03559cb4a 100644
--- a/nuttx/configs/vsn/src/Makefile
+++ b/nuttx/configs/vsn/src/Makefile
@@ -55,8 +55,8 @@ AOBJS		= $(ASRCS:.S=$(OBJEXT))
 CSRCS		= sysclock.c boot.c leds.c buttons.c spi.c \
 			  usbdev.c power.c muxbus.c sif.c
 
-ifeq ($(CONFIG_USBSTRG),y)
-CSRCS		+= usbstrg.c
+ifeq ($(CONFIG_USBMSC),y)
+CSRCS		+= usbmsc.c
 endif
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
diff --git a/nuttx/configs/vsn/src/usbstrg.c b/nuttx/configs/vsn/src/usbmsc.c
index 0942ae8e5..264ae77a6 100644
--- a/nuttx/configs/vsn/src/usbstrg.c
+++ b/nuttx/configs/vsn/src/usbmsc.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/vsn/src/usbstrg.c
+ * configs/vsn/src/usbmsc.c
  *
  *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
  *   Copyright (c) 2011 Uros Platise. All rights reserved.
@@ -61,8 +61,8 @@
 
 /* Configuration ************************************************************/
 
-#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
-#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
 #endif
 
 /* SLOT number(s) could depend on the board configuration */
@@ -101,47 +101,47 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: usbstrg_archinitialize
+ * Name: usbmsc_archinitialize
  *
  * Description:
  *   Perform architecture specific initialization
  *
  ****************************************************************************/
 
-int usbstrg_archinitialize(void)
+int usbmsc_archinitialize(void)
 {
   FAR struct sdio_dev_s *sdio;
   int ret;
 
   /* First, get an instance of the SDIO interface */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Initializing SDIO slot %d\n",
           STM32_MMCSDSLOTNO);
 
   sdio = sdio_initialize(STM32_MMCSDSLOTNO);
   if (!sdio)
     {
-      message("usbstrg_archinitialize: Failed to initialize SDIO slot %d\n",
+      message("usbmsc_archinitialize: Failed to initialize SDIO slot %d\n",
               STM32_MMCSDSLOTNO);
       return -ENODEV;
     }
 
   /* Now bind the SPI interface to the MMC/SD driver */
 
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Bind SDIO to the MMC/SD driver, minor=%d\n",
-          CONFIG_EXAMPLES_USBSTRG_DEVMINOR1);
+          CONFIG_EXAMPLES_USBMSC_DEVMINOR1);
 
-  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, sdio);
+  ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_USBMSC_DEVMINOR1, sdio);
   if (ret != OK)
     {
-      message("usbstrg_archinitialize: "
+      message("usbmsc_archinitialize: "
               "Failed to bind SDIO to the MMC/SD driver: %d\n",
               ret);
       return ret;
     }
-  message("usbstrg_archinitialize: "
+  message("usbmsc_archinitialize: "
           "Successfully bound SDIO to the MMC/SD driver\n");
   
   /* Then let's guess and say that there is a card in the slot.  I need to check to