More trailing whilespace removal

19 files changed, 64 insertions, 64 deletions

diff --git a/nuttx/arch/arm/src/lpc17xx/Kconfig b/nuttx/arch/arm/src/lpc17xx/Kconfig
index 20b4b37e6..d1e76062d 100644
--- a/nuttx/arch/arm/src/lpc17xx/Kconfig
+++ b/nuttx/arch/arm/src/lpc17xx/Kconfig
@@ -493,7 +493,7 @@ config ADC_CHANLIST
 config ADC_NCHANNELS
 	int "ADC0 number of channels"
 	depends on ADC_CHANLIST
-	default 0  
+	default 0
 	---help---
 		If ADC_CHANLIST is enabled, then the platform specific code
 		must do two things:  (1) define ADC_NCHANNELS in the configuration
@@ -606,7 +606,7 @@ config SDIO_DMA
 	default y if LPC17_GPDMA
 	depends on LPC17_GPDMA
 	---help---
-		Support DMA data transfers.  
+		Support DMA data transfers.
 		Enable SD card DMA data transfers.  This is a marginally optional.
 		For most usages, SD accesses will cause data overruns if used without
 		DMA.  Requires LPC17_SDCARD and config LPC17_GPDMA.
diff --git a/nuttx/arch/arm/src/lpc17xx/Make.defs b/nuttx/arch/arm/src/lpc17xx/Make.defs
index be695a777..a7fa299df 100644
--- a/nuttx/arch/arm/src/lpc17xx/Make.defs
+++ b/nuttx/arch/arm/src/lpc17xx/Make.defs
@@ -36,7 +36,7 @@
 # The start-up, "head", file
 
 ifeq ($(CONFIG_ARMV7M_CMNVECTOR),y)
-HEAD_ASRC = 
+HEAD_ASRC =
 else
 HEAD_ASRC = lpc17_vectors.S
 endif
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc176x_syscon.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc176x_syscon.h
index fcf0fa3d4..bc3ae3c92 100644
--- a/nuttx/arch/arm/src/lpc17xx/chip/lpc176x_syscon.h
+++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc176x_syscon.h
@@ -60,12 +60,12 @@
 
 /* Clocking and power control - Phase locked loops */
 
-#define LPC17_SYSCON_PLL0CON_OFFSET   0x0080 /* PLL0 Control Register */     
+#define LPC17_SYSCON_PLL0CON_OFFSET   0x0080 /* PLL0 Control Register */
 #define LPC17_SYSCON_PLL0CFG_OFFSET   0x0084 /* PLL0 Configuration Register */
 #define LPC17_SYSCON_PLL0STAT_OFFSET  0x0088 /* PLL0 Status Register */
 #define LPC17_SYSCON_PLL0FEED_OFFSET  0x008c /* PLL0 Feed Register */
 
-#define LPC17_SYSCON_PLL1CON_OFFSET   0x00a0 /* PLL1 Control Register */     
+#define LPC17_SYSCON_PLL1CON_OFFSET   0x00a0 /* PLL1 Control Register */
 #define LPC17_SYSCON_PLL1CFG_OFFSET   0x00a4 /* PLL1 Configuration Register */
 #define LPC17_SYSCON_PLL1STAT_OFFSET  0x00a8 /* PLL1 Status Register */
 #define LPC17_SYSCON_PLL1FEED_OFFSET  0x00ac /* PLL1 Feed Register */
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_can.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_can.h
index 84b019d61..74a210944 100644
--- a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_can.h
+++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_can.h
@@ -377,7 +377,7 @@
 
 /* Error Warning Limit */
 
-#define CAN_EWL_SHIFT               (0)       /* Bits 0-7: Error warning limit */ 
+#define CAN_EWL_SHIFT               (0)       /* Bits 0-7: Error warning limit */
 #define CAN_EWL_MASK                (0xff << CAN_EWL_SHIFT)
                                               /* Bits 8-31: Reserved */
 /* Status Register */
@@ -482,7 +482,7 @@
 #define CAN_TDA_DATA4_SHIFT         (24)      /* Bits 24-31: RTR=0 && DLC >= 4 */
 #define CAN_TDA_DATA4_MASK          (0x0ff << CAN_TDA_DATA4_SHIFT)
 
-/* Transmit data bytes 5-8 (Tx Buffer 1), Transmit data bytes 5-8 (Tx Buffer 2), and 
+/* Transmit data bytes 5-8 (Tx Buffer 1), Transmit data bytes 5-8 (Tx Buffer 2), and
  * Transmit data bytes 5-8 (Tx Buffer 3) common bit field definitions.
  */
 
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_lcd.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_lcd.h
index d7b919cb6..ef334a1a6 100644
--- a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_lcd.h
+++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_lcd.h
@@ -71,7 +71,7 @@
 
 /* Cursor Image registers, n=0-255 */
 
-#define LPC17_LCD_CRSR_IMG_OFFSET(n)    (0x0800 + ((n) << 2)) 
+#define LPC17_LCD_CRSR_IMG_OFFSET(n)    (0x0800 + ((n) << 2))
 
 #define LPC17_LCD_CRSR_CRTL_OFFSET      (0x0c00) /* Cursor Control register */
 #define LPC17_LCD_CRSR_CFG_OFFSET       (0x0c04) /* Cursor Configuration register */
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_mcpwm.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_mcpwm.h
index 10abbd232..16a21a162 100644
--- a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_mcpwm.h
+++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_mcpwm.h
@@ -263,7 +263,7 @@
 #define MCPWM_CAPCLR_MCCLR0          (1 << 0)  /* Bit 0:  Clear MCCAP0 register */
 #define MCPWM_CAPCLR_MCCLR1          (1 << 1)  /* Bit 1:  Clear MCCAP1 register */
 #define MCPWM_CAPCLR_MCCLR2          (1 << 2)  /* Bit 2:  Clear MCCAP2 register */
-                                               /* Bits 2-31: Reserved */ 
+                                               /* Bits 2-31: Reserved */
 
 /************************************************************************************
  * Public Types
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_usb.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_usb.h
index d1e6dd013..32b02455c 100644
--- a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_usb.h
+++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_usb.h
@@ -49,7 +49,7 @@
 /************************************************************************************
  * Pre-processor Definitions
  ************************************************************************************/
- 
+
 /* Register offsets *****************************************************************/
 /* USB Host Controller (OHCI) *******************************************************/
 /* See include/nuttx/usb/ohci.h */
@@ -326,7 +326,7 @@
 /* USB Device Interrupt Status, USB Device Interrupt Enable, USB Device Interrupt
  * Clear, USB Device Interrupt Set, and USB Device Interrupt Priority
  */
- 
+
 #define USBDEV_INT_FRAME                 (1 << 0)  /* Bit 0:  frame interrupt (every 1 ms) */
 #define USBDEV_INT_EPFAST                (1 << 1)  /* Bit 1:  Fast endpoint interrupt */
 #define USBDEV_INT_EPSLOW                (1 << 2)  /* Bit 2:  Slow endpoints interrupt */
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_adc.h b/nuttx/arch/arm/src/lpc17xx/lpc17_adc.h
index a1bd9fe4d..d7736b979 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_adc.h
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_adc.h
@@ -53,7 +53,7 @@
  * the ADC0_MASK within the board-specific library.
  */
 
-#ifdef CONFIG_ADC_CHANLIST 
+#ifdef CONFIG_ADC_CHANLIST
 #  if !defined(CONFIG_ADC_NCHANNELS)
 #    error "CONFIG_ADC_CHANLIST must defined in this configuration"
 #  elif CONFIG_ADC_NCHANNELS < 1
@@ -92,7 +92,7 @@ extern "C"
  * the ADC0_MASK within the board-specific library.
  */
 
-#ifdef CONFIG_ADC_CHANLIST 
+#ifdef CONFIG_ADC_CHANLIST
 EXTERN uint8_t g_adc_chanlist[CONFIG_ADC_NCHANNELS];
 #endif
 
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_dac.c b/nuttx/arch/arm/src/lpc17xx/lpc17_dac.c
index 4f3e5a512..87cc6a717 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_dac.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_dac.c
@@ -4,7 +4,7 @@
  *   Copyright (C) 2011 Li Zhuoyi. All rights reserved.
  *   Author: Li Zhuoyi <lzyy.cn@gmail.com>
  *   History: 0.1 2011-08-05 initial version
- * 
+ *
  * This file is a part of NuttX:
  *
  *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
@@ -117,7 +117,7 @@ static void dac_reset(FAR struct dac_dev_s *dev)
 {
   irqstate_t flags;
   uint32_t regval;
-    
+
   flags = irqsave();
 
   regval  = getreg32(LPC17_SYSCON_PCLKSEL0);
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_gpiodbg.c b/nuttx/arch/arm/src/lpc17xx/lpc17_gpiodbg.c
index d5ff51f61..7876da0ac 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_gpiodbg.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_gpiodbg.c
@@ -163,7 +163,7 @@ int lpc17_dumpgpio(lpc17_pinset_t pinset, const char *msg)
 #if defined(LPC176x)
   lldbg("  PINSEL[%08x]: %08x PINMODE[%08x]: %08x ODMODE[%08x]: %08x\n",
         pinsel,  pinsel  ? getreg32(pinsel) : 0,
-        pinmode, pinmode ? getreg32(pinmode) : 0, 
+        pinmode, pinmode ? getreg32(pinmode) : 0,
         g_odmode[port],    getreg32(g_odmode[port]));
 #elif defined(LPC178x)
   lldbg("  IOCON[%08x]: %08x\n", iocon, getreg32(iocon));
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_gpioint.c b/nuttx/arch/arm/src/lpc17xx/lpc17_gpioint.c
index 1d6b4b1d6..7cb51ed07 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_gpioint.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_gpioint.c
@@ -396,7 +396,7 @@ static void lpc17_gpiodemux(uint32_t intbase, uint32_t intmask,
  *
  * Description:
  *   Handle the GPIO interrupt.  For the LPC176x family, that interrupt could
- *   also that also indicates that an EINT3 interrupt has occurred.  NOTE: 
+ *   also that also indicates that an EINT3 interrupt has occurred.  NOTE:
  *   This logic would  have to be extended if EINT3 is actually used for
  *   External Interrupt 3 on an LPC176x platform.
  *
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_ohciram.h b/nuttx/arch/arm/src/lpc17xx/lpc17_ohciram.h
index c508ddf6a..5e039dad7 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_ohciram.h
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_ohciram.h
@@ -141,11 +141,11 @@
 #define LPC17_TD_SIZE   32
 
 /* Configurable number of user transfer descriptors (TDs).  */
- 
+
 #ifndef CONFIG_USBHOST_NTDS
 #  define CONFIG_USBHOST_NTDS 3
 #endif
- 
+
 #if CONFIG_USBHOST_NTDS < 2
 #  error "Insufficent TDs"
 #endif
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_sdcard.h b/nuttx/arch/arm/src/lpc17xx/lpc17_sdcard.h
index 66eb68b9b..12c2fba9d 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_sdcard.h
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_sdcard.h
@@ -88,7 +88,7 @@ FAR struct sdio_dev_s *sdio_initialize(int slotno);
  *
  * Input Parameters:
  *   dev        - An instance of the SDIO driver device state structure.
- *   cardinslot - true is a card has been detected in the slot; false if a 
+ *   cardinslot - true is a card has been detected in the slot; false if a
  *                card has been removed from the slot.  Only transitions
  *                (inserted->removed or removed->inserted should be reported)
  *
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c b/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c
index 57a775a6a..7c0f0e04a 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c
@@ -611,7 +611,7 @@ static inline uint32_t lpc17_uartcclkdiv(uint32_t baud)
     {
       return SYSCON_PCLKSEL_CCLK;
     }
-   
+
   /* Check divisor == 2.  This works if:
    *
    *   2 * CCLK / BAUD / 16 < 0xffff, or
@@ -636,7 +636,7 @@ static inline uint32_t lpc17_uartcclkdiv(uint32_t baud)
    * And
    *
    *   4 * CCLK / BAUD / 16 >= MinDL, or
-   *   BAUD <= CCLK / 4 / MinDL 
+   *   BAUD <= CCLK / 4 / MinDL
    */
 
   else if (baud < (LPC17_CCLK / 4 / UART_MINDL ))
@@ -652,7 +652,7 @@ static inline uint32_t lpc17_uartcclkdiv(uint32_t baud)
    * And
    *
    *   8 * CCLK / BAUD / 16 >= MinDL, or
-   *   BAUD <= CCLK / 2 / MinDL 
+   *   BAUD <= CCLK / 2 / MinDL
    */
 
   else /* if (baud < (LPC17_CCLK / 2 / UART_MINDL )) */
@@ -942,7 +942,7 @@ static int up_setup(struct uart_dev_s *dev)
                (UART_FCR_RXTRIGGER_8|UART_FCR_TXRST|UART_FCR_RXRST|UART_FCR_FIFOEN));
 
   /* Enable Auto-RTS and Auto-CS Flow Control in the Modem Control Register */
-  
+
 #if defined(CONFIG_UART1_IFLOWCONTROL) || defined(CONFIG_UART1_OFLOWCONTROL)
   if (priv->uartbase == LPC17_UART1_BASE)
     {
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_ssp.c b/nuttx/arch/arm/src/lpc17xx/lpc17_ssp.c
index 08599e68e..aae65f651 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_ssp.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_ssp.c
@@ -73,7 +73,7 @@
 
 /* Debug ********************************************************************/
 /* The following enable debug output from this file:
- * 
+ *
  * CONFIG_DEBUG         - Define to enable general debug features
  * CONFIG_DEBUG_SPI     - Define to enable basic SSP debug (needs CONFIG_DEBUG)
  * CONFIG_DEBUG_VERBOSE - Define to enable verbose SSP debug
@@ -212,7 +212,7 @@ static struct lpc17_sspdev_s g_ssp0dev =
 #ifdef CONFIG_LPC17_SSP_INTERRUPTS
   .sspirq            = LPC17_IRQ_SSP0,
 #endif
-}; 
+};
 #endif /* CONFIG_LPC17_SSP0 */
 
 #ifdef CONFIG_LPC17_SSP1
@@ -246,7 +246,7 @@ static struct lpc17_sspdev_s g_ssp1dev =
 #ifdef CONFIG_LPC17_SSP_INTERRUPTS
   .sspirq            = LPC17_IRQ_SSP1,
 #endif
-}; 
+};
 #endif /* CONFIG_LPC17_SSP1 */
 
 #ifdef CONFIG_LPC17_SSP2
@@ -280,7 +280,7 @@ static struct lpc17_sspdev_s g_ssp2dev =
 #ifdef CONFIG_LPC17_SSP_INTERRUPTS
   .sspirq            = LPC17_IRQ_SSP2,
 #endif
-}; 
+};
 #endif /* CONFIG_LPC17_SSP2 */
 
 /****************************************************************************
@@ -462,7 +462,7 @@ static uint32_t ssp_setfrequency(FAR struct spi_dev_s *dev, uint32_t frequency)
   cpsdvsr = (cpsdvsr + 1) & ~1;
 
   /* Save the new CPSDVSR and SCR values */
-  
+
   ssp_putreg(priv, LPC17_SSP_CPSR_OFFSET, cpsdvsr);
 
   regval  = ssp_getreg(priv, LPC17_SSP_CR0_OFFSET);
@@ -520,19 +520,19 @@ static void ssp_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode)
         {
         case SPIDEV_MODE0: /* CPOL=0; CPHA=0 */
           break;
- 
+
         case SPIDEV_MODE1: /* CPOL=0; CPHA=1 */
           regval |= SSP_CR0_CPHA;
           break;
- 
+
         case SPIDEV_MODE2: /* CPOL=1; CPHA=0 */
           regval |= SSP_CR0_CPOL;
           break;
- 
+
         case SPIDEV_MODE3: /* CPOL=1; CPHA=1 */
           regval |= (SSP_CR0_CPOL|SSP_CR0_CPHA);
           break;
- 
+
         default:
           sspdbg("Bad mode: %d\n", mode);
           DEBUGASSERT(FALSE);
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_start.c b/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
index 7f8756f4c..80f136f11 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_start.c
@@ -122,7 +122,7 @@ static inline void lpc17_fpuconfig(void)
    * with the volatile FP registers stacked above the basic context.
    */
 
-  regval = getcontrol(); 
+  regval = getcontrol();
   regval |= (1 << 2);
   setcontrol(regval);
 
@@ -152,7 +152,7 @@ static inline void lpc17_fpuconfig(void)
    * with the volatile FP registers stacked in the saved context.
    */
 
-  regval = getcontrol(); 
+  regval = getcontrol();
   regval &= ~(1 << 2);
   setcontrol(regval);
 
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_usbdev.c b/nuttx/arch/arm/src/lpc17xx/lpc17_usbdev.c
index 938d0c8a7..7dbb2170b 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_usbdev.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_usbdev.c
@@ -1490,7 +1490,7 @@ static void lpc17_usbreset(struct lpc17_usbdev_s *priv)
   lpc17_putreg(USB_SLOW_INT|USB_DEVSTATUS_INT|USB_FAST_INT|USB_FRAME_INT|USB_ERROR_INT,
                LPC17_USBDEV_INTEN);
 
-  /* Tell the class driver that we are disconnected. The class 
+  /* Tell the class driver that we are disconnected. The class
    * driver should then accept any new configurations.
    */
 
@@ -3130,7 +3130,7 @@ static int lpc17_wakeup(struct usbdev_s *dev)
  * Name: lpc17_selfpowered
  *
  * Description:
- *   Sets/clears the device selfpowered feature 
+ *   Sets/clears the device selfpowered feature
  *
  *******************************************************************************/
 
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c
index 1e1681ee5..c9e1a3a7a 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_usbhost.c
@@ -271,13 +271,13 @@ static void lpc17_setinttab(uint32_t value, unsigned int interval, unsigned int
 #endif
 
 static inline int lpc17_addinted(struct lpc17_usbhost_s *priv,
-                                 FAR const struct usbhost_epdesc_s *epdesc, 
+                                 FAR const struct usbhost_epdesc_s *epdesc,
                                  struct lpc17_ed_s *ed);
 static inline int lpc17_reminted(struct lpc17_usbhost_s *priv,
                                  struct lpc17_ed_s *ed);
 
 static inline int lpc17_addisoced(struct lpc17_usbhost_s *priv,
-                                  FAR const struct usbhost_epdesc_s *epdesc, 
+                                  FAR const struct usbhost_epdesc_s *epdesc,
                                   struct lpc17_ed_s *ed);
 static inline int lpc17_remisoced(struct lpc17_usbhost_s *priv,
                                   struct lpc17_ed_s *ed);
@@ -724,7 +724,7 @@ static void lpc17_freeio(uint8_t *buffer)
  *   Helper function to add an ED to the bulk list.
  *
  *******************************************************************************/
- 
+
 static inline int lpc17_addbulked(struct lpc17_usbhost_s *priv,
                                   struct lpc17_ed_s *ed)
 {
@@ -757,7 +757,7 @@ static inline int lpc17_addbulked(struct lpc17_usbhost_s *priv,
  *   Helper function remove an ED from the bulk list.
  *
  *******************************************************************************/
- 
+
 static inline int lpc17_rembulked(struct lpc17_usbhost_s *priv,
                                   struct lpc17_ed_s *ed)
 {
@@ -891,9 +891,9 @@ static void lpc17_setinttab(uint32_t value, unsigned int interval, unsigned int
  *     2. Some devices may get polled at a much higher rate than they request.
  *
  *******************************************************************************/
- 
+
 static inline int lpc17_addinted(struct lpc17_usbhost_s *priv,
-                                 FAR const struct usbhost_epdesc_s *epdesc, 
+                                 FAR const struct usbhost_epdesc_s *epdesc,
                                  struct lpc17_ed_s *ed)
 {
 #ifndef CONFIG_USBHOST_INT_DISABLE
@@ -1000,7 +1000,7 @@ static inline int lpc17_addinted(struct lpc17_usbhost_s *priv,
  *     2. Some devices may get polled at a much higher rate than they request.
  *
  *******************************************************************************/
- 
+
 static inline int lpc17_reminted(struct lpc17_usbhost_s *priv,
                                  struct lpc17_ed_s *ed)
 {
@@ -1088,7 +1088,7 @@ static inline int lpc17_reminted(struct lpc17_usbhost_s *priv,
       uvdbg("min interval: %d offset: %d\n", interval, offset);
 
       /* Save the new minimum interval */
- 
+
       if ((ed->hw.ctrl && ED_CONTROL_D_MASK) == ED_CONTROL_D_IN)
         {
           priv->ininterval  = interval;
@@ -1127,9 +1127,9 @@ static inline int lpc17_reminted(struct lpc17_usbhost_s *priv,
  *   Helper functions to add an ED to the periodic table.
  *
  *******************************************************************************/
- 
+
 static inline int lpc17_addisoced(struct lpc17_usbhost_s *priv,
-                                  FAR const struct usbhost_epdesc_s *epdesc, 
+                                  FAR const struct usbhost_epdesc_s *epdesc,
                                   struct lpc17_ed_s *ed)
 {
 #ifndef CONFIG_USBHOST_ISOC_DISABLE
@@ -1146,7 +1146,7 @@ static inline int lpc17_addisoced(struct lpc17_usbhost_s *priv,
  *   Helper functions to remove an ED from the periodic table.
  *
  *******************************************************************************/
- 
+
 static inline int lpc17_remisoced(struct lpc17_usbhost_s *priv,
                                   struct lpc17_ed_s *ed)
 {
@@ -1302,7 +1302,7 @@ static int lpc17_ctrltd(struct lpc17_usbhost_s *priv, uint32_t dirpid,
         {
           ret = OK;
         }
-      else 
+      else
         {
           uvdbg("Bad TD completion status: %d\n", EDCTRL->tdstatus);
           ret = EDCTRL->tdstatus == TD_CC_STALL ? -EPERM : -EIO;
@@ -1397,7 +1397,7 @@ static int lpc17_usbinterrupt(int irq, FAR void *context)
                     }
 
                   /* Check if we are now disconnected */
- 
+
                   else if (priv->connected)
                     {
                       /* Yes.. disconnect the device */
@@ -1446,7 +1446,7 @@ static int lpc17_usbinterrupt(int irq, FAR void *context)
         }
 
       /* Writeback Done Head interrupt */
- 
+
       if ((pending & OHCI_INT_WDH) != 0)
         {
           struct lpc17_gtd_s *td;
@@ -1617,7 +1617,7 @@ static int lpc17_enumerate(FAR struct usbhost_connection_s *conn, int rphndx)
       udbg("Not connected\n");
       return -ENODEV;
     }
- 
+
   /* USB 2.0 spec says at least 50ms delay before port reset */
 
   (void)usleep(100*1000);
@@ -1681,7 +1681,7 @@ static int lpc17_ep0configure(FAR struct usbhost_driver_s *drvr, uint8_t funcadd
 
   /* Set the EP0 ED control word */
 
-  EDCTRL->hw.ctrl = (uint32_t)funcaddr << ED_CONTROL_FA_SHIFT | 
+  EDCTRL->hw.ctrl = (uint32_t)funcaddr << ED_CONTROL_FA_SHIFT |
                     (uint32_t)maxpacketsize << ED_CONTROL_MPS_SHIFT;
 
   if (priv->lowspeed)
@@ -1780,9 +1780,9 @@ static int lpc17_epalloc(FAR struct usbhost_driver_s *drvr,
       g_edfree = ((struct lpc17_list_s*)ed)->flink;
 
       /* Configure the endpoint descriptor. */
- 
+
       memset((void*)ed, 0, sizeof(struct lpc17_ed_s));
-      ed->hw.ctrl = (uint32_t)(epdesc->funcaddr)     << ED_CONTROL_FA_SHIFT | 
+      ed->hw.ctrl = (uint32_t)(epdesc->funcaddr)     << ED_CONTROL_FA_SHIFT |
                     (uint32_t)(epdesc->addr)         << ED_CONTROL_EN_SHIFT |
                     (uint32_t)(epdesc->mxpacketsize) << ED_CONTROL_MPS_SHIFT;
 
@@ -2259,7 +2259,7 @@ static int lpc17_ctrlout(FAR struct usbhost_driver_s *drvr,
  *   - Never called from an interrupt handler.
  *
  *******************************************************************************/
- 
+
 static int lpc17_transfer(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep,
                           FAR uint8_t *buffer, size_t buflen)
 {
@@ -2277,10 +2277,10 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep,
 
   in = (ed->hw.ctrl  & ED_CONTROL_D_MASK) == ED_CONTROL_D_IN;
   uvdbg("EP%d %s toggle:%d maxpacket:%d buflen:%d\n",
-        (ed->hw.ctrl  & ED_CONTROL_EN_MASK) >> ED_CONTROL_EN_SHIFT, 
+        (ed->hw.ctrl  & ED_CONTROL_EN_MASK) >> ED_CONTROL_EN_SHIFT,
         in ? "IN" : "OUT",
         (ed->hw.headp & ED_HEADP_C) != 0 ? 1 : 0,
-        (ed->hw.ctrl  & ED_CONTROL_MPS_MASK) >> ED_CONTROL_MPS_SHIFT, 
+        (ed->hw.ctrl  & ED_CONTROL_MPS_MASK) >> ED_CONTROL_MPS_SHIFT,
         buflen);
 
   /* We must have exclusive access to the endpoint, the TD pool, the I/O buffer
@@ -2360,7 +2360,7 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep,
       /* BulkListFilled. This bit is used to indicate whether there are any
        * TDs on the Bulk list.
        */
- 
+
       regval  = lpc17_getreg(LPC17_USBHOST_CMDST);
       regval |= OHCI_CMDST_BLF;
       lpc17_putreg(regval, LPC17_USBHOST_CMDST);
@@ -2375,7 +2375,7 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep,
         {
           ret = OK;
         }
-      else 
+      else
         {
           uvdbg("Bad TD completion status: %d\n", ed->tdstatus);
           ret = -EIO;
@@ -2443,7 +2443,7 @@ static void lpc17_disconnect(FAR struct usbhost_driver_s *drvr)
 
   priv->class = NULL;
 }
-  
+
 /*******************************************************************************
  * Initialization
  *******************************************************************************/
@@ -2687,11 +2687,11 @@ FAR struct usbhost_connection_s *lpc17_usbhost_initialize(int controller)
   /* Software reset */
 
   lpc17_putreg(OHCI_CMDST_HCR, LPC17_USBHOST_CMDST);
-  
+
   /* Write Fm interval (FI), largest data packet counter (FSMPS), and
    * periodic start.
    */
-  
+
   lpc17_putreg(DEFAULT_FMINTERVAL, LPC17_USBHOST_FMINT);
   lpc17_putreg(DEFAULT_PERSTART, LPC17_USBHOST_PERSTART);
 
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_userspace.c b/nuttx/arch/arm/src/lpc17xx/lpc17_userspace.c
index a9bddfc8c..8a2d23dde 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_userspace.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_userspace.c
@@ -98,7 +98,7 @@ void lpc17_userspace(void)
   /* Initialize all of user-space .data */
 
   DEBUGASSERT(USERSPACE->us_datasource != 0 &&
-              USERSPACE->us_datastart != 0 && USERSPACE->us_dataend != 0 && 
+              USERSPACE->us_datastart != 0 && USERSPACE->us_dataend != 0 &&
               USERSPACE->us_datastart <= USERSPACE->us_dataend);
 
   src  = (uint8_t*)USERSPACE->us_datasource;