More trailing whilespace removal

34 files changed, 66 insertions, 66 deletions

diff --git a/nuttx/arch/avr/include/at32uc3/irq.h b/nuttx/arch/avr/include/at32uc3/irq.h
index 00802ebab..64861001e 100644
--- a/nuttx/arch/avr/include/at32uc3/irq.h
+++ b/nuttx/arch/avr/include/at32uc3/irq.h
@@ -63,7 +63,7 @@
 #  undef CONFIG_AVR32_GPIOIRQSETA
 #  undef CONFIG_AVR32_GPIOIRQSETB
 #endif
- 
+
 /* IRQ numbers **************************************************************/
 /* Events.  These exclude:
  *
@@ -287,7 +287,7 @@
 #if (CONFIG_AVR32_GPIOIRQSETA & 0x00000001) != 0
 #  define AVR32_IRQ_GPIO_PA0  __IRQ_GPPIO_PA0
 #  define __IRQ_GPIO_PA1      (__IRQ_GPPIO_PA0+1)
-#else 
+#else
 #  define __IRQ_GPIO_PA1      __IRQ_GPPIO_PA0
 #endif
 
diff --git a/nuttx/arch/avr/include/avr/irq.h b/nuttx/arch/avr/include/avr/irq.h
index 9a84d1aa7..c237ded68 100644
--- a/nuttx/arch/avr/include/avr/irq.h
+++ b/nuttx/arch/avr/include/avr/irq.h
@@ -168,7 +168,7 @@ static inline irqstate_t irqsave(void)
     (
       "\tin %0, __SREG__\n"
 	  "\tcli\n"
-	  : "=&r" (sreg) :: 
+	  : "=&r" (sreg) ::
 	);
   return sreg;
 }
diff --git a/nuttx/arch/avr/include/avr32/irq.h b/nuttx/arch/avr/include/avr32/irq.h
index 09ee0296a..13326f0b7 100644
--- a/nuttx/arch/avr/include/avr32/irq.h
+++ b/nuttx/arch/avr/include/avr32/irq.h
@@ -66,7 +66,7 @@
  * this makes it easier to following the ordering of pushing on a push-down
  * stack.
  */
- 
+
 #define REG_R8           16
 #define REG_R9           15
 #define REG_R10          14
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_gpio.c b/nuttx/arch/avr/src/at32uc3/at32uc3_gpio.c
index a0e39e19d..2a2996740 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_gpio.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_gpio.c
@@ -151,13 +151,13 @@ int at32uc3_configgpio(uint16_t cfgset)
   if ((cfgset & GPIO_ENABLE) != 0)
     {
       /* Its a GPIO.  Input or output? */
- 
+
       if ((cfgset & GPIO_OUTPUT) != 0)
         {
           /* Its a GPIO output. Set up the initial output value and enable
            * the output driver.
            */
- 
+
           if ((cfgset & GPIO_VALUE) != 0)
             {
               putreg32(pinmask, base + AVR32_GPIO_OVRS_OFFSET);
@@ -222,7 +222,7 @@ int at32uc3_configgpio(uint16_t cfgset)
 
       putreg32(pinmask, base + AVR32_GPIO_IERS_OFFSET);
     }
-  
+
   return OK;
 }
 
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_gpioirq.c b/nuttx/arch/avr/src/at32uc3/at32uc3_gpioirq.c
index c55ba3d13..d0442babc 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_gpioirq.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_gpioirq.c
@@ -177,7 +177,7 @@ static inline int gpio_pin(unsigned int irq)
 
        pinset >>= 1;
      }
- 
+
   return -EINVAL;
 }
 
@@ -309,7 +309,7 @@ void gpio_irqinitialize(void)
     }
 
   /* Then attach the GPIO interrupt handlers */
-  
+
 #if CONFIG_AVR32_GPIOIRQSETA != 0
   irq_attach(AVR32_IRQ_GPIO0, gpio0_interrupt);
 #endif
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c b/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
index 509d389af..d58558852 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_lowconsole.c
@@ -164,7 +164,7 @@ static void usart_setbaudrate(uintptr_t usart_base, uint32_t baudrate)
 
       mr &= ~USART_MR_SYNC;
       mr |= USART_MR_OVER;
- 
+
       /* Calculate the clock divider assuming 16x oversampling */
 
       cd = (AVR32_PBA_CLOCK + (baudrate << 2)) / (baudrate << 3);
@@ -177,7 +177,7 @@ static void usart_setbaudrate(uintptr_t usart_base, uint32_t baudrate)
 
       /* Use the undivided PBA clock */
 
-      cd = AVR32_PBA_CLOCK / baudrate;    
+      cd = AVR32_PBA_CLOCK / baudrate;
     }
 
   DEBUGASSERT(cd > 0 && cd < 65536);
@@ -202,7 +202,7 @@ static void usart_setbaudrate(uintptr_t usart_base, uint32_t baudrate)
 void usart_reset(uintptr_t usart_base)
 {
   irqstate_t flags;
-  
+
   /* Disable all USART interrupts */
 
   flags = irqsave();
@@ -275,7 +275,7 @@ void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity,
     {
       regval |= USART_MR_CHRL_BITS(nbits);
     }
-  
+
   usart_putreg(usart_base, AVR32_USART_MR_OFFSET, regval);
 
   /* Set the baud rate generation register */
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_tc.h b/nuttx/arch/avr/src/at32uc3/at32uc3_tc.h
index 821b35b33..f3773c161 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_tc.h
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_tc.h
@@ -355,7 +355,7 @@
 #  define TC_BMR_TC2XC2S_NONE     (1 << TC_BMR_TC2XC2S_SHIFT) /* None */
 #  define TC_BMR_TC2XC2S_TIOA0    (2 << TC_BMR_TC2XC2S_SHIFT) /* TIOA0 */
 #  define TC_BMR_TC2XC2S_TIOA1    (3 << TC_BMR_TC2XC2S_SHIFT) /* TIOA1 */
-				 
+				
 /************************************************************************************
  * Public Types
  ************************************************************************************/
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c b/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c
index 711cef3c9..361fb8ec2 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c
@@ -121,7 +121,7 @@
  * Therefore, the TOP interrupt should occur after 143+1=144 counts
  * at a rate of 69.57us x 144 = 10.02 ms
  */
- 
+
 #ifdef AVR32_CLOCK_OSC32
 #  define AV32_PSEL 1
 #  define AV32_TOP (82-1)
@@ -168,7 +168,7 @@ static void rtc_waitnotbusy(void)
 int up_timerisr(int irq, uint32_t *regs)
 {
    /* Clear the pending timer interrupt */
- 
+
    putreg32(RTC_INT_TOPI, AVR32_RTC_ICR);
 
    /* Process timer interrupt */
@@ -228,7 +228,7 @@ void up_timerinit(void)
   /* Enable RTC interrupts */
 
   putreg32(RTC_INT_TOPI, AVR32_RTC_IER);
-  
+
   /* Enable the RTC */
 
   rtc_waitnotbusy();
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_head.S b/nuttx/arch/avr/src/at90usb/at90usb_head.S
index 1e705ba71..6d850b7f2 100755
--- a/nuttx/arch/avr/src/at90usb/at90usb_head.S
+++ b/nuttx/arch/avr/src/at90usb/at90usb_head.S
@@ -227,7 +227,7 @@ __do_copy_data:
 .Lcopyloop:
 	lpm     r0, Z+
 	st      X+, r0
- 
+
 .Lcopystart:
 	cpi     r26, lo8(_edata)
 	cpc     r27, r17
@@ -246,7 +246,7 @@ __do_clear_bss:
 
 .Lclearloop:
 	st		X+, r1
- 
+
 .Lclearstart:
 	cpi		r26, lo8(_ebss)
 	cpc		r27, r17
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c b/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c
index 64fd50fe1..b45f119d9 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c
+++ b/nuttx/arch/avr/src/at90usb/at90usb_lowconsole.c
@@ -77,7 +77,7 @@
  *     AVR_NORMAL_UBRR1 = 52 (rounded), actual baud = 9615
  *     AVR_DBLSPEED_UBRR1 = 104 (rounded), actual baud = 9615
  */
- 
+
 #undef UART1_DOUBLE_SPEED
 #if BOARD_CPU_CLOCK <= 4000000
 #  if CONFIG_USART1_BAUD <= 9600
@@ -194,7 +194,7 @@ void usart1_configure(void)
 
   ucsr1b = ((1 << TXEN1)  | (1 << RXEN1));
   ucsr1c = 0;
- 
+
   /* Select parity */
 
 #if CONFIG_USART1_PARITY == 1
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c b/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c
index 5f8964f6c..89de8b8ca 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c
+++ b/nuttx/arch/avr/src/at90usb/at90usb_lowinit.c
@@ -50,7 +50,7 @@
  **************************************************************************/
 
 #if defined(CONFIG_WDTO_15MS)
-#  define WDTO_VALUE WDTO_15MS   
+#  define WDTO_VALUE WDTO_15MS
 #elif defined(CONFIG_WDTO_30MS)
 #  define WDTO_VALUE WDTO_30MS
 #elif defined(CONFIG_WDTO_60MS)
diff --git a/nuttx/arch/avr/src/at90usb/at90usb_usbdev.c b/nuttx/arch/avr/src/at90usb/at90usb_usbdev.c
index a5fb64c36..57741250a 100644
--- a/nuttx/arch/avr/src/at90usb/at90usb_usbdev.c
+++ b/nuttx/arch/avr/src/at90usb/at90usb_usbdev.c
@@ -624,7 +624,7 @@ static inline int avr_epNsend(FAR struct avr_ep_s *privep,
     }
 
   /* Send the USB data.  The outer loop handles for each packet of data
-   * (including zero-length packets) 
+   * (including zero-length packets)
    */
 
   do
@@ -1531,7 +1531,7 @@ static inline void avr_ep0setup(void)
               case USB_REQ_RECIPIENT_ENDPOINT:
                 if (g_usbdev.paddrset != 0 &&
                     value == USB_FEATURE_ENDPOINTHALT &&
-                    len == 0 && 
+                    len == 0 &&
                     (privep = avr_epfindbyaddr(index)) != NULL)
                   {
                     avr_epstall(&privep->ep, false);
@@ -1579,7 +1579,7 @@ static inline void avr_ep0setup(void)
               case USB_REQ_RECIPIENT_ENDPOINT:
                 if (g_usbdev.paddrset != 0 &&
                     value == USB_FEATURE_ENDPOINTHALT &&
-                    len == 0 && 
+                    len == 0 &&
                     (privep = avr_epfindbyaddr(index)) != NULL)
                   {
                     avr_epstall(&privep->ep, true);
@@ -2493,8 +2493,8 @@ static int avr_epcancel(FAR struct usbdev_ep_s *ep,
 
   usbtrace(TRACE_EPCANCEL, privep->ep.eplog);
 
-  /* FIXME: if the request is the first, then we need to flush the EP otherwise 
-   * just remove it from the list but ... all other implementations cancel all 
+  /* FIXME: if the request is the first, then we need to flush the EP otherwise
+   * just remove it from the list but ... all other implementations cancel all
    * requests ... */
 
   flags = irqsave();
@@ -2716,7 +2716,7 @@ static int avr_wakeup(struct usbdev_s *dev)
  * Name: avr_selfpowered
  *
  * Description:
- *   Sets/clears the device selfpowered feature 
+ *   Sets/clears the device selfpowered feature
  *
  *******************************************************************************/
 
@@ -2949,7 +2949,7 @@ int usbdev_unregister(struct usbdevclass_driver_s *driver)
  *
  * Description:
  *   Sample VBUS to see if there are changes in our connection status.  There
- *   is actually an interrupt to signal this case so it should not be necessary 
+ *   is actually an interrupt to signal this case so it should not be necessary
  *   to poll our connection status.  However, on certain "noisy" systems, VBUS
  *   may bounce and provide inaccurate information in the interrupt handler
  *   (especially if a relay is used to switch VBUS!).  This poll is, then,
diff --git a/nuttx/arch/avr/src/atmega/Make.defs b/nuttx/arch/avr/src/atmega/Make.defs
index a7d3a881b..826d372a1 100644
--- a/nuttx/arch/avr/src/atmega/Make.defs
+++ b/nuttx/arch/avr/src/atmega/Make.defs
@@ -74,7 +74,7 @@ CHIP_CSRCS	= atmega_lowconsole.c atmega_lowinit.c atmega_serial.c atmega_timeris
 # Configuration-dependent ATMEGA files
 
 ifeq ($(CONFIG_AVR_GPIOIRQ),y)
-CHIP_CSRCS	+= 
+CHIP_CSRCS	+=
 endif
 
 
diff --git a/nuttx/arch/avr/src/atmega/atmega_head.S b/nuttx/arch/avr/src/atmega/atmega_head.S
index dc35cd879..b272e54c3 100755
--- a/nuttx/arch/avr/src/atmega/atmega_head.S
+++ b/nuttx/arch/avr/src/atmega/atmega_head.S
@@ -240,7 +240,7 @@ __do_clear_bss:
 
 .Lclearloop:
 	st		X+, r1
- 
+
 .Lclearstart:
 	cpi		r26, lo8(_ebss)
 	cpc		r27, r17
diff --git a/nuttx/arch/avr/src/atmega/atmega_lowconsole.c b/nuttx/arch/avr/src/atmega/atmega_lowconsole.c
index ccf56dc33..ba3255741 100644
--- a/nuttx/arch/avr/src/atmega/atmega_lowconsole.c
+++ b/nuttx/arch/avr/src/atmega/atmega_lowconsole.c
@@ -76,7 +76,7 @@
  *     AVR_NORMAL_UBRR1 = 52 (rounded), actual baud = 9615
  *     AVR_DBLSPEED_UBRR1 = 104 (rounded), actual baud = 9615
  */
- 
+
 #undef UART0_DOUBLE_SPEED
 #if BOARD_CPU_CLOCK <= 4000000
 #  if CONFIG_USART0_BAUD <= 9600
@@ -136,7 +136,7 @@
  *     AVR_NORMAL_UBRR1 = 52 (rounded), actual baud = 9615
  *     AVR_DBLSPEED_UBRR1 = 104 (rounded), actual baud = 9615
  */
- 
+
 #undef UART1_DOUBLE_SPEED
 #if BOARD_CPU_CLOCK <= 4000000
 #  if CONFIG_USART1_BAUD <= 9600
@@ -275,7 +275,7 @@ void usart0_configure(void)
 
   ucsr0b = ((1 << TXEN0)  | (1 << RXEN0));
   ucsr0c = 0;
- 
+
   /* Select parity */
 
 #if CONFIG_USART0_PARITY == 1
@@ -352,7 +352,7 @@ void usart1_configure(void)
 
   ucsr1b = ((1 << TXEN1)  | (1 << RXEN1));
   ucsr1c = 0;
- 
+
   /* Select parity */
 
 #if CONFIG_USART1_PARITY == 1
diff --git a/nuttx/arch/avr/src/atmega/atmega_lowinit.c b/nuttx/arch/avr/src/atmega/atmega_lowinit.c
index 075a6413a..1ac5661f6 100644
--- a/nuttx/arch/avr/src/atmega/atmega_lowinit.c
+++ b/nuttx/arch/avr/src/atmega/atmega_lowinit.c
@@ -50,7 +50,7 @@
  **************************************************************************/
 
 #if defined(CONFIG_WDTO_15MS)
-#  define WDTO_VALUE WDTO_15MS   
+#  define WDTO_VALUE WDTO_15MS
 #elif defined(CONFIG_WDTO_30MS)
 #  define WDTO_VALUE WDTO_30MS
 #elif defined(CONFIG_WDTO_60MS)
diff --git a/nuttx/arch/avr/src/avr/avr_internal.h b/nuttx/arch/avr/src/avr/avr_internal.h
index 8fb3fae28..f74d682e5 100644
--- a/nuttx/arch/avr/src/avr/avr_internal.h
+++ b/nuttx/arch/avr/src/avr/avr_internal.h
@@ -54,7 +54,7 @@
  ****************************************************************************/
 
 /* Macros to handle saving and restore interrupt state.  The state is copied
- * from the stack to the TCB, but only a referenced is passed to get the 
+ * from the stack to the TCB, but only a referenced is passed to get the
  * state from the TCB.
  */
 
@@ -142,7 +142,7 @@ uint8_t *up_doirq(uint8_t irq, uint8_t *regs);
  * Description:
  *   These external functions must be provided by board-specific logic.  They are
  *   implementations of the select, status, and cmddata methods of the SPI interface
- *   defined by struct spi_ops_s (see include/nuttx/spi/spi.h). All other methods 
+ *   defined by struct spi_ops_s (see include/nuttx/spi/spi.h). All other methods
  *   including up_spiinitialize()) are provided by common LPC17xx logic.  To use
  *   this common SPI logic on your board:
  *
diff --git a/nuttx/arch/avr/src/avr/excptmacros.h b/nuttx/arch/avr/src/avr/excptmacros.h
index 730f02acc..c46e0024a 100644
--- a/nuttx/arch/avr/src/avr/excptmacros.h
+++ b/nuttx/arch/avr/src/avr/excptmacros.h
@@ -92,7 +92,7 @@
  *
  * Description:
  *	This macro provides the exception entry logic.  It is called with the PC already on the
- *	stack.  It simply saves one register on the  stack (r24) and passes the IRQ number to 
+ *	stack.  It simply saves one register on the  stack (r24) and passes the IRQ number to
  *	common logic (see EXCPT_PROLOGUE).
  *
  * On Entry:
@@ -437,7 +437,7 @@
 	out		_SFR_IO_ADDR(SPH), r25		/* (SPH then SPL) */
 	ld		r24, x+
 	out		_SFR_IO_ADDR(SPL), r24
- 
+
 	/* Fetch the return address and save it at the bottom of the new stack so
 	 * that we can iret to switch contexts.  The new stack is now:
 	 *
diff --git a/nuttx/arch/avr/src/avr/up_blocktask.c b/nuttx/arch/avr/src/avr/up_blocktask.c
index 82fcd65db..004bf6e44 100644
--- a/nuttx/arch/avr/src/avr/up_blocktask.c
+++ b/nuttx/arch/avr/src/avr/up_blocktask.c
@@ -130,7 +130,7 @@ void up_block_task(struct tcb_s *tcb, tstate_t task_state)
 
           up_savestate(rtcb->xcp.regs);
 
-          /* Restore the exception context of the rtcb at the (new) head 
+          /* Restore the exception context of the rtcb at the (new) head
            * of the g_readytorun task list.
            */
 
diff --git a/nuttx/arch/avr/src/avr/up_createstack.c b/nuttx/arch/avr/src/avr/up_createstack.c
index 521213126..1dd7e5006 100644
--- a/nuttx/arch/avr/src/avr/up_createstack.c
+++ b/nuttx/arch/avr/src/avr/up_createstack.c
@@ -118,7 +118,7 @@ int up_create_stack(FAR struct tcb_s *tcb, size_t stack_size, uint8_t ttype)
     }
 
   /* Do we need to allocate a new stack? */
- 
+
   if (!tcb->stack_alloc_ptr)
     {
       /* Allocate the stack.  If DEBUG is enabled (but not stack debug),
diff --git a/nuttx/arch/avr/src/avr/up_releasepending.c b/nuttx/arch/avr/src/avr/up_releasepending.c
index 0a63189fe..a3646f6f9 100644
--- a/nuttx/arch/avr/src/avr/up_releasepending.c
+++ b/nuttx/arch/avr/src/avr/up_releasepending.c
@@ -97,7 +97,7 @@ void up_release_pending(void)
 
            up_savestate(rtcb->xcp.regs);
 
-          /* Restore the exception context of the rtcb at the (new) head 
+          /* Restore the exception context of the rtcb at the (new) head
            * of the g_readytorun task list.
            */
 
diff --git a/nuttx/arch/avr/src/avr/up_reprioritizertr.c b/nuttx/arch/avr/src/avr/up_reprioritizertr.c
index 4c510f4ea..773b0ede8 100644
--- a/nuttx/arch/avr/src/avr/up_reprioritizertr.c
+++ b/nuttx/arch/avr/src/avr/up_reprioritizertr.c
@@ -69,7 +69,7 @@
  *
  * Description:
  *   Called when the priority of a running or
- *   ready-to-run task changes and the reprioritization will 
+ *   ready-to-run task changes and the reprioritization will
  *   cause a context switch.  Two cases:
  *
  *   1) The priority of the currently running task drops and the next
@@ -152,7 +152,7 @@ void up_reprioritize_rtr(struct tcb_s *tcb, uint8_t priority)
 
                up_savestate(rtcb->xcp.regs);
 
-              /* Restore the exception context of the rtcb at the (new) head 
+              /* Restore the exception context of the rtcb at the (new) head
                * of the g_readytorun task list.
                */
 
diff --git a/nuttx/arch/avr/src/avr/up_spi.c b/nuttx/arch/avr/src/avr/up_spi.c
index 8a243c2d9..78a4fa9ba 100644
--- a/nuttx/arch/avr/src/avr/up_spi.c
+++ b/nuttx/arch/avr/src/avr/up_spi.c
@@ -140,7 +140,7 @@ static const struct spi_ops_s g_spiops =
 static struct avr_spidev_s g_spidev =
 {
   .spidev            = { &g_spiops },
-}; 
+};
 
 /****************************************************************************
  * Public Data
@@ -319,19 +319,19 @@ static void spi_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 |= (1 << CPHA);
           break;
- 
+
         case SPIDEV_MODE2: /* CPOL=1; CPHA=0 */
           regval |= (1 << CPOL);
           break;
- 
+
         case SPIDEV_MODE3: /* CPOL=1; CPHA=1 */
           regval |= ((1 << CPOL) | (1 << CPHA));
           break;
- 
+
         default:
           DEBUGASSERT(FALSE);
           return;
diff --git a/nuttx/arch/avr/src/avr/up_unblocktask.c b/nuttx/arch/avr/src/avr/up_unblocktask.c
index 970deedd6..305e057a8 100644
--- a/nuttx/arch/avr/src/avr/up_unblocktask.c
+++ b/nuttx/arch/avr/src/avr/up_unblocktask.c
@@ -109,7 +109,7 @@ void up_unblock_task(struct tcb_s *tcb)
       /* The currently active task has changed! We need to do
        * a context switch to the new task.
        *
-       * Are we in an interrupt handler? 
+       * Are we in an interrupt handler?
        */
 
       if (current_regs)
@@ -120,7 +120,7 @@ void up_unblock_task(struct tcb_s *tcb)
 
           up_savestate(rtcb->xcp.regs);
 
-          /* Restore the exception context of the rtcb at the (new) head 
+          /* Restore the exception context of the rtcb at the (new) head
            * of the g_readytorun task list.
            */
 
diff --git a/nuttx/arch/avr/src/avr32/Toolchain.defs b/nuttx/arch/avr/src/avr32/Toolchain.defs
index 9c3bed04c..51fe4fbba 100644
--- a/nuttx/arch/avr/src/avr32/Toolchain.defs
+++ b/nuttx/arch/avr/src/avr32/Toolchain.defs
@@ -44,7 +44,7 @@
 # that we are operating on a Windows platform.  But in the case where we
 # have an AVR32 toolchain built under Cygwin, the correct setting would be
 # GNU, not AVRTOOLSW.
-# 
+#
 
 CROSSDEV = avr32-
 ARCHCPUFLAGS = -mpart=uc3b0256
diff --git a/nuttx/arch/avr/src/avr32/avr32_internal.h b/nuttx/arch/avr/src/avr32/avr32_internal.h
index 906cffc78..c98f0b5cc 100644
--- a/nuttx/arch/avr/src/avr32/avr32_internal.h
+++ b/nuttx/arch/avr/src/avr32/avr32_internal.h
@@ -52,7 +52,7 @@
  ****************************************************************************/
 
 /* Macros to handle saving and restore interrupt state.  The state is copied
- * from the stack to the TCB, but only a referenced is passed to get the 
+ * from the stack to the TCB, but only a referenced is passed to get the
  * state from the TCB.
  */
 
diff --git a/nuttx/arch/avr/src/avr32/up_blocktask.c b/nuttx/arch/avr/src/avr32/up_blocktask.c
index 1da4eb573..955d3b1d2 100644
--- a/nuttx/arch/avr/src/avr32/up_blocktask.c
+++ b/nuttx/arch/avr/src/avr32/up_blocktask.c
@@ -130,7 +130,7 @@ void up_block_task(struct tcb_s *tcb, tstate_t task_state)
 
           up_savestate(rtcb->xcp.regs);
 
-          /* Restore the exception context of the rtcb at the (new) head 
+          /* Restore the exception context of the rtcb at the (new) head
            * of the g_readytorun task list.
            */
 
diff --git a/nuttx/arch/avr/src/avr32/up_createstack.c b/nuttx/arch/avr/src/avr32/up_createstack.c
index f9968d555..fd1af6782 100644
--- a/nuttx/arch/avr/src/avr32/up_createstack.c
+++ b/nuttx/arch/avr/src/avr32/up_createstack.c
@@ -117,7 +117,7 @@ int up_create_stack(FAR struct tcb_s *tcb, size_t stack_size, uint8_t ttype)
     }
 
   /* Do we need to allocate a new stack? */
- 
+
   if (!tcb->stack_alloc_ptr)
     {
       /* Allocate the stack.  If DEBUG is enabled (but not stack debug),
diff --git a/nuttx/arch/avr/src/avr32/up_exceptions.S b/nuttx/arch/avr/src/avr32/up_exceptions.S
index 53a5b9c4f..b4d399cdb 100755
--- a/nuttx/arch/avr/src/avr32/up_exceptions.S
+++ b/nuttx/arch/avr/src/avr32/up_exceptions.S
@@ -179,7 +179,7 @@ avr32_intcommon:
 /* On entry to each, the context save area looks like this:                 */
 /*     xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx SR PC                   */
 /*                                                  ^     ^+2*4             */
- 
+
 	HANDLER	avr32_unrec, AVR32_IRQ_UNREC			/* Unrecoverable xcptn  */
 	HANDLER	avr32_tlbmult, AVR32_IRQ_TLBMULT		/* TLB multiple hit     */
 	HANDLER	avr32_busdata, AVR32_IRQ_BUSDATA		/* Bus error data fetch */
@@ -240,7 +240,7 @@ avr32_xcptcommon:
 /* Save r8 and r8:                                                          */
 /*     xx xx xx xx xx xx xx xx xx SR PC LI 12 11 10 SR PC                   */
 /*                                ^                 ^+6*4 ^+8*4             */
- 
+
 	st.w	sp[6*4], r9
 	st.w	sp[7*4], r8
 
diff --git a/nuttx/arch/avr/src/avr32/up_initialstate.c b/nuttx/arch/avr/src/avr32/up_initialstate.c
index adfc95596..86138b616 100644
--- a/nuttx/arch/avr/src/avr32/up_initialstate.c
+++ b/nuttx/arch/avr/src/avr32/up_initialstate.c
@@ -91,7 +91,7 @@ void up_initial_state(struct tcb_s *tcb)
   /* No pending signal delivery */
 
   xcp->sigdeliver   = NULL;
-  
+
   /* Clear the frame pointer and link register since this is the outermost
    * frame.
    */
diff --git a/nuttx/arch/avr/src/avr32/up_releasepending.c b/nuttx/arch/avr/src/avr32/up_releasepending.c
index 00956e442..e144ca904 100644
--- a/nuttx/arch/avr/src/avr32/up_releasepending.c
+++ b/nuttx/arch/avr/src/avr32/up_releasepending.c
@@ -97,7 +97,7 @@ void up_release_pending(void)
 
            up_savestate(rtcb->xcp.regs);
 
-          /* Restore the exception context of the rtcb at the (new) head 
+          /* Restore the exception context of the rtcb at the (new) head
            * of the g_readytorun task list.
            */
 
diff --git a/nuttx/arch/avr/src/avr32/up_reprioritizertr.c b/nuttx/arch/avr/src/avr32/up_reprioritizertr.c
index 621f08613..07ee9c6a4 100644
--- a/nuttx/arch/avr/src/avr32/up_reprioritizertr.c
+++ b/nuttx/arch/avr/src/avr32/up_reprioritizertr.c
@@ -69,7 +69,7 @@
  *
  * Description:
  *   Called when the priority of a running or
- *   ready-to-run task changes and the reprioritization will 
+ *   ready-to-run task changes and the reprioritization will
  *   cause a context switch.  Two cases:
  *
  *   1) The priority of the currently running task drops and the next
@@ -152,7 +152,7 @@ void up_reprioritize_rtr(struct tcb_s *tcb, uint8_t priority)
 
                up_savestate(rtcb->xcp.regs);
 
-              /* Restore the exception context of the rtcb at the (new) head 
+              /* Restore the exception context of the rtcb at the (new) head
                * of the g_readytorun task list.
                */
 
diff --git a/nuttx/arch/avr/src/avr32/up_stackframe.c b/nuttx/arch/avr/src/avr32/up_stackframe.c
index a38370801..e53eee5ae 100644
--- a/nuttx/arch/avr/src/avr32/up_stackframe.c
+++ b/nuttx/arch/avr/src/avr32/up_stackframe.c
@@ -53,7 +53,7 @@
  * Pre-processor Macros
  ****************************************************************************/
 
-/* The AVR32 stack must be aligned at word (4 byte) boundaries. If necessary 
+/* The AVR32 stack must be aligned at word (4 byte) boundaries. If necessary
  * frame_size must be rounded up to the next boundary
  */
 
@@ -116,7 +116,7 @@ FAR void *up_stack_frame(FAR struct tcb_s *tcb, size_t frame_size)
   /* Align the frame_size */
 
   frame_size = STACK_ALIGN_UP(frame_size);
-  
+
   /* Is there already a stack allocated? Is it big enough? */
 
   if (!tcb->stack_alloc_ptr || tcb->adj_stack_size <= frame_size)
diff --git a/nuttx/arch/avr/src/avr32/up_unblocktask.c b/nuttx/arch/avr/src/avr32/up_unblocktask.c
index 1fcfa1dd7..42dc3d52a 100644
--- a/nuttx/arch/avr/src/avr32/up_unblocktask.c
+++ b/nuttx/arch/avr/src/avr32/up_unblocktask.c
@@ -109,7 +109,7 @@ void up_unblock_task(struct tcb_s *tcb)
       /* The currently active task has changed! We need to do
        * a context switch to the new task.
        *
-       * Are we in an interrupt handler? 
+       * Are we in an interrupt handler?
        */
 
       if (current_regs)
@@ -120,7 +120,7 @@ void up_unblock_task(struct tcb_s *tcb)
 
           up_savestate(rtcb->xcp.regs);
 
-          /* Restore the exception context of the rtcb at the (new) head 
+          /* Restore the exception context of the rtcb at the (new) head
            * of the g_readytorun task list.
            */