Remove dangling whitespace at the end of lines

drivers/wireless/ieee802154/at86rf23x.c

@@ -217,7 +217,7 @@ static const struct ieee802154_radioops_s at86rf23x_devops =
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
- 
+
 /****************************************************************************
  * Name: at86rf23x_lock
  *

drivers/wireless/ieee802154/mrf24j40.c

@@ -114,7 +114,7 @@ struct mrf24j40_txdesc_s
 struct mrf24j40_radio_s
 {
   struct ieee802154_radio_s radio;  /* The public device instance */
-  FAR struct ieee802154_radiocb_s *radiocb; /* Registered callbacks */      
+  FAR struct ieee802154_radiocb_s *radiocb; /* Registered callbacks */
 
   /* Low-level MCU-specific support */
 
@@ -310,7 +310,7 @@ static int mrf24j40_txnotify_csma(FAR struct ieee802154_radio_s *radio)
  *   2. When new TX data is available (mrf24j40_txnotify_csma), and
  *   3. After a TX timeout to restart the sending process
  *      (mrf24j40_txtimeout_csma).
- *  
+ *
  * Parameters:
  *   radio  - Reference to the radio driver state structure
  *
@@ -329,7 +329,7 @@ static void mrf24j40_dopoll_csma(FAR void *arg)
   /* Get exclusive access to the driver */
 
   while (sem_wait(&dev->exclsem) != 0) { }
-  
+
   /* If this a CSMA transaction and we have room in the CSMA fifo */
 
   if (!dev->csma_desc.busy)
@@ -401,7 +401,7 @@ static int mrf24j40_txnotify_gts(FAR struct ieee802154_radio_s *radio)
  *   2. When new TX data is available (mrf24j40_txnotify_gts), and
  *   3. After a TX timeout to restart the sending process
  *      (mrf24j40_txtimeout_gts).
- *  
+ *
  * Parameters:
  *   arg  - Reference to the radio driver state structure
  *
@@ -440,7 +440,7 @@ static void mrf24j40_dopoll_gts(FAR void *arg)
             }
         }
     }
-  
+
   sem_post(&dev->exclsem);
 }
 
@@ -754,7 +754,7 @@ static int mrf24j40_getchannel(FAR struct mrf24j40_radio_s *dev,
                                FAR uint8_t *chan)
 {
   *chan = dev->channel;
-  
+
   return OK;
 }
 
@@ -1369,7 +1369,7 @@ static int mrf24j40_csma_setup(FAR struct mrf24j40_radio_s *dev,
  * Name: mrf24j40_gts_setup
  *
  * Description:
- *   Setup a GTS transaction in one of the GTS FIFOs 
+ *   Setup a GTS transaction in one of the GTS FIFOs
  *
  ****************************************************************************/
 
@@ -1435,7 +1435,7 @@ static int mrf24j40_setup_fifo(FAR struct mrf24j40_radio_s *dev,
     {
       mrf24j40_setreg(dev->spi, fifo_addr++, frame->io_data[ret]);
     }
-  
+
   return ret;
 }
 
@@ -1764,7 +1764,7 @@ FAR struct ieee802154_radio_s *mrf24j40_init(FAR struct spi_dev_s *spi,
     {
       return NULL;
     }
-  
+
   /* Attach irq */
 
   if (lower->attach(lower, mrf24j40_interrupt, dev) != OK)

drivers/wireless/ieee802154/mrf24j40.h

@@ -167,10 +167,10 @@
 
 /* RXMCR bits */
 
-#define MRF24J40_RXMCR_PROMI       (1 << 0) /* Enable promisc mode (rx all valid packets) */ 
-#define MRF24J40_RXMCR_ERRPKT      0x02 /* Do not check CRC */ 
+#define MRF24J40_RXMCR_PROMI       (1 << 0) /* Enable promisc mode (rx all valid packets) */
+#define MRF24J40_RXMCR_ERRPKT      0x02 /* Do not check CRC */
 #define MRF24J40_RXMCR_COORD       0x04 /* Enable coordinator mode     ??? DIFFERENCE ??? - not used in datasheet! */
-#define MRF24J40_RXMCR_PANCOORD    0x08 /* Enable PAN coordinator mode ??? DIFFERENCE ??? */ 
+#define MRF24J40_RXMCR_PANCOORD    0x08 /* Enable PAN coordinator mode ??? DIFFERENCE ??? */
 #define MRF24J40_RXMCR_NOACKRSP    0x20 /* Enable auto ACK when a packet is rxed */
 
 /* TXMCR bits */

include/nuttx/wireless/ieee802154/ieee802154_radio.h

@@ -162,18 +162,18 @@ struct ieee802154_netradio_s
  * identical members but with a different name. */
 
 #ifdef CONFIG_IEEE802154_RANGING
-#define IEEE802154_TXDESC_FIELDS \ 
+#define IEEE802154_TXDESC_FIELDS \
   uint8_t handle; \
   uint32_t timestamp; \
   uint8_t status;
 #else
-#define IEEE802154_TXDESC_FIELDS \ 
+#define IEEE802154_TXDESC_FIELDS \
   uint8_t handle; \
   uint32_t timestamp; \
   uint8_t status;
   bool rng_rcvd; \
-  uint32_t rng_counter_start; \ 
-  uint32_t rng_counter_stop; \ 
+  uint32_t rng_counter_start; \
+  uint32_t rng_counter_stop; \
   uint32_t rng_tracking_interval; \
   uint32_t rng_offset;\
   uint8_t rng_fom;

wireless/ieee802154/mac802154.h

@@ -105,7 +105,7 @@ int mac802154_ioctl(MACHANDLE mac, int cmd, unsigned long arg);
  *
  ****************************************************************************/
 
-int mac802154_get_mhrlen(MACHANDLE mac, 
+int mac802154_get_mhrlen(MACHANDLE mac,
                          FAR struct ieee802154_frame_meta_s *meta);
 
 /****************************************************************************

wireless/ieee802154/mac802154_device.c

@@ -446,7 +446,7 @@ static ssize_t mac802154dev_write(FAR struct file *filep,
       wlerr("ERROR: TX meta-data is invalid");
       return ret;
     }
-    
+
   iob->io_offset = ret;
   iob->io_len = iob->io_offset;