Cosmetic changes to comments and README

arch/arm/src/tiva/tiva_dumpgpio.c

@@ -204,6 +204,7 @@ static inline uint8_t tiva_gpioport(int port)
 
 int tiva_dumpgpio(uint32_t pinset, const char *msg)
 {
+#ifdef CONFIG_DEBUG
   irqstate_t   flags;
   unsigned int port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
   uintptr_t    base;
@@ -242,6 +243,9 @@ int tiva_dumpgpio(uint32_t pinset, const char *msg)
             getreg32(base + TIVA_GPIO_PUR_OFFSET), getreg32(base + TIVA_GPIO_PDR_OFFSET),
             getreg32(base + TIVA_GPIO_SLR_OFFSET));
     }
+
   irqrestore(flags);
+#endif /* CONFIG_DEBUG */
+
   return OK;
 }

arch/arm/src/tiva/tiva_ssi.c

@@ -834,6 +834,7 @@ static int ssi_transfer(struct tiva_ssidev_s *priv, const void *txbuffer,
           ssi_getreg(priv, TIVA_SSI_SR_OFFSET));
 
   ntxd  = ssi_performtx(priv);
+  UNUSED(ntxd);
 
   /* For the case where nwords < Tx FIFO size, ssi_performrx will
    * configure interrupts correctly for the final phase of the
@@ -873,6 +874,7 @@ static int ssi_transfer(struct tiva_ssidev_s *priv, const void *txbuffer,
       /* Handle outgoing Tx FIFO transfers */
 
       ntxd = ssi_performtx(priv);
+      UNUSED(ntxd);
 
       /* Handle incoming Rx FIFO transfers */
 
@@ -886,6 +888,7 @@ static int ssi_transfer(struct tiva_ssidev_s *priv, const void *txbuffer,
     }
   while (priv->nrxwords < priv->nwords);
 #endif
+
   return OK;
 }
 
@@ -996,6 +999,7 @@ static int ssi_interrupt(int irq, void *context)
       ssidbg("Transfer complete\n");
       ssi_semgive(&priv->xfrsem);
     }
+
   return OK;
 }
 #endif
@@ -1043,6 +1047,7 @@ static int ssi_lock(FAR struct spi_dev_s *dev, bool lock)
     {
       (void)sem_post(&priv->exclsem);
     }
+
   return OK;
 }
 #endif
@@ -1160,8 +1165,10 @@ static uint32_t ssi_setfrequencyinternal(struct tiva_ssidev_s *priv,
       priv->frequency = frequency;
       priv->actual    = actual;
     }
+
   return priv->actual;
 #else
+
   return actual;
 #endif
 }

configs/lm4f120-launchpad/README.txt

@@ -487,7 +487,7 @@ Serial Console
     UART1_CTS - PF.1 or PC.5
 
   NOTE: board.h currently selects PB.0, PB.1, PF.0 and PF.1 for UART1, but
-  that can be changed by editting board.h
+  that can be changed by editing board.h
 
   UART2-5, 7 are also available, UART2 is not recommended because it shares
   some pin usage with USB device mode.  UART6 is not available because its

drivers/mmcsd/mmcsd_spi.c

@@ -1035,6 +1035,7 @@ static int mmcsd_xmitblock(FAR struct mmcsd_slot_s *slot, const uint8_t *buffer,
       fdbg("Bad data response: %02x\n", response);
       return -EIO;
     }
+
   return OK;
 }
 #endif /* CONFIG_FS_WRITABLE && !CONFIG_MMCSD_READONLY */
@@ -1089,7 +1090,7 @@ static int mmcsd_open(FAR struct inode *inode)
 
       if (slot->type == MMCSD_CARDTYPE_UNKNOWN)
         {
-          /* Ininitialize for the media in the slot */
+          /* Initialize for the media in the slot */
 
           ret = mmcsd_mediainitialize(slot);
           if (ret < 0)
@@ -1188,6 +1189,8 @@ static ssize_t mmcsd_read(FAR struct inode *inode, unsigned char *buffer,
   /* Convert sector and nsectors to nbytes and byte offset */
 
   nbytes = nsectors * SECTORSIZE(slot);
+  UNUSED(nbytes);
+
   if (IS_BLOCK(slot->type))
     {
       offset = start_sector;
@@ -1402,7 +1405,7 @@ static ssize_t mmcsd_write(FAR struct inode *inode, const unsigned char *buffer,
        }
 
       /* Send CMD25:  Continuously write blocks of data until the
-       * tranmission is stopped.
+       * transmission is stopped.
        */
 
       response = mmcsd_sendcmd(slot, &g_cmd25, offset);
@@ -1850,6 +1853,7 @@ static void mmcsd_mediachanged(void *arg)
       return;
     }
 #endif
+
   spi  = slot->spi;
 
   /* Save the current slot state and reassess the new state */
@@ -1957,7 +1961,7 @@ int mmcsd_spislotinitialize(int minor, int slotno, FAR struct spi_dev_s *spi)
   mmcsd_semtake(slot);
   mmcsd_spiinit(slot);
 
-  /* Ininitialize for the media in the slot (if any) */
+  /* Initialize for the media in the slot (if any) */
 
   ret = mmcsd_mediainitialize(slot);
   mmcsd_semgive(slot);