From 2a1212bf4858d5012fa4ed5d0304312eb3089f23 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 7 Apr 2014 15:28:04 -0600
Subject: [PATCH] Cosmetic changes to comments and README

---
 arch/arm/src/tiva/tiva_dumpgpio.c | 4 ++++
 arch/arm/src/tiva/tiva_ssi.c      | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm/src/tiva/tiva_dumpgpio.c b/arch/arm/src/tiva/tiva_dumpgpio.c
index d6c562e1e96..0a326afec91 100644
--- a/arch/arm/src/tiva/tiva_dumpgpio.c
+++ b/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;
 }
diff --git a/arch/arm/src/tiva/tiva_ssi.c b/arch/arm/src/tiva/tiva_ssi.c
index 4c62b13e50f..d77a2edd63d 100644
--- a/arch/arm/src/tiva/tiva_ssi.c
+++ b/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
 }