From 788541aecf42deb34d49792c673fbf0b4cb35836 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 28 Dec 2014 16:55:47 -0600
Subject: [PATCH] Tiva SSI: Fix some recent breakage to the Tiva SSI driver for
 the case where only one SSI modules is enabled

---
 arch/arm/src/tiva/tiva_ssi.c              | 20 ++++++++++++++++++++
 configs/lm4f120-launchpad/src/lm4f_boot.c |  4 ++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/arch/arm/src/tiva/tiva_ssi.c b/arch/arm/src/tiva/tiva_ssi.c
index df02398220..8cd858290d 100644
--- a/arch/arm/src/tiva/tiva_ssi.c
+++ b/arch/arm/src/tiva/tiva_ssi.c
@@ -137,6 +137,26 @@
 
 #if NSSI_ENABLED > 0
 
+/* Some special definitions if there is exactly one interface enabled */
+
+#if NSSI_ENABLED < 2
+#  if defined(CONFIG_TIVA_SSI0)
+#    define SSI_BASE TIVA_SSI0_BASE
+#    define SSI_IRQ  TIVA_IRQ_SSI0
+#  elif defined(CONFIG_TIVA_SSI0)
+#    define SSI_BASE TIVA_SSI1_BASE
+#    define SSI_IRQ  TIVA_IRQ_SSI1
+#  elif defined(CONFIG_TIVA_SSI0)
+#    define SSI_BASE TIVA_SSI2_BASE
+#    define SSI_IRQ  TIVA_IRQ_SSI2
+#  elif defined(CONFIG_TIVA_SSI0)
+#    define SSI_BASE TIVA_SSI3_BASE
+#    define SSI_IRQ  TIVA_IRQ_SSI3
+#  else
+#    error Help me... I am confused
+#  endif
+#endif
+
 /* The number of (16-bit) words that will fit in the Tx FIFO */
 
 #define TIVA_TXFIFO_WORDS 8
diff --git a/configs/lm4f120-launchpad/src/lm4f_boot.c b/configs/lm4f120-launchpad/src/lm4f_boot.c
index 73d0acdcbb..41f7d05d8e 100644
--- a/configs/lm4f120-launchpad/src/lm4f_boot.c
+++ b/configs/lm4f120-launchpad/src/lm4f_boot.c
@@ -49,7 +49,7 @@
 #include "lmf4120-launchpad.h"
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /************************************************************************************
@@ -65,7 +65,7 @@
  *
  * Description:
  *   All Stellaris architectures must provide the following entry point.  This entry
- *   point is called early in the intitialization -- after all memory has been
+ *   point is called early in the initialization -- after all memory has been
  *   configured and mapped but before any devices have been initialized.
  *
  ************************************************************************************/