From 887d40853e3f73a6035cc0925b049dc2cd5781a2 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sat, 23 May 2009 14:30:07 +0000
Subject: [PATCH] Need to clear interrupt
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1819 42af7a65-404d-4744-a932-0658087f49c3
---
arch/arm/src/lm3s/lm3s_ssi.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/src/lm3s/lm3s_ssi.c b/arch/arm/src/lm3s/lm3s_ssi.c
index a880d2b239..4370a05fe7 100755
--- a/arch/arm/src/lm3s/lm3s_ssi.c
+++ b/arch/arm/src/lm3s/lm3s_ssi.c
@@ -760,10 +760,16 @@ static inline struct lm32_ssidev_s *ssi_mapirq(int irq)
static int ssi_interrupt(int irq, void *context)
{
struct lm32_ssidev_s *priv = ssi_mapirq(irq);
+ uint32 regval;
int ntxd;
DEBUGASSERT(priv != NULL);
+ /* Clear pending interrupts */
+
+ regval = ssi_getreg(priv, LM3S_SSI_RIS_OFFSET);
+ ssi_putreg(priv, LM3S_SSI_ICR_OFFSET, regval);
+
/* Handle outgoing Tx FIFO transfers */
ntxd = ssi_performtx(priv);
--
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