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Need to clear interrupt

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1819 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2009-05-23 14:30:07 +00:00
parent 4d1fd0a378
commit 887d40853e
1 changed files with 6 additions and 0 deletions
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arch/arm/src/lm3s/lm3s_ssi.c
+6
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@@ -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);