Add logic to clear pending EMAC interrupts

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3118 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 3 insertions, 27 deletions

diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_irq.c b/nuttx/arch/arm/src/lpc17xx/lpc17_irq.c
index 59802d87d..649db985f 100755
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_irq.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_irq.c
@@ -260,33 +260,6 @@ static int lpc17_irqinfo(int irq, uint32_t *regaddr, uint32_t *bit)
 }
 
 /****************************************************************************
- * Name: lpc17_clrpend
- *
- * Description:
- *  Clear a pending interrupt.
- *
- ****************************************************************************/
-
-static inline void lpc17_clrpend(int irq)
-{
-#if 0 /* Necessary? */
-  /* Check for external interrupt */
-
-  if (irq >= LPC17_IRQ_EXTINT)
-    {
-      if (irq < (LPC17_IRQ_EXTINT+32))
-        {
-          putreg32(1 << (irq - LPC17_IRQ_EXTINT), NVIC_IRQ0_31_CLRPEND);
-        }
-      else if (irq < LPC17_IRQ_NIRQS)
-        {
-          putreg32(1 << (irq - LPC17_IRQ_EXTINT - 32), NVIC_IRQ32_63_CLRPEND);
-        }
-    }
-#endif
-}
-
-/****************************************************************************
  * Public Functions
  ****************************************************************************/
 
@@ -453,7 +426,10 @@ void up_enable_irq(int irq)
 void up_maskack_irq(int irq)
 {
   up_disable_irq(irq);
+
+#if 0 /* Does not appear to be necessary in most cases */
   lpc17_clrpend(irq);
+#endif
 }
 
 /****************************************************************************