From ab27747484ebd3bdb2d98848a74ff7d7b4248c7a Mon Sep 17 00:00:00 2001
From: "Anton D. Kachalov" <mouse@yandex-team.ru>
Date: Wed, 29 Jul 2015 10:16:49 +0300
Subject: [PATCH] [arm/src/moxart/irq] irq_decode: process several interrupts
 at once

Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
---
 arch/arm/src/moxart/moxart_irq.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/arch/arm/src/moxart/moxart_irq.c b/arch/arm/src/moxart/moxart_irq.c
index a86c4ce7972..4b6b81a2f6e 100644
--- a/arch/arm/src/moxart/moxart_irq.c
+++ b/arch/arm/src/moxart/moxart_irq.c
@@ -135,7 +135,7 @@ void up_irqinitialize(void)
 #endif
 }
 
-static inline void ftintc010_mask_irq(int irq)
+inline void ftintc010_mask_irq(int irq)
 {
   /*
    * 0: masked
@@ -274,17 +274,19 @@ void up_decodeirq(uint32_t *regs)
 
   /* Detect & deliver the IRQ */
   status = getreg32(IRQ_REG(IRQ__STATUS));
-  if (!status)
-    return;
+  while (status != 0)
+    {
+      /* Ack IRQ */
+      num = ffs(status) - 1;
+      up_ack_irq(num);
 
-  /* Ack IRQ */
-  num = ffs(status) - 1;
-  up_ack_irq(num);
+      DEBUGASSERT(current_regs == NULL);
+      current_regs = regs;
 
-  DEBUGASSERT(current_regs == NULL);
-  current_regs = regs;
+      irq_dispatch(num, regs);
 
-  irq_dispatch(num, regs);
+      current_regs = NULL;
 
-  current_regs = NULL;
+      status = getreg32(IRQ_REG(IRQ__STATUS));
+    }
 }