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[arm/src/moxart/irq] irq_decode: process one irq at once

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Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
This commit is contained in:
Anton D. Kachalov
2015-07-29 10:17:44 +03:00
parent ab27747484
commit b10095ed59
1 changed files with 9 additions and 11 deletions
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arch/arm/src/moxart/moxart_irq.c
+9 -11
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@@ -274,19 +274,17 @@ void up_decodeirq(uint32_t *regs)
/* Detect & deliver the IRQ */
status = getreg32(IRQ_REG(IRQ__STATUS));
while (status != 0)
{
/* Ack IRQ */
num = ffs(status) - 1;
up_ack_irq(num);
if (!status)
return;
DEBUGASSERT(current_regs == NULL);
current_regs = regs;
/* Ack IRQ */
num = ffs(status) - 1;
up_ack_irq(num);
irq_dispatch(num, regs);
DEBUGASSERT(current_regs == NULL);
current_regs = regs;
current_regs = NULL;
irq_dispatch(num, regs);
status = getreg32(IRQ_REG(IRQ__STATUS));
}
current_regs = NULL;
}