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From c87b3232a374940cf5cf45242eeae2da48395799 Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Wed, 24 Dec 2014 12:27:21 +0300
Subject: [PATCH 20/20] irq: HACK around for handling irq0 when we should
Instead of backporting large patches changing IRQ handling on sa1100,
just make handle_domain_irq handle irq 0 as usual.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
kernel/irq/irqdesc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 99793b9..06ca4e6 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -381,7 +381,7 @@ int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq,
* Some hardware gives randomly wrong interrupts. Rather
* than crashing, do something sensible.
*/
- if (unlikely(!irq || irq >= nr_irqs)) {
+ if (unlikely(/*!irq || */irq >= nr_irqs)) {
ack_bad_irq(irq);
ret = -EINVAL;
} else {
--
1.9.1
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