From: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Date: Fri, 25 Apr 2008 13:16:17 +0000 (+0200)
Subject: ns9xxx: check for irq lockups
X-Git-Tag: MMI-PSA29.97-13-9~34390^2~4^2~1
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a57a0b1d0f66da5ff5dc8f1a5a999f4d2f66090a;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

ns9xxx: check for irq lockups

When I copy-adapted handle_level_irq I skipped note_interrupt because
I considered it unimportant.  If I had understand its importance I would
have saved myself some ours of debugging.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
---

diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
index ba7a9e4888f0..75f2070dec7b 100644
--- a/arch/arm/mach-ns9xxx/irq.c
+++ b/arch/arm/mach-ns9xxx/irq.c
@@ -78,6 +78,11 @@ void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
 
 	action_ret = handle_IRQ_event(irq, action);
 
+	/* XXX: There is no direct way to access noirqdebug, so check
+	 * unconditionally for spurious irqs...
+	 * Maybe this function should go to kernel/irq/chip.c? */
+	note_interrupt(irq, desc, action_ret);
+
 	spin_lock(&desc->lock);
 	desc->status &= ~IRQ_INPROGRESS;