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authorMattias Wallin <mattias.wallin@stericsson.com>2010-12-03 13:19:13 +0100
committerPhilippe Langlais <philippe.langlais@stericsson.com>2012-05-22 11:01:07 +0200
commit4137ba67f41cc774da35446f6068f33fab46707f (patch)
treed0a9dba230504e6c040dbfa35200df0215abe3ea /kernel
parent20ca173468656b2a8e7505e4eab7acc917f927bc (diff)
irq: Allow threaded and nested irqs to be shared
This patch will make the threaded nested handler run all the registered shared action handlers and not just the first registered. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Change-Id: Ib484a2fa50186dbc05aedbcb9936518302ab801b Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/10494 Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/chip.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 3914c1e03cf..468bcbc5db4 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -266,7 +266,7 @@ void handle_nested_irq(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irqaction *action;
- irqreturn_t action_ret;
+ irqreturn_t action_ret = IRQ_NONE;
might_sleep();
@@ -281,7 +281,11 @@ void handle_nested_irq(unsigned int irq)
irqd_set(&desc->irq_data, IRQD_IRQ_INPROGRESS);
raw_spin_unlock_irq(&desc->lock);
- action_ret = action->thread_fn(action->irq, action->dev_id);
+ do {
+ action_ret |= action->thread_fn(action->irq, action->dev_id);
+ action = action->next;
+ } while (action);
+
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);