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irq_work: Remove return value from the irq_work_queue() function

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As no one is using the return value of irq_work_queue(),
so it is better to just make it void.

Signed-off-by: anish kumar <anish198519851985@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[ Fix stale comments, remove now unnecessary __irq_work_queue() intermediate function ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1359925703-24304-1-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
anish kumar 2013-02-03 22:08:23 +01:00 committed by Ingo Molnar
parent 786133f6e8
commit c02cf5f8ed
2 changed files with 11 additions and 22 deletions
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2
include/linux/irq_work.h
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@ -16,7 +16,7 @@ void init_irq_work(struct irq_work *work, void (*func)(struct irq_work *))
work->func = func;
}
bool irq_work_queue(struct irq_work *work);
void irq_work_queue(struct irq_work *work);
void irq_work_run(void);
void irq_work_sync(struct irq_work *work);

31
kernel/irq_work.c
View File

@ -63,12 +63,20 @@ void __weak arch_irq_work_raise(void)
}
/*
* Queue the entry and raise the IPI if needed.
* Enqueue the irq_work @entry unless it's already pending
* somewhere.
*
* Can be re-enqueued while the callback is still in progress.
*/
static void __irq_work_queue(struct irq_work *work)
void irq_work_queue(struct irq_work *work)
{
bool empty;
/* Only queue if not already pending */
if (!irq_work_claim(work))
return;
/* Queue the entry and raise the IPI if needed. */
preempt_disable();
empty = llist_add(&work->llnode, &__get_cpu_var(irq_work_list));
@ -78,25 +86,6 @@ static void __irq_work_queue(struct irq_work *work)
preempt_enable();
}
/*
* Enqueue the irq_work @entry, returns true on success, failure when the
* @entry was already enqueued by someone else.
*
* Can be re-enqueued while the callback is still in progress.
*/
bool irq_work_queue(struct irq_work *work)
{
if (!irq_work_claim(work)) {
/*
* Already enqueued, can't do!
*/
return false;
}
__irq_work_queue(work);
return true;
}
EXPORT_SYMBOL_GPL(irq_work_queue);
/*