AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

genirq: Use handle_irq_event() in the spurious poll code

Browse Source 
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-02-07 01:29:15 +01:00
parent 849f061c25
commit 0877d66257
1 changed files with 9 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
kernel/irq/spurious.c
View File

@ -56,13 +56,14 @@ bool irq_wait_for_poll(struct irq_desc *desc)
#endif
}
/*
* Recovery handler for misrouted interrupts.
*/
static int try_one_irq(int irq, struct irq_desc *desc, bool force)
{
irqreturn_t ret = IRQ_NONE;
struct irqaction *action;
int ok = 0;
raw_spin_lock(&desc->lock);
@ -96,21 +97,17 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force)
goto out;
}
/* Honour the normal IRQ locking and mark it poll in progress */
desc->status |= IRQ_INPROGRESS | IRQ_POLL_INPROGRESS;
/* Mark it poll in progress */
desc->status |= IRQ_POLL_INPROGRESS;
do {
desc->status &= ~IRQ_PENDING;
raw_spin_unlock(&desc->lock);
if (handle_IRQ_event(irq, action) != IRQ_NONE)
ok = 1;
raw_spin_lock(&desc->lock);
if (handle_irq_event(desc) == IRQ_HANDLED)
ret = IRQ_HANDLED;
action = desc->action;
} while ((desc->status & IRQ_PENDING) && action);
desc->status &= ~(IRQ_INPROGRESS | IRQ_POLL_INPROGRESS);
} while ((desc->status & IRQ_PENDING) && action);
desc->status &= ~IRQ_POLL_INPROGRESS;
out:
raw_spin_unlock(&desc->lock);
return ok;
return ret == IRQ_HANDLED;
}
static int misrouted_irq(int irq)