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ARM: LPC32xx: irq.c: Clear latched event

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This patch fixes the wakeup disable function by clearing latched events.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
This commit is contained in:
Roland Stigge 2012-02-27 17:28:02 +01:00
parent 35dd0a75d4
commit 94ed7830cb
1 changed files with 10 additions and 1 deletions
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11
arch/arm/mach-lpc32xx/irq.c
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@ -309,9 +309,18 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state)
if (state)
eventreg |= lpc32xx_events[d->irq].mask;
else
else {
eventreg &= ~lpc32xx_events[d->irq].mask;
/*
* When disabling the wakeup, clear the latched
* event
*/
__raw_writel(lpc32xx_events[d->irq].mask,
lpc32xx_events[d->irq].
event_group->rawstat_reg);
}
__raw_writel(eventreg,
lpc32xx_events[d->irq].event_group->enab_reg);