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Date: Fri, 09 Mar 2012 11:02:21 -0800 From: Greg KH <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Roland Stigge <stigge@...com.de> Subject: [ 07/68] ARM: LPC32xx: irq.c: Clear latched event 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Roland Stigge <stigge@...com.de> commit 94ed7830cba4dce57b18a2926b5d826bfd184bd6 upstream. This patch fixes the wakeup disable function by clearing latched events. Signed-off-by: Roland Stigge <stigge@...com.de> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/arm/mach-lpc32xx/irq.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) --- a/arch/arm/mach-lpc32xx/irq.c +++ b/arch/arm/mach-lpc32xx/irq.c @@ -305,9 +305,18 @@ static int lpc32xx_irq_wake(struct irq_d 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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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