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rtc: rtc-twl4030 don't mask alarm interrupts on shutdown

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A triggering RTC alarm should be able to power on a device that has been
powered off. This patch enables that on twl4030 by not masking the alarm
interrupt at shutdown.

Signed-off-by: Matti Halme <matti.halme@nokia.com>
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matti Halme 2009-01-15 13:50:56 -08:00 committed by Linus Torvalds
parent 4216d0bd8f
commit cafa1d8b0c
1 changed files with 3 additions and 2 deletions
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5
drivers/rtc/rtc-twl4030.c
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@ -482,8 +482,9 @@ static int __devexit twl4030_rtc_remove(struct platform_device *pdev)
static void twl4030_rtc_shutdown(struct platform_device *pdev)
{
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M |
BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
/* mask timer interrupts, but leave alarm interrupts on to enable
power-on when alarm is triggered */
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
}
#ifdef CONFIG_PM