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

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This patch enables the alarm interrupt of TWL4030 RTC to wake up the
system from suspend. You can test this patch with following command.

# echo +10 > /sys/class/rtc/rtc0/wakealarm; echo mem > /sys/power/state;

Signed-off-by: Kim Kyuwon <q1.kim@samsung.com>
Acked-by: David Brownell <david-b@pacbell.net>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kim Kyuwon 2009-05-12 13:19:38 -07:00 committed by Linus Torvalds
parent ecf4667d30
commit f993004d73
1 changed files with 1 additions and 3 deletions
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4
drivers/rtc/rtc-twl4030.c
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@ -495,9 +495,7 @@ static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state)
{
irqstat = rtc_irq_bits;
/* REVISIT alarm may need to wake us from sleep */
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M |
BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
return 0;
}