rtc: rtc-twl4030 don't mask alarm interrupts on suspend
authorKim Kyuwon <q1.kim@samsung.com>
Tue, 12 May 2009 20:19:38 +0000 (13:19 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 12 May 2009 21:11:35 +0000 (14:11 -0700)
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>
drivers/rtc/rtc-twl4030.c

index a6341e4f9a0ff9e489c017fe8ea6e7e81474dc35..9c8c70c497dcc6a515b44d71035bd313d3955116 100644 (file)
@@ -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;
 }