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path: root/drivers/rtc/rtc-s3c.c
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Diffstat (limited to 'drivers/rtc/rtc-s3c.c')
-rw-r--r--drivers/rtc/rtc-s3c.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index b3466c491cd3..16512ecae31a 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -46,6 +46,7 @@ static struct clk *rtc_clk;
static void __iomem *s3c_rtc_base;
static int s3c_rtc_alarmno = NO_IRQ;
static int s3c_rtc_tickno = NO_IRQ;
+static bool wake_en;
static enum s3c_cpu_type s3c_rtc_cpu_type;
static DEFINE_SPINLOCK(s3c_rtc_pie_lock);
@@ -562,8 +563,12 @@ static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state)
}
s3c_rtc_enable(pdev, 0);
- if (device_may_wakeup(&pdev->dev))
- enable_irq_wake(s3c_rtc_alarmno);
+ if (device_may_wakeup(&pdev->dev) && !wake_en) {
+ if (enable_irq_wake(s3c_rtc_alarmno) == 0)
+ wake_en = true;
+ else
+ dev_err(&pdev->dev, "enable_irq_wake failed\n");
+ }
return 0;
}
@@ -579,8 +584,10 @@ static int s3c_rtc_resume(struct platform_device *pdev)
writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON);
}
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(&pdev->dev) && wake_en) {
disable_irq_wake(s3c_rtc_alarmno);
+ wake_en = false;
+ }
return 0;
}