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authorRandy Dunlap <randy.dunlap@oracle.com>2011-05-20 09:10:04 -0700
committerRandy Dunlap <randy.dunlap@oracle.com>2011-05-20 09:10:04 -0700
commit2f3e4af471e38e0658e701973238ae4b5e50fcd6 (patch)
treefbfc99c0d975e38ff80f4ff3239a9fc0567b8a4d /drivers/rtc/rtc-s3c.c
parent61516587513c84ac26e68e3ab008dc6e965d0378 (diff)
parentd410fa4ef99112386de5f218dd7df7b4fca910b4 (diff)
Merge branch 'docs-security' into docs-move
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 b3466c491cd..16512ecae31 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;
}