Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw

[cascardo/linux.git] / drivers / rtc / rtc-s3c.c

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index b3466c4..16512ec 100644 (file)
--- 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;
 }