Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android

[firefly-linux-kernel-4.4.55.git] / drivers / rtc / rtc-mt6397.c

diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index eab230be5a54fdfcfd9c41f39e0d9f1cb515a9e4..06a5c52b292f292fd619a4049ba264e84b064f70 100644 (file)
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -373,15 +373,42 @@ static int mtk_rtc_remove(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int mt6397_rtc_suspend(struct device *dev)
+{
+       struct mt6397_rtc *rtc = dev_get_drvdata(dev);
+
+       if (device_may_wakeup(dev))
+               enable_irq_wake(rtc->irq);
+
+       return 0;
+}
+
+static int mt6397_rtc_resume(struct device *dev)
+{
+       struct mt6397_rtc *rtc = dev_get_drvdata(dev);
+
+       if (device_may_wakeup(dev))
+               disable_irq_wake(rtc->irq);
+
+       return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_rtc_suspend,
+                       mt6397_rtc_resume);
+
 static const struct of_device_id mt6397_rtc_of_match[] = {
        { .compatible = "mediatek,mt6397-rtc", },
        { }
 };
+MODULE_DEVICE_TABLE(of, mt6397_rtc_of_match);
 
 static struct platform_driver mtk_rtc_driver = {
        .driver = {
                .name = "mt6397-rtc",
                .of_match_table = mt6397_rtc_of_match,
+               .pm = &mt6397_pm_ops,
        },
        .probe  = mtk_rtc_probe,
        .remove = mtk_rtc_remove,