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-rw-r--r--drivers/rtc/rtc-mv.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index c27ad626d09f..f88976fd6d5d 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -301,6 +301,28 @@ static const struct of_device_id rtc_mv_of_match_table[] = {
MODULE_DEVICE_TABLE(of, rtc_mv_of_match_table);
#endif
+#ifdef CONFIG_PM_SLEEP
+static int mv_rtc_suspend(struct device *dev)
+{
+ struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+
+ if (device_may_wakeup(dev) && pdata->irq >= 0)
+ enable_irq_wake(pdata->irq);
+ return 0;
+}
+
+static int mv_rtc_resume(struct device *dev)
+{
+ struct rtc_plat_data *pdata = dev_get_drvdata(dev);
+
+ if (device_may_wakeup(dev) && pdata->irq >= 0)
+ disable_irq_wake(pdata->irq);
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(mv_rtc_pm_ops, mv_rtc_suspend, mv_rtc_resume);
+
/*
* mv_rtc_remove() lives in .exit.text. For drivers registered via
* module_platform_driver_probe() this is ok because they cannot get unbound at
@@ -312,6 +334,7 @@ static struct platform_driver mv_rtc_driver __refdata = {
.driver = {
.name = "rtc-mv",
.of_match_table = of_match_ptr(rtc_mv_of_match_table),
+ .pm = &mv_rtc_pm_ops,
},
};