rtc: rtc-stmp3xxx: convert stmp3xxx_rtcdrv to dev_pm_ops
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 0930f27..a9cd26a 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -297,15 +297,15 @@
return err;
}
-#ifdef CONFIG_PM
-static int stmp3xxx_rtc_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int stmp3xxx_rtc_suspend(struct device *dev)
{
return 0;
}
-static int stmp3xxx_rtc_resume(struct platform_device *dev)
+static int stmp3xxx_rtc_resume(struct device *dev)
{
- struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(dev);
+ struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
mxs_reset_block(rtc_data->io);
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
@@ -314,11 +314,11 @@
rtc_data->io + STMP3XXX_RTC_PERSISTENT0_CLR);
return 0;
}
-#else
-#define stmp3xxx_rtc_suspend NULL
-#define stmp3xxx_rtc_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(stmp3xxx_rtc_pm_ops, stmp3xxx_rtc_suspend,
+ stmp3xxx_rtc_resume);
+
static const struct of_device_id rtc_dt_ids[] = {
{ .compatible = "fsl,stmp3xxx-rtc", },
{ /* sentinel */ }
@@ -328,11 +328,10 @@
static struct platform_driver stmp3xxx_rtcdrv = {
.probe = stmp3xxx_rtc_probe,
.remove = stmp3xxx_rtc_remove,
- .suspend = stmp3xxx_rtc_suspend,
- .resume = stmp3xxx_rtc_resume,
.driver = {
.name = "stmp3xxx-rtc",
.owner = THIS_MODULE,
+ .pm = &stmp3xxx_rtc_pm_ops,
.of_match_table = of_match_ptr(rtc_dt_ids),
},
};