rtc: rtc-spear: convert spear_rtc_driver 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-spear.c b/drivers/rtc/rtc-spear.c
index db3ef61..574359c 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -434,10 +434,10 @@
return 0;
}
-#ifdef CONFIG_PM
-
-static int spear_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int spear_rtc_suspend(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct spear_rtc_config *config = platform_get_drvdata(pdev);
int irq;
@@ -453,8 +453,9 @@
return 0;
}
-static int spear_rtc_resume(struct platform_device *pdev)
+static int spear_rtc_resume(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct spear_rtc_config *config = platform_get_drvdata(pdev);
int irq;
@@ -472,12 +473,10 @@
return 0;
}
-
-#else
-#define spear_rtc_suspend NULL
-#define spear_rtc_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(spear_rtc_pm_ops, spear_rtc_suspend, spear_rtc_resume);
+
static void spear_rtc_shutdown(struct platform_device *pdev)
{
struct spear_rtc_config *config = platform_get_drvdata(pdev);
@@ -497,11 +496,10 @@
static struct platform_driver spear_rtc_driver = {
.probe = spear_rtc_probe,
.remove = spear_rtc_remove,
- .suspend = spear_rtc_suspend,
- .resume = spear_rtc_resume,
.shutdown = spear_rtc_shutdown,
.driver = {
.name = "rtc-spear",
+ .pm = &spear_rtc_pm_ops,
.of_match_table = of_match_ptr(spear_rtc_id_table),
},
};