[PATCH 06/10] rtc: rtc-sh: switch to using SIMPLE_DEV_PM_OPS

[Jingoo Han <jg1.han@samsung.com>]

Switch to using SIMPLE_DEV_PM_OPS  macro to declare the driver's
pm_ops. It reduces code size. Also, CONFIG_PM_SLEEP is added to
prevent build warning when CONFIG_PM_SLEEP is not selected.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
 drivers/rtc/rtc-sh.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 5f47085..8d5bd2e 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -790,6 +790,7 @@ static void sh_rtc_set_irq_wake(struct device *dev, int enabled)
 	}
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int sh_rtc_suspend(struct device *dev)
 {
 	if (device_may_wakeup(dev))
@@ -805,17 +806,15 @@ static int sh_rtc_resume(struct device *dev)
 
 	return 0;
 }
+#endif
 
-static const struct dev_pm_ops sh_rtc_dev_pm_ops = {
-	.suspend = sh_rtc_suspend,
-	.resume = sh_rtc_resume,
-};
+static SIMPLE_DEV_PM_OPS(sh_rtc_pm_ops, sh_rtc_suspend, sh_rtc_resume);
 
 static struct platform_driver sh_rtc_platform_driver = {
 	.driver		= {
 		.name	= DRV_NAME,
 		.owner	= THIS_MODULE,
-		.pm	= &sh_rtc_dev_pm_ops,
+		.pm	= &sh_rtc_pm_ops,
 	},
 	.remove		= __exit_p(sh_rtc_remove),
 };
-- 
1.7.2.5