rtc: rtc-sh: switch to using SIMPLE_DEV_PM_OPS

Switch to using the 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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 5f4708522f4d..8d5bd2e36776 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),
 };