wm97xx_battery: Convert to dev_pm_ops

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>

1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index cad1ba283bfd..c552082c8128 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -145,20 +145,22 @@ static irqreturn_t wm97xx_chrg_irq(int irq, void *data)
 }
 
 #ifdef CONFIG_PM
-static int wm97xx_bat_suspend(struct platform_device *dev, pm_message_t state)
+static int wm97xx_bat_suspend(struct device *dev)
 {
         flush_scheduled_work();
         return 0;
 }
 
-static int wm97xx_bat_resume(struct platform_device *dev)
+static int wm97xx_bat_resume(struct device *dev)
 {
         schedule_work(&bat_work);
         return 0;
 }
-#else
-#define wm97xx_bat_suspend NULL
-#define wm97xx_bat_resume NULL
+
+static struct dev_pm_ops wm97xx_bat_pm_ops = {
+        .suspend        = wm97xx_bat_suspend,
+        .resume         = wm97xx_bat_resume,
+};
 #endif
 
 static int __devinit wm97xx_bat_probe(struct platform_device *dev)
@@ -281,11 +283,12 @@ static struct platform_driver wm97xx_bat_driver = {
         .driver = {
                 .name   = "wm97xx-battery",
                 .owner  = THIS_MODULE,
+#ifdef CONFIG_PM
+                .pm     = &wm97xx_bat_pm_ops,
+#endif
         },
         .probe          = wm97xx_bat_probe,
         .remove         = __devexit_p(wm97xx_bat_remove),
-        .suspend        = wm97xx_bat_suspend,
-        .resume         = wm97xx_bat_resume,
 };
 
 static int __init wm97xx_bat_init(void)