Input: ad7877 - convert to dev_pm_ops

There is a move to deprecate bus-specific PM operations and move to
using dev_pm_ops instead in order to reduce the amount of boilerplate
code in buses and facilitate updates to the PM core. Do this move for
the ad7879 SPI driver.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 9 insertions, 10 deletions

diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index a1952fcc083e..714d4e0f9f95 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -41,6 +41,7 @@
 #include <linux/delay.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
+#include <linux/pm.h>
 #include <linux/slab.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ad7877.h>
@@ -826,39 +827,37 @@ static int __devexit ad7877_remove(struct spi_device *spi)
         return 0;
 }
 
-#ifdef CONFIG_PM
-static int ad7877_suspend(struct spi_device *spi, pm_message_t message)
+#ifdef CONFIG_PM_SLEEP
+static int ad7877_suspend(struct device *dev)
 {
-        struct ad7877 *ts = dev_get_drvdata(&spi->dev);
+        struct ad7877 *ts = dev_get_drvdata(dev);
 
         ad7877_disable(ts);
 
         return 0;
 }
 
-static int ad7877_resume(struct spi_device *spi)
+static int ad7877_resume(struct device *dev)
 {
-        struct ad7877 *ts = dev_get_drvdata(&spi->dev);
+        struct ad7877 *ts = dev_get_drvdata(dev);
 
         ad7877_enable(ts);
 
         return 0;
 }
-#else
-#define ad7877_suspend NULL
-#define ad7877_resume  NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(ad7877_pm, ad7877_suspend, ad7877_resume);
+
 static struct spi_driver ad7877_driver = {
         .driver = {
                 .name   = "ad7877",
                 .bus    = &spi_bus_type,
                 .owner  = THIS_MODULE,
+                .pm     = &ad7877_pm,
         },
         .probe          = ad7877_probe,
         .remove         = __devexit_p(ad7877_remove),
-        .suspend        = ad7877_suspend,
-        .resume         = ad7877_resume,
 };
 
 static int __init ad7877_init(void)