i2c-at91: Use struct dev_pm_ops for power management

Make the AT91 Two-Wire Interface driver define its PM callbacks
through a struct dev_pm_ops object rather than by using legacy PM
hooks in struct platform_driver.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index 1679deef9c89..e24484beef07 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -279,30 +279,31 @@ static int __devexit at91_i2c_remove(struct platform_device *pdev)
 
 /* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */
 
-static int at91_i2c_suspend(struct platform_device *pdev, pm_message_t mesg)
+static int at91_i2c_suspend(struct device *dev)
 {
         clk_disable(twi_clk);
         return 0;
 }
 
-static int at91_i2c_resume(struct platform_device *pdev)
+static int at91_i2c_resume(struct device *dev)
 {
         return clk_enable(twi_clk);
 }
 
+static SIMPLE_DEV_PM_OPS(at91_i2c_pm, at91_i2c_suspend, at91_i2c_resume);
+#define AT91_I2C_PM     (&at91_i2c_pm)
+
 #else
-#define at91_i2c_suspend        NULL
-#define at91_i2c_resume         NULL
+#define AT91_I2C_PM     NULL
 #endif
 
 static struct platform_driver at91_i2c_driver = {
         .probe          = at91_i2c_probe,
         .remove         = __devexit_p(at91_i2c_remove),
-        .suspend        = at91_i2c_suspend,
-        .resume         = at91_i2c_resume,
         .driver         = {
                 .name   = "at91_i2c",
                 .owner  = THIS_MODULE,
+                .pm     = AT91_I2C_PM,
         },
 };