i2c-tegra: Use struct dev_pm_ops for power management

Make the Tegra I2C controller 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>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>

[wsa] adapt to of_match_ptr change

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

1 files changed, 10 insertions, 8 deletions

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index f00649c78b05..f85dee549e21 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -713,9 +713,9 @@ static int __devexit tegra_i2c_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state)
+static int tegra_i2c_suspend(struct device *dev)
 {
-        struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);
+        struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
 
         i2c_lock_adapter(&i2c_dev->adapter);
         i2c_dev->is_suspended = true;
@@ -724,9 +724,9 @@ static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state)
         return 0;
 }
 
-static int tegra_i2c_resume(struct platform_device *pdev)
+static int tegra_i2c_resume(struct device *dev)
 {
-        struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);
+        struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev);
         int ret;
 
         i2c_lock_adapter(&i2c_dev->adapter);
@@ -744,6 +744,11 @@ static int tegra_i2c_resume(struct platform_device *pdev)
 
         return 0;
 }
+
+static SIMPLE_DEV_PM_OPS(tegra_i2c_pm, tegra_i2c_suspend, tegra_i2c_resume);
+#define TEGRA_I2C_PM    (&tegra_i2c_pm)
+#else
+#define TEGRA_I2C_PM    NULL
 #endif
 
 #if defined(CONFIG_OF)
@@ -759,14 +764,11 @@ MODULE_DEVICE_TABLE(of, tegra_i2c_of_match);
 static struct platform_driver tegra_i2c_driver = {
         .probe   = tegra_i2c_probe,
         .remove  = __devexit_p(tegra_i2c_remove),
-#ifdef CONFIG_PM
-        .suspend = tegra_i2c_suspend,
-        .resume  = tegra_i2c_resume,
-#endif
         .driver  = {
                 .name  = "tegra-i2c",
                 .owner = THIS_MODULE,
                 .of_match_table = of_match_ptr(tegra_i2c_of_match),
+                .pm    = TEGRA_I2C_PM,
         },
 };