i2c-ocores: Use struct dev_pm_ops for power management

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

diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
index 75194c5..d7d21d5 100644 (file)
--- a/drivers/i2c/busses/i2c-ocores.c
+++ b/drivers/i2c/busses/i2c-ocores.c
@@ -367,9 +367,9 @@ static int __devexit ocores_i2c_remove(struct platform_device* pdev)
 }
 
 #ifdef CONFIG_PM
-static int ocores_i2c_suspend(struct platform_device *pdev, pm_message_t state)
+static int ocores_i2c_suspend(struct device *dev)
 {
-       struct ocores_i2c *i2c = platform_get_drvdata(pdev);
+       struct ocores_i2c *i2c = dev_get_drvdata(dev);
        u8 ctrl = oc_getreg(i2c, OCI2C_CONTROL);
 
        /* make sure the device is disabled */
@@ -378,17 +378,19 @@ static int ocores_i2c_suspend(struct platform_device *pdev, pm_message_t state)
        return 0;
 }
 
-static int ocores_i2c_resume(struct platform_device *pdev)
+static int ocores_i2c_resume(struct device *dev)
 {
-       struct ocores_i2c *i2c = platform_get_drvdata(pdev);
+       struct ocores_i2c *i2c = dev_get_drvdata(dev);
 
        ocores_init(i2c);
 
        return 0;
 }
+
+static SIMPLE_DEV_PM_OPS(ocores_i2c_pm, ocores_i2c_suspend, ocores_i2c_resume);
+#define OCORES_I2C_PM  (&ocores_i2c_pm)
 #else
-#define ocores_i2c_suspend     NULL
-#define ocores_i2c_resume      NULL
+#define OCORES_I2C_PM  NULL
 #endif
 
 static struct of_device_id ocores_i2c_match[] = {
@@ -400,12 +402,11 @@ MODULE_DEVICE_TABLE(of, ocores_i2c_match);
 static struct platform_driver ocores_i2c_driver = {
        .probe   = ocores_i2c_probe,
        .remove  = __devexit_p(ocores_i2c_remove),
-       .suspend = ocores_i2c_suspend,
-       .resume  = ocores_i2c_resume,
        .driver  = {
                .owner = THIS_MODULE,
                .name = "ocores-i2c",
                .of_match_table = ocores_i2c_match,
+               .pm = OCORES_I2C_PM,
        },
 };