[DRIVER MODEL] Convert platform drivers to use struct platform_driver
This allows us to eliminate the casts in the drivers, and eventually
remove the use of the device_driver function pointer methods for
platform device drivers.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/i2c/busses/i2c-ixp4xx.c b/drivers/i2c/busses/i2c-ixp4xx.c
index cc652c3..aa36855 100644
--- a/drivers/i2c/busses/i2c-ixp4xx.c
+++ b/drivers/i2c/busses/i2c-ixp4xx.c
@@ -87,12 +87,11 @@
struct i2c_algo_bit_data algo_data;
};
-static int ixp4xx_i2c_remove(struct device *dev)
+static int ixp4xx_i2c_remove(struct platform_device *plat_dev)
{
- struct platform_device *plat_dev = to_platform_device(dev);
- struct ixp4xx_i2c_data *drv_data = dev_get_drvdata(&plat_dev->dev);
+ struct ixp4xx_i2c_data *drv_data = platform_get_drvdata(plat_dev);
- dev_set_drvdata(&plat_dev->dev, NULL);
+ platform_set_drvdata(plat_dev, NULL);
i2c_bit_del_bus(&drv_data->adapter);
@@ -101,10 +100,9 @@
return 0;
}
-static int ixp4xx_i2c_probe(struct device *dev)
+static int ixp4xx_i2c_probe(struct platform_device *plat_dev)
{
int err;
- struct platform_device *plat_dev = to_platform_device(dev);
struct ixp4xx_i2c_pins *gpio = plat_dev->dev.platform_data;
struct ixp4xx_i2c_data *drv_data =
kzalloc(sizeof(struct ixp4xx_i2c_data), GFP_KERNEL);
@@ -148,27 +146,28 @@
return err;
}
- dev_set_drvdata(&plat_dev->dev, drv_data);
+ platform_set_drvdata(plat_dev, drv_data);
return 0;
}
-static struct device_driver ixp4xx_i2c_driver = {
- .owner = THIS_MODULE,
- .name = "IXP4XX-I2C",
- .bus = &platform_bus_type,
+static struct platform_driver ixp4xx_i2c_driver = {
.probe = ixp4xx_i2c_probe,
.remove = ixp4xx_i2c_remove,
+ .driver = {
+ .name = "IXP4XX-I2C",
+ .owner = THIS_MODULE,
+ },
};
static int __init ixp4xx_i2c_init(void)
{
- return driver_register(&ixp4xx_i2c_driver);
+ return platform_driver_register(&ixp4xx_i2c_driver);
}
static void __exit ixp4xx_i2c_exit(void)
{
- driver_unregister(&ixp4xx_i2c_driver);
+ platform_driver_unregister(&ixp4xx_i2c_driver);
}
module_init(ixp4xx_i2c_init);