[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>

1 files changed, 13 insertions, 12 deletions

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 67ccbea24ba4..70f7ab829d36 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -936,10 +936,10 @@ static struct pxa_i2c i2c_pxa = {
         },
 };
 
-static int i2c_pxa_probe(struct device *dev)
+static int i2c_pxa_probe(struct platform_device *dev)
 {
         struct pxa_i2c *i2c = &i2c_pxa;
-        struct i2c_pxa_platform_data *plat = dev->platform_data;
+        struct i2c_pxa_platform_data *plat = dev->dev.platform_data;
         int ret;
 
 #ifdef CONFIG_PXA27x
@@ -968,7 +968,7 @@ static int i2c_pxa_probe(struct device *dev)
         i2c_pxa_reset(i2c);
 
         i2c->adap.algo_data = i2c;
-        i2c->adap.dev.parent = dev;
+        i2c->adap.dev.parent = &dev->dev;
 
         ret = i2c_add_adapter(&i2c->adap);
         if (ret < 0) {
@@ -976,7 +976,7 @@ static int i2c_pxa_probe(struct device *dev)
                 goto err_irq;
         }
 
-        dev_set_drvdata(dev, i2c);
+        platform_set_drvdata(dev, i2c);
 
 #ifdef CONFIG_I2C_PXA_SLAVE
         printk(KERN_INFO "I2C: %s: PXA I2C adapter, slave address %d\n",
@@ -993,11 +993,11 @@ static int i2c_pxa_probe(struct device *dev)
         return ret;
 }
 
-static int i2c_pxa_remove(struct device *dev)
+static int i2c_pxa_remove(struct platform_device *dev)
 {
-        struct pxa_i2c *i2c = dev_get_drvdata(dev);
+        struct pxa_i2c *i2c = platform_get_drvdata(dev);
 
-        dev_set_drvdata(dev, NULL);
+        platform_set_drvdata(dev, NULL);
 
         i2c_del_adapter(&i2c->adap);
         free_irq(IRQ_I2C, i2c);
@@ -1006,21 +1006,22 @@ static int i2c_pxa_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver i2c_pxa_driver = {
-        .name           = "pxa2xx-i2c",
-        .bus            = &platform_bus_type,
+static struct platform_driver i2c_pxa_driver = {
         .probe          = i2c_pxa_probe,
         .remove         = i2c_pxa_remove,
+        .driver         = {
+                .name   = "pxa2xx-i2c",
+        },
 };
 
 static int __init i2c_adap_pxa_init(void)
 {
-        return driver_register(&i2c_pxa_driver);
+        return platform_driver_register(&i2c_pxa_driver);
 }
 
 static void i2c_adap_pxa_exit(void)
 {
-        return driver_unregister(&i2c_pxa_driver);
+        return platform_driver_unregister(&i2c_pxa_driver);
 }
 
 module_init(i2c_adap_pxa_init);