[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, 16 insertions, 16 deletions

diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 0dd08a09e7e6..5d3cb8486447 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -717,10 +717,9 @@ static struct uart_driver mpc52xx_uart_driver = {
 /* ======================================================================== */
 
 static int __devinit
-mpc52xx_uart_probe(struct device *dev)
+mpc52xx_uart_probe(struct platform_device *dev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct resource *res = pdev->resource;
+        struct resource *res = dev->resource;
 
         struct uart_port *port = NULL;
         int i, idx, ret;
@@ -761,17 +760,17 @@ mpc52xx_uart_probe(struct device *dev)
         /* Add the port to the uart sub-system */
         ret = uart_add_one_port(&mpc52xx_uart_driver, port);
         if (!ret)
-                dev_set_drvdata(dev, (void*)port);
+                platform_set_drvdata(dev, (void*)port);
 
         return ret;
 }
 
 static int
-mpc52xx_uart_remove(struct device *dev)
+mpc52xx_uart_remove(struct platform_device *dev)
 {
-        struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
+        struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);
 
-        dev_set_drvdata(dev, NULL);
+        platform_set_drvdata(dev, NULL);
 
         if (port)
                 uart_remove_one_port(&mpc52xx_uart_driver, port);
@@ -781,9 +780,9 @@ mpc52xx_uart_remove(struct device *dev)
 
 #ifdef CONFIG_PM
 static int
-mpc52xx_uart_suspend(struct device *dev, pm_message_t state)
+mpc52xx_uart_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
+        struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);
 
         if (sport)
                 uart_suspend_port(&mpc52xx_uart_driver, port);
@@ -792,9 +791,9 @@ mpc52xx_uart_suspend(struct device *dev, pm_message_t state)
 }
 
 static int
-mpc52xx_uart_resume(struct device *dev)
+mpc52xx_uart_resume(struct platform_device *dev)
 {
-        struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
+        struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);
 
         if (port)
                 uart_resume_port(&mpc52xx_uart_driver, port);
@@ -803,15 +802,16 @@ mpc52xx_uart_resume(struct device *dev)
 }
 #endif
 
-static struct device_driver mpc52xx_uart_platform_driver = {
-        .name           = "mpc52xx-psc",
-        .bus            = &platform_bus_type,
+static struct platform_driver mpc52xx_uart_platform_driver = {
         .probe          = mpc52xx_uart_probe,
         .remove         = mpc52xx_uart_remove,
 #ifdef CONFIG_PM
         .suspend        = mpc52xx_uart_suspend,
         .resume         = mpc52xx_uart_resume,
 #endif
+        .driver         = {
+                .name   = "mpc52xx-psc",
+        },
 };
 
 
@@ -828,7 +828,7 @@ mpc52xx_uart_init(void)
 
         ret = uart_register_driver(&mpc52xx_uart_driver);
         if (ret == 0) {
-                ret = driver_register(&mpc52xx_uart_platform_driver);
+                ret = platform_driver_register(&mpc52xx_uart_platform_driver);
                 if (ret)
                         uart_unregister_driver(&mpc52xx_uart_driver);
         }
@@ -839,7 +839,7 @@ mpc52xx_uart_init(void)
 static void __exit
 mpc52xx_uart_exit(void)
 {
-        driver_unregister(&mpc52xx_uart_platform_driver);
+        platform_driver_unregister(&mpc52xx_uart_platform_driver);
         uart_unregister_driver(&mpc52xx_uart_driver);
 }