[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, 14 insertions, 13 deletions

diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index 01696b3e3f61..865d4dea65df 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -924,7 +924,7 @@ static struct uart_driver siu_uart_driver = {
         .cons           = SERIAL_VR41XX_CONSOLE,
 };
 
-static int siu_probe(struct device *dev)
+static int siu_probe(struct platform_device *dev)
 {
         struct uart_port *port;
         int num, i, retval;
@@ -941,7 +941,7 @@ static int siu_probe(struct device *dev)
         for (i = 0; i < num; i++) {
                 port = &siu_uart_ports[i];
                 port->ops = &siu_uart_ops;
-                port->dev = dev;
+                port->dev = &dev->dev;
 
                 retval = uart_add_one_port(&siu_uart_driver, port);
                 if (retval < 0) {
@@ -958,14 +958,14 @@ static int siu_probe(struct device *dev)
         return 0;
 }
 
-static int siu_remove(struct device *dev)
+static int siu_remove(struct platform_device *dev)
 {
         struct uart_port *port;
         int i;
 
         for (i = 0; i < siu_uart_driver.nr; i++) {
                 port = &siu_uart_ports[i];
-                if (port->dev == dev) {
+                if (port->dev == &dev->dev) {
                         uart_remove_one_port(&siu_uart_driver, port);
                         port->dev = NULL;
                 }
@@ -976,7 +976,7 @@ static int siu_remove(struct device *dev)
         return 0;
 }
 
-static int siu_suspend(struct device *dev, pm_message_t state)
+static int siu_suspend(struct platform_device *dev, pm_message_t state)
 {
         struct uart_port *port;
         int i;
@@ -984,7 +984,7 @@ static int siu_suspend(struct device *dev, pm_message_t state)
         for (i = 0; i < siu_uart_driver.nr; i++) {
                 port = &siu_uart_ports[i];
                 if ((port->type == PORT_VR41XX_SIU ||
-                     port->type == PORT_VR41XX_DSIU) && port->dev == dev)
+                     port->type == PORT_VR41XX_DSIU) && port->dev == &dev->dev)
                         uart_suspend_port(&siu_uart_driver, port);
 
         }
@@ -992,7 +992,7 @@ static int siu_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int siu_resume(struct device *dev)
+static int siu_resume(struct platform_device *dev)
 {
         struct uart_port *port;
         int i;
@@ -1000,7 +1000,7 @@ static int siu_resume(struct device *dev)
         for (i = 0; i < siu_uart_driver.nr; i++) {
                 port = &siu_uart_ports[i];
                 if ((port->type == PORT_VR41XX_SIU ||
-                     port->type == PORT_VR41XX_DSIU) && port->dev == dev)
+                     port->type == PORT_VR41XX_DSIU) && port->dev == &dev->dev)
                         uart_resume_port(&siu_uart_driver, port);
         }
 
@@ -1009,13 +1009,14 @@ static int siu_resume(struct device *dev)
 
 static struct platform_device *siu_platform_device;
 
-static struct device_driver siu_device_driver = {
-        .name           = "SIU",
-        .bus            = &platform_bus_type,
+static struct platform_driver siu_device_driver = {
         .probe          = siu_probe,
         .remove         = siu_remove,
         .suspend        = siu_suspend,
         .resume         = siu_resume,
+        .driver         = {
+                .name   = "SIU",
+        },
 };
 
 static int __devinit vr41xx_siu_init(void)
@@ -1026,7 +1027,7 @@ static int __devinit vr41xx_siu_init(void)
         if (IS_ERR(siu_platform_device))
                 return PTR_ERR(siu_platform_device);
 
-        retval = driver_register(&siu_device_driver);
+        retval = platform_driver_register(&siu_device_driver);
         if (retval < 0)
                 platform_device_unregister(siu_platform_device);
 
@@ -1035,7 +1036,7 @@ static int __devinit vr41xx_siu_init(void)
 
 static void __devexit vr41xx_siu_exit(void)
 {
-        driver_unregister(&siu_device_driver);
+        platform_driver_unregister(&siu_device_driver);
 
         platform_device_unregister(siu_platform_device);
 }