[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/sa1100.c b/drivers/serial/sa1100.c
index ed618cc7ae96..fd9deee20e05 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -834,9 +834,9 @@ static struct uart_driver sa1100_reg = {
         .cons                   = SA1100_CONSOLE,
 };
 
-static int sa1100_serial_suspend(struct device *_dev, pm_message_t state)
+static int sa1100_serial_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct sa1100_port *sport = dev_get_drvdata(_dev);
+        struct sa1100_port *sport = platform_get_drvdata(dev);
 
         if (sport)
                 uart_suspend_port(&sa1100_reg, &sport->port);
@@ -844,9 +844,9 @@ static int sa1100_serial_suspend(struct device *_dev, pm_message_t state)
         return 0;
 }
 
-static int sa1100_serial_resume(struct device *_dev)
+static int sa1100_serial_resume(struct platform_device *dev)
 {
-        struct sa1100_port *sport = dev_get_drvdata(_dev);
+        struct sa1100_port *sport = platform_get_drvdata(dev);
 
         if (sport)
                 uart_resume_port(&sa1100_reg, &sport->port);
@@ -854,9 +854,8 @@ static int sa1100_serial_resume(struct device *_dev)
         return 0;
 }
 
-static int sa1100_serial_probe(struct device *_dev)
+static int sa1100_serial_probe(struct platform_device *dev)
 {
-        struct platform_device *dev = to_platform_device(_dev);
         struct resource *res = dev->resource;
         int i;
 
@@ -869,9 +868,9 @@ static int sa1100_serial_probe(struct device *_dev)
                         if (sa1100_ports[i].port.mapbase != res->start)
                                 continue;
 
-                        sa1100_ports[i].port.dev = _dev;
+                        sa1100_ports[i].port.dev = &dev->dev;
                         uart_add_one_port(&sa1100_reg, &sa1100_ports[i].port);
-                        dev_set_drvdata(_dev, &sa1100_ports[i]);
+                        platform_set_drvdata(dev, &sa1100_ports[i]);
                         break;
                 }
         }
@@ -879,11 +878,11 @@ static int sa1100_serial_probe(struct device *_dev)
         return 0;
 }
 
-static int sa1100_serial_remove(struct device *_dev)
+static int sa1100_serial_remove(struct platform_device *pdev)
 {
-        struct sa1100_port *sport = dev_get_drvdata(_dev);
+        struct sa1100_port *sport = platform_get_drvdata(pdev);
 
-        dev_set_drvdata(_dev, NULL);
+        platform_set_drvdata(pdev, NULL);
 
         if (sport)
                 uart_remove_one_port(&sa1100_reg, &sport->port);
@@ -891,13 +890,14 @@ static int sa1100_serial_remove(struct device *_dev)
         return 0;
 }
 
-static struct device_driver sa11x0_serial_driver = {
-        .name           = "sa11x0-uart",
-        .bus            = &platform_bus_type,
+static struct platform_driver sa11x0_serial_driver = {
         .probe          = sa1100_serial_probe,
         .remove         = sa1100_serial_remove,
         .suspend        = sa1100_serial_suspend,
         .resume         = sa1100_serial_resume,
+        .driver         = {
+                .name   = "sa11x0-uart",
+        },
 };
 
 static int __init sa1100_serial_init(void)
@@ -910,7 +910,7 @@ static int __init sa1100_serial_init(void)
 
         ret = uart_register_driver(&sa1100_reg);
         if (ret == 0) {
-                ret = driver_register(&sa11x0_serial_driver);
+                ret = platform_driver_register(&sa11x0_serial_driver);
                 if (ret)
                         uart_unregister_driver(&sa1100_reg);
         }
@@ -919,7 +919,7 @@ static int __init sa1100_serial_init(void)
 
 static void __exit sa1100_serial_exit(void)
 {
-        driver_unregister(&sa11x0_serial_driver);
+        platform_driver_unregister(&sa11x0_serial_driver);
         uart_unregister_driver(&sa1100_reg);
 }