[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/serial/sa1100.c b/drivers/serial/sa1100.c
index ed618cc..fd9deee 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -834,9 +834,9 @@
.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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 void __exit sa1100_serial_exit(void)
{
- driver_unregister(&sa11x0_serial_driver);
+ platform_driver_unregister(&sa11x0_serial_driver);
uart_unregister_driver(&sa1100_reg);
}