[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/imx.c b/drivers/serial/imx.c
index 4a54ff5..355cd93 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -921,9 +921,9 @@
.cons = IMX_CONSOLE,
};
-static int serial_imx_suspend(struct device *_dev, pm_message_t state)
+static int serial_imx_suspend(struct platform_device *dev, pm_message_t state)
{
- struct imx_port *sport = dev_get_drvdata(_dev);
+ struct imx_port *sport = platform_get_drvdata(dev);
if (sport)
uart_suspend_port(&imx_reg, &sport->port);
@@ -931,9 +931,9 @@
return 0;
}
-static int serial_imx_resume(struct device *_dev)
+static int serial_imx_resume(struct platform_device *dev)
{
- struct imx_port *sport = dev_get_drvdata(_dev);
+ struct imx_port *sport = platform_get_drvdata(dev);
if (sport)
uart_resume_port(&imx_reg, &sport->port);
@@ -941,21 +941,19 @@
return 0;
}
-static int serial_imx_probe(struct device *_dev)
+static int serial_imx_probe(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(_dev);
-
- imx_ports[dev->id].port.dev = _dev;
+ imx_ports[dev->id].port.dev = &dev->dev;
uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
- dev_set_drvdata(_dev, &imx_ports[dev->id]);
+ platform_set_drvdata(dev, &imx_ports[dev->id]);
return 0;
}
-static int serial_imx_remove(struct device *_dev)
+static int serial_imx_remove(struct platform_device *dev)
{
- struct imx_port *sport = dev_get_drvdata(_dev);
+ struct imx_port *sport = platform_get_drvdata(dev);
- dev_set_drvdata(_dev, NULL);
+ platform_set_drvdata(dev, NULL);
if (sport)
uart_remove_one_port(&imx_reg, &sport->port);
@@ -963,14 +961,15 @@
return 0;
}
-static struct device_driver serial_imx_driver = {
- .name = "imx-uart",
- .bus = &platform_bus_type,
+static struct platform_driver serial_imx_driver = {
.probe = serial_imx_probe,
.remove = serial_imx_remove,
.suspend = serial_imx_suspend,
.resume = serial_imx_resume,
+ .driver = {
+ .name = "imx-uart",
+ },
};
static int __init imx_serial_init(void)
@@ -985,7 +984,7 @@
if (ret)
return ret;
- ret = driver_register(&serial_imx_driver);
+ ret = platform_driver_register(&serial_imx_driver);
if (ret != 0)
uart_unregister_driver(&imx_reg);