[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/8250.c b/drivers/serial/8250.c
index 9882060..3742753 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2381,9 +2381,9 @@
* list is terminated with a zero flags entry, which means we expect
* all entries to have at least UPF_BOOT_AUTOCONF set.
*/
-static int __devinit serial8250_probe(struct device *dev)
+static int __devinit serial8250_probe(struct platform_device *dev)
{
- struct plat_serial8250_port *p = dev->platform_data;
+ struct plat_serial8250_port *p = dev->dev.platform_data;
struct uart_port port;
int ret, i;
@@ -2399,12 +2399,12 @@
port.flags = p->flags;
port.mapbase = p->mapbase;
port.hub6 = p->hub6;
- port.dev = dev;
+ port.dev = &dev->dev;
if (share_irqs)
port.flags |= UPF_SHARE_IRQ;
ret = serial8250_register_port(&port);
if (ret < 0) {
- dev_err(dev, "unable to register port at index %d "
+ dev_err(&dev->dev, "unable to register port at index %d "
"(IO%lx MEM%lx IRQ%d): %d\n", i,
p->iobase, p->mapbase, p->irq, ret);
}
@@ -2415,54 +2415,55 @@
/*
* Remove serial ports registered against a platform device.
*/
-static int __devexit serial8250_remove(struct device *dev)
+static int __devexit serial8250_remove(struct platform_device *dev)
{
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_8250_port *up = &serial8250_ports[i];
- if (up->port.dev == dev)
+ if (up->port.dev == &dev->dev)
serial8250_unregister_port(i);
}
return 0;
}
-static int serial8250_suspend(struct device *dev, pm_message_t state)
+static int serial8250_suspend(struct platform_device *dev, pm_message_t state)
{
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_8250_port *up = &serial8250_ports[i];
- if (up->port.type != PORT_UNKNOWN && up->port.dev == dev)
+ if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)
uart_suspend_port(&serial8250_reg, &up->port);
}
return 0;
}
-static int serial8250_resume(struct device *dev)
+static int serial8250_resume(struct platform_device *dev)
{
int i;
for (i = 0; i < UART_NR; i++) {
struct uart_8250_port *up = &serial8250_ports[i];
- if (up->port.type != PORT_UNKNOWN && up->port.dev == dev)
+ if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)
uart_resume_port(&serial8250_reg, &up->port);
}
return 0;
}
-static struct device_driver serial8250_isa_driver = {
- .name = "serial8250",
- .bus = &platform_bus_type,
+static struct platform_driver serial8250_isa_driver = {
.probe = serial8250_probe,
.remove = __devexit_p(serial8250_remove),
.suspend = serial8250_suspend,
.resume = serial8250_resume,
+ .driver = {
+ .name = "serial8250",
+ },
};
/*
@@ -2608,7 +2609,7 @@
serial8250_register_ports(&serial8250_reg, &serial8250_isa_devs->dev);
- ret = driver_register(&serial8250_isa_driver);
+ ret = platform_driver_register(&serial8250_isa_driver);
if (ret == 0)
goto out;
@@ -2630,7 +2631,7 @@
*/
serial8250_isa_devs = NULL;
- driver_unregister(&serial8250_isa_driver);
+ platform_driver_unregister(&serial8250_isa_driver);
platform_device_unregister(isa_dev);
uart_unregister_driver(&serial8250_reg);