[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/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index ad55680..557e52c 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -550,9 +550,9 @@
u16 LCM_SPIMD;
};
-static int locomo_suspend(struct device *dev, pm_message_t state)
+static int locomo_suspend(struct platform_device *dev, pm_message_t state)
{
- struct locomo *lchip = dev_get_drvdata(dev);
+ struct locomo *lchip = platform_get_drvdata(dev);
struct locomo_save_data *save;
unsigned long flags;
@@ -560,7 +560,7 @@
if (!save)
return -ENOMEM;
- dev->power.saved_state = (void *) save;
+ dev->dev.power.saved_state = (void *) save;
spin_lock_irqsave(&lchip->lock, flags);
@@ -594,14 +594,14 @@
return 0;
}
-static int locomo_resume(struct device *dev)
+static int locomo_resume(struct platform_device *dev)
{
- struct locomo *lchip = dev_get_drvdata(dev);
+ struct locomo *lchip = platform_get_drvdata(dev);
struct locomo_save_data *save;
unsigned long r;
unsigned long flags;
- save = (struct locomo_save_data *) dev->power.saved_state;
+ save = (struct locomo_save_data *) dev->dev.power.saved_state;
if (!save)
return 0;
@@ -760,27 +760,26 @@
kfree(lchip);
}
-static int locomo_probe(struct device *dev)
+static int locomo_probe(struct platform_device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct resource *mem;
int irq;
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!mem)
return -EINVAL;
- irq = platform_get_irq(pdev, 0);
+ irq = platform_get_irq(dev, 0);
- return __locomo_probe(dev, mem, irq);
+ return __locomo_probe(&dev->dev, mem, irq);
}
-static int locomo_remove(struct device *dev)
+static int locomo_remove(struct platform_device *dev)
{
- struct locomo *lchip = dev_get_drvdata(dev);
+ struct locomo *lchip = platform__get_drvdata(dev);
if (lchip) {
__locomo_remove(lchip);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(dev, NULL);
}
return 0;
@@ -792,15 +791,16 @@
* the per-machine level, and then have this driver pick
* up the registered devices.
*/
-static struct device_driver locomo_device_driver = {
- .name = "locomo",
- .bus = &platform_bus_type,
+static struct platform_driver locomo_device_driver = {
.probe = locomo_probe,
.remove = locomo_remove,
#ifdef CONFIG_PM
.suspend = locomo_suspend,
.resume = locomo_resume,
#endif
+ .driver = {
+ .name = "locomo",
+ },
};
/*
@@ -1126,13 +1126,13 @@
{
int ret = bus_register(&locomo_bus_type);
if (ret == 0)
- driver_register(&locomo_device_driver);
+ platform_driver_register(&locomo_device_driver);
return ret;
}
static void __exit locomo_exit(void)
{
- driver_unregister(&locomo_device_driver);
+ platform_driver_unregister(&locomo_device_driver);
bus_unregister(&locomo_bus_type);
}