[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/sa1111.c b/arch/arm/common/sa1111.c
index 174aa86..7b07acb 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -801,9 +801,9 @@
#ifdef CONFIG_PM
-static int sa1111_suspend(struct device *dev, pm_message_t state)
+static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
{
- struct sa1111 *sachip = dev_get_drvdata(dev);
+ struct sa1111 *sachip = platform_get_drvdata(dev);
struct sa1111_save_data *save;
unsigned long flags;
unsigned int val;
@@ -812,7 +812,7 @@
save = kmalloc(sizeof(struct sa1111_save_data), GFP_KERNEL);
if (!save)
return -ENOMEM;
- dev->power.saved_state = save;
+ dev->dev.power.saved_state = save;
spin_lock_irqsave(&sachip->lock, flags);
@@ -859,14 +859,14 @@
* restored by their respective drivers, and must be called
* via LDM after this function.
*/
-static int sa1111_resume(struct device *dev)
+static int sa1111_resume(struct platform_device *dev)
{
- struct sa1111 *sachip = dev_get_drvdata(dev);
+ struct sa1111 *sachip = platform_get_drvdata(dev);
struct sa1111_save_data *save;
unsigned long flags, id;
void __iomem *base;
- save = (struct sa1111_save_data *)dev->power.saved_state;
+ save = (struct sa1111_save_data *)dev->dev.power.saved_state;
if (!save)
return 0;
@@ -879,7 +879,7 @@
id = sa1111_readl(sachip->base + SA1111_SKID);
if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
__sa1111_remove(sachip);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(dev, NULL);
kfree(save);
return 0;
}
@@ -911,7 +911,7 @@
spin_unlock_irqrestore(&sachip->lock, flags);
- dev->power.saved_state = NULL;
+ dev->dev.power.saved_state = NULL;
kfree(save);
return 0;
@@ -922,9 +922,8 @@
#define sa1111_resume NULL
#endif
-static int sa1111_probe(struct device *dev)
+static int sa1111_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct resource *mem;
int irq;
@@ -933,20 +932,20 @@
return -EINVAL;
irq = platform_get_irq(pdev, 0);
- return __sa1111_probe(dev, mem, irq);
+ return __sa1111_probe(&pdev->dev, mem, irq);
}
-static int sa1111_remove(struct device *dev)
+static int sa1111_remove(struct platform_device *pdev)
{
- struct sa1111 *sachip = dev_get_drvdata(dev);
+ struct sa1111 *sachip = platform_get_drvdata(pdev);
if (sachip) {
__sa1111_remove(sachip);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
#ifdef CONFIG_PM
- kfree(dev->power.saved_state);
- dev->power.saved_state = NULL;
+ kfree(pdev->dev.power.saved_state);
+ pdev->dev.power.saved_state = NULL;
#endif
}
@@ -962,13 +961,14 @@
* We also need to handle the SDRAM configuration for
* PXA250/SA1110 machine classes.
*/
-static struct device_driver sa1111_device_driver = {
- .name = "sa1111",
- .bus = &platform_bus_type,
+static struct platform_driver sa1111_device_driver = {
.probe = sa1111_probe,
.remove = sa1111_remove,
.suspend = sa1111_suspend,
.resume = sa1111_resume,
+ .driver = {
+ .name = "sa1111",
+ },
};
/*
@@ -1256,13 +1256,13 @@
{
int ret = bus_register(&sa1111_bus_type);
if (ret == 0)
- driver_register(&sa1111_device_driver);
+ platform_driver_register(&sa1111_device_driver);
return ret;
}
static void __exit sa1111_exit(void)
{
- driver_unregister(&sa1111_device_driver);
+ platform_driver_unregister(&sa1111_device_driver);
bus_unregister(&sa1111_bus_type);
}