[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);
}
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);
}
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index c7fdf39..32924c6 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -98,9 +98,9 @@
}
#ifdef CONFIG_PM
-static int scoop_suspend(struct device *dev, pm_message_t state)
+static int scoop_suspend(struct platform_device *dev, pm_message_t state)
{
- struct scoop_dev *sdev = dev_get_drvdata(dev);
+ struct scoop_dev *sdev = platform_get_drvdata(dev);
check_scoop_reg(sdev);
sdev->scoop_gpwr = SCOOP_REG(sdev->base, SCOOP_GPWR);
@@ -109,9 +109,9 @@
return 0;
}
-static int scoop_resume(struct device *dev)
+static int scoop_resume(struct platform_device *dev)
{
- struct scoop_dev *sdev = dev_get_drvdata(dev);
+ struct scoop_dev *sdev = platform_get_drvdata(dev);
check_scoop_reg(sdev);
SCOOP_REG(sdev->base,SCOOP_GPWR) = sdev->scoop_gpwr;
@@ -123,11 +123,10 @@
#define scoop_resume NULL
#endif
-int __init scoop_probe(struct device *dev)
+int __init scoop_probe(struct platform_device *pdev)
{
struct scoop_dev *devptr;
struct scoop_config *inf;
- struct platform_device *pdev = to_platform_device(dev);
struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem)
@@ -141,7 +140,7 @@
memset(devptr, 0, sizeof(struct scoop_dev));
spin_lock_init(&devptr->scoop_lock);
- inf = dev->platform_data;
+ inf = pdev->dev.platform_data;
devptr->base = ioremap(mem->start, mem->end - mem->start + 1);
if (!devptr->base) {
@@ -149,7 +148,7 @@
return -ENOMEM;
}
- dev_set_drvdata(dev, devptr);
+ platform_set_drvdata(pdev, devptr);
printk("Sharp Scoop Device found at 0x%08x -> 0x%08x\n",(unsigned int)mem->start,(unsigned int)devptr->base);
@@ -164,29 +163,30 @@
return 0;
}
-static int scoop_remove(struct device *dev)
+static int scoop_remove(struct platform_device *pdev)
{
- struct scoop_dev *sdev = dev_get_drvdata(dev);
+ struct scoop_dev *sdev = platform_get_drvdata(pdev);
if (sdev) {
iounmap(sdev->base);
kfree(sdev);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
}
return 0;
}
-static struct device_driver scoop_driver = {
- .name = "sharp-scoop",
- .bus = &platform_bus_type,
+static struct platform_driver scoop_driver = {
.probe = scoop_probe,
.remove = scoop_remove,
.suspend = scoop_suspend,
.resume = scoop_resume,
+ .driver = {
+ .name = "sharp-scoop",
+ },
};
int __init scoop_init(void)
{
- return driver_register(&scoop_driver);
+ return platform_driver_register(&scoop_driver);
}
subsys_initcall(scoop_init);