[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/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index 15e88ee..1042987 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -231,9 +231,9 @@
}
#ifdef CONFIG_PM
-static int corgits_suspend(struct device *dev, pm_message_t state)
+static int corgits_suspend(struct platform_device *dev, pm_message_t state)
{
- struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+ struct corgi_ts *corgi_ts = platform_get_drvdata(dev);
if (corgi_ts->pendown) {
del_timer_sync(&corgi_ts->timer);
@@ -248,9 +248,9 @@
return 0;
}
-static int corgits_resume(struct device *dev)
+static int corgits_resume(struct platform_device *dev)
{
- struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+ struct corgi_ts *corgi_ts = platform_get_drvdata(dev);
corgi_ssp_ads7846_putget((4u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
/* Enable Falling Edge */
@@ -264,10 +264,9 @@
#define corgits_resume NULL
#endif
-static int __init corgits_probe(struct device *dev)
+static int __init corgits_probe(struct platform_device *pdev)
{
struct corgi_ts *corgi_ts;
- struct platform_device *pdev = to_platform_device(dev);
struct input_dev *input_dev;
int err = -ENOMEM;
@@ -276,9 +275,9 @@
if (!corgi_ts || !input_dev)
goto fail;
- dev_set_drvdata(dev, corgi_ts);
+ platform_set_drvdata(pdev, corgi_ts);
- corgi_ts->machinfo = dev->platform_data;
+ corgi_ts->machinfo = pdev->dev.platform_data;
corgi_ts->irq_gpio = platform_get_irq(pdev, 0);
if (corgi_ts->irq_gpio < 0) {
@@ -298,7 +297,7 @@
input_dev->id.vendor = 0x0001;
input_dev->id.product = 0x0002;
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = dev;
+ input_dev->cdev.dev = &pdev->dev;
input_dev->private = corgi_ts;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
@@ -339,9 +338,9 @@
}
-static int corgits_remove(struct device *dev)
+static int corgits_remove(struct platform_device *pdev)
{
- struct corgi_ts *corgi_ts = dev_get_drvdata(dev);
+ struct corgi_ts *corgi_ts = platform_get_drvdata(pdev);
free_irq(corgi_ts->irq_gpio, NULL);
del_timer_sync(&corgi_ts->timer);
@@ -351,23 +350,24 @@
return 0;
}
-static struct device_driver corgits_driver = {
- .name = "corgi-ts",
- .bus = &platform_bus_type,
+static struct platform_driver corgits_driver = {
.probe = corgits_probe,
.remove = corgits_remove,
.suspend = corgits_suspend,
.resume = corgits_resume,
+ .driver = {
+ .name = "corgi-ts",
+ },
};
static int __devinit corgits_init(void)
{
- return driver_register(&corgits_driver);
+ return platform_driver_register(&corgits_driver);
}
static void __exit corgits_exit(void)
{
- driver_unregister(&corgits_driver);
+ platform_driver_unregister(&corgits_driver);
}
module_init(corgits_init);
