[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>

1 files changed, 15 insertions, 14 deletions

diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c
index d00d14bb637..64672d49122 100644
--- a/drivers/input/keyboard/corgikbd.c
+++ b/drivers/input/keyboard/corgikbd.c
@@ -259,17 +259,17 @@ static void corgikbd_hinge_timer(unsigned long data)
 }
 
 #ifdef CONFIG_PM
-static int corgikbd_suspend(struct device *dev, pm_message_t state)
+static int corgikbd_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct corgikbd *corgikbd = dev_get_drvdata(dev);
+        struct corgikbd *corgikbd = platform_get_drvdata(dev);
         corgikbd->suspended = 1;
 
         return 0;
 }
 
-static int corgikbd_resume(struct device *dev)
+static int corgikbd_resume(struct platform_device *dev)
 {
-        struct corgikbd *corgikbd = dev_get_drvdata(dev);
+        struct corgikbd *corgikbd = platform_get_drvdata(dev);
 
         /* Upon resume, ignore the suspend key for a short while */
         corgikbd->suspend_jiffies=jiffies;
@@ -282,7 +282,7 @@ static int corgikbd_resume(struct device *dev)
 #define corgikbd_resume         NULL
 #endif
 
-static int __init corgikbd_probe(struct device *dev)
+static int __init corgikbd_probe(struct platform_device *pdev)
 {
         struct corgikbd *corgikbd;
         struct input_dev *input_dev;
@@ -296,7 +296,7 @@ static int __init corgikbd_probe(struct device *dev)
                 return -ENOMEM;
         }
 
-        dev_set_drvdata(dev, corgikbd);
+        platform_set_drvdata(pdev, corgikbd);
 
         corgikbd->input = input_dev;
         spin_lock_init(&corgikbd->lock);
@@ -321,7 +321,7 @@ static int __init corgikbd_probe(struct device *dev)
         input_dev->id.vendor = 0x0001;
         input_dev->id.product = 0x0001;
         input_dev->id.version = 0x0100;
-        input_dev->cdev.dev = dev;
+        input_dev->cdev.dev = &pdev->dev;
         input_dev->private = corgikbd;
 
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_PWR) | BIT(EV_SW);
@@ -356,10 +356,10 @@ static int __init corgikbd_probe(struct device *dev)
         return 0;
 }
 
-static int corgikbd_remove(struct device *dev)
+static int corgikbd_remove(struct platform_device *pdev)
 {
         int i;
-        struct corgikbd *corgikbd = dev_get_drvdata(dev);
+        struct corgikbd *corgikbd = platform_get_drvdata(pdev);
 
         for (i = 0; i < CORGI_KEY_SENSE_NUM; i++)
                 free_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd);
@@ -374,23 +374,24 @@ static int corgikbd_remove(struct device *dev)
         return 0;
 }
 
-static struct device_driver corgikbd_driver = {
-        .name           = "corgi-keyboard",
-        .bus            = &platform_bus_type,
+static struct platform_driver corgikbd_driver = {
         .probe          = corgikbd_probe,
         .remove         = corgikbd_remove,
         .suspend        = corgikbd_suspend,
         .resume         = corgikbd_resume,
+        .driver         = {
+                .name   = "corgi-keyboard",
+        },
 };
 
 static int __devinit corgikbd_init(void)
 {
-        return driver_register(&corgikbd_driver);
+        return platform_driver_register(&corgikbd_driver);
 }
 
 static void __exit corgikbd_exit(void)
 {
-        driver_unregister(&corgikbd_driver);
+        platform_driver_unregister(&corgikbd_driver);
 }
 
 module_init(corgikbd_init);