[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, 21 insertions, 21 deletions

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 174aa86ee816..7b07acb03f3b 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -801,9 +801,9 @@ struct sa1111_save_data {
 
 #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 @@ static int sa1111_suspend(struct device *dev, pm_message_t state)
         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 @@ static int sa1111_suspend(struct device *dev, pm_message_t state)
  *      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 @@ static int sa1111_resume(struct device *dev)
         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 @@ static int sa1111_resume(struct device *dev)
 
         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 @@ static int sa1111_resume(struct device *dev)
 #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 @@ static int sa1111_probe(struct device *dev)
                 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 @@ static int sa1111_remove(struct device *dev)
  *      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 @@ static int __init sa1111_init(void)
 {
         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);
 }