[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, 16 insertions, 16 deletions

diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 7daa0ed7331c..1eab7cffceaa 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -138,9 +138,8 @@ static struct mcp_ops mcp_sa11x0 = {
         .disable                = mcp_sa11x0_disable,
 };
 
-static int mcp_sa11x0_probe(struct device *dev)
+static int mcp_sa11x0_probe(struct platform_device *pdev)
 {
-        struct platform_device *pdev = to_platform_device(dev);
         struct mcp_plat_data *data = pdev->dev.platform_data;
         struct mcp *mcp;
         int ret;
@@ -165,7 +164,7 @@ static int mcp_sa11x0_probe(struct device *dev)
         mcp->dma_telco_rd       = DMA_Ser4MCP1Rd;
         mcp->dma_telco_wr       = DMA_Ser4MCP1Wr;
 
-        dev_set_drvdata(dev, mcp);
+        platform_set_drvdata(pdev, mcp);
 
         if (machine_is_assabet()) {
                 ASSABET_BCR_set(ASSABET_BCR_CODEC_RST);
@@ -202,26 +201,26 @@ static int mcp_sa11x0_probe(struct device *dev)
 
  release:
         release_mem_region(0x80060000, 0x60);
-        dev_set_drvdata(dev, NULL);
+        platform_set_drvdata(pdev, NULL);
 
  out:
         return ret;
 }
 
-static int mcp_sa11x0_remove(struct device *dev)
+static int mcp_sa11x0_remove(struct platform_device *dev)
 {
-        struct mcp *mcp = dev_get_drvdata(dev);
+        struct mcp *mcp = platform_get_drvdata(dev);
 
-        dev_set_drvdata(dev, NULL);
+        platform_set_drvdata(dev, NULL);
         mcp_host_unregister(mcp);
         release_mem_region(0x80060000, 0x60);
 
         return 0;
 }
 
-static int mcp_sa11x0_suspend(struct device *dev, pm_message_t state)
+static int mcp_sa11x0_suspend(struct platform_device *dev, pm_message_t state)
 {
-        struct mcp *mcp = dev_get_drvdata(dev);
+        struct mcp *mcp = platform_get_drvdata(dev);
 
         priv(mcp)->mccr0 = Ser4MCCR0;
         priv(mcp)->mccr1 = Ser4MCCR1;
@@ -230,9 +229,9 @@ static int mcp_sa11x0_suspend(struct device *dev, pm_message_t state)
         return 0;
 }
 
-static int mcp_sa11x0_resume(struct device *dev)
+static int mcp_sa11x0_resume(struct platform_device *dev)
 {
-        struct mcp *mcp = dev_get_drvdata(dev);
+        struct mcp *mcp = platform_get_drvdata(dev);
 
         Ser4MCCR1 = priv(mcp)->mccr1;
         Ser4MCCR0 = priv(mcp)->mccr0;
@@ -243,13 +242,14 @@ static int mcp_sa11x0_resume(struct device *dev)
 /*
  * The driver for the SA11x0 MCP port.
  */
-static struct device_driver mcp_sa11x0_driver = {
-        .name           = "sa11x0-mcp",
-        .bus            = &platform_bus_type,
+static struct platform_driver mcp_sa11x0_driver = {
         .probe          = mcp_sa11x0_probe,
         .remove         = mcp_sa11x0_remove,
         .suspend        = mcp_sa11x0_suspend,
         .resume         = mcp_sa11x0_resume,
+        .driver         = {
+                .name   = "sa11x0-mcp",
+        },
 };
 
 /*
@@ -257,12 +257,12 @@ static struct device_driver mcp_sa11x0_driver = {
  */
 static int __init mcp_sa11x0_init(void)
 {
-        return driver_register(&mcp_sa11x0_driver);
+        return platform_driver_register(&mcp_sa11x0_driver);
 }
 
 static void __exit mcp_sa11x0_exit(void)
 {
-        driver_unregister(&mcp_sa11x0_driver);
+        platform_driver_unregister(&mcp_sa11x0_driver);
 }
 
 module_init(mcp_sa11x0_init);