[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/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 7daa0ed..1eab7cf 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -138,9 +138,8 @@
.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 @@
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 @@
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 @@
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 @@
/*
* 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 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);