[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/mmc/pxamci.c b/drivers/mmc/pxamci.c
index f31e247..ee8f8a0 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -428,9 +428,8 @@
return IRQ_HANDLED;
}
-static int pxamci_probe(struct device *dev)
+static int pxamci_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct mmc_host *mmc;
struct pxamci_host *host = NULL;
struct resource *r;
@@ -445,7 +444,7 @@
if (!r)
return -EBUSY;
- mmc = mmc_alloc_host(sizeof(struct pxamci_host), dev);
+ mmc = mmc_alloc_host(sizeof(struct pxamci_host), &pdev->dev);
if (!mmc) {
ret = -ENOMEM;
goto out;
@@ -474,7 +473,7 @@
host->pdata->ocr_mask :
MMC_VDD_32_33|MMC_VDD_33_34;
- host->sg_cpu = dma_alloc_coherent(dev, PAGE_SIZE, &host->sg_dma, GFP_KERNEL);
+ host->sg_cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, &host->sg_dma, GFP_KERNEL);
if (!host->sg_cpu) {
ret = -ENOMEM;
goto out;
@@ -511,10 +510,10 @@
if (ret)
goto out;
- dev_set_drvdata(dev, mmc);
+ platform_set_drvdata(pdev, mmc);
if (host->pdata && host->pdata->init)
- host->pdata->init(dev, pxamci_detect_irq, mmc);
+ host->pdata->init(&pdev->dev, pxamci_detect_irq, mmc);
mmc_add_host(mmc);
@@ -527,7 +526,7 @@
if (host->base)
iounmap(host->base);
if (host->sg_cpu)
- dma_free_coherent(dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+ dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
}
if (mmc)
mmc_free_host(mmc);
@@ -535,17 +534,17 @@
return ret;
}
-static int pxamci_remove(struct device *dev)
+static int pxamci_remove(struct platform_device *pdev)
{
- struct mmc_host *mmc = dev_get_drvdata(dev);
+ struct mmc_host *mmc = platform_get_drvdata(pdev);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
if (mmc) {
struct pxamci_host *host = mmc_priv(mmc);
if (host->pdata && host->pdata->exit)
- host->pdata->exit(dev, mmc);
+ host->pdata->exit(&pdev->dev, mmc);
mmc_remove_host(mmc);
@@ -560,7 +559,7 @@
free_irq(host->irq, host);
pxa_free_dma(host->dma);
iounmap(host->base);
- dma_free_coherent(dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+ dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
release_resource(host->res);
@@ -570,9 +569,9 @@
}
#ifdef CONFIG_PM
-static int pxamci_suspend(struct device *dev, pm_message_t state)
+static int pxamci_suspend(struct platform_device *dev, pm_message_t state)
{
- struct mmc_host *mmc = dev_get_drvdata(dev);
+ struct mmc_host *mmc = platform_get_drvdata(dev);
int ret = 0;
if (mmc)
@@ -581,9 +580,9 @@
return ret;
}
-static int pxamci_resume(struct device *dev)
+static int pxamci_resume(struct platform_device *dev)
{
- struct mmc_host *mmc = dev_get_drvdata(dev);
+ struct mmc_host *mmc = platform_get_drvdata(dev);
int ret = 0;
if (mmc)
@@ -596,23 +595,24 @@
#define pxamci_resume NULL
#endif
-static struct device_driver pxamci_driver = {
- .name = DRIVER_NAME,
- .bus = &platform_bus_type,
+static struct platform_driver pxamci_driver = {
.probe = pxamci_probe,
.remove = pxamci_remove,
.suspend = pxamci_suspend,
.resume = pxamci_resume,
+ .driver = {
+ .name = DRIVER_NAME,
+ },
};
static int __init pxamci_init(void)
{
- return driver_register(&pxamci_driver);
+ return platform_driver_register(&pxamci_driver);
}
static void __exit pxamci_exit(void)
{
- driver_unregister(&pxamci_driver);
+ platform_driver_unregister(&pxamci_driver);
}
module_init(pxamci_init);