[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>
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committed by
Russell King
parent
00d3dcdd96
commit
3ae5eaec1d
@@ -801,9 +801,9 @@ struct sa1111_save_data {
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#ifdef CONFIG_PM
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static int sa1111_suspend(struct device *dev, pm_message_t state)
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static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
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{
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struct sa1111 *sachip = dev_get_drvdata(dev);
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struct sa1111 *sachip = platform_get_drvdata(dev);
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struct sa1111_save_data *save;
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unsigned long flags;
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unsigned int val;
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@@ -812,7 +812,7 @@ static int sa1111_suspend(struct device *dev, pm_message_t state)
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save = kmalloc(sizeof(struct sa1111_save_data), GFP_KERNEL);
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if (!save)
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return -ENOMEM;
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dev->power.saved_state = save;
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dev->dev.power.saved_state = save;
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spin_lock_irqsave(&sachip->lock, flags);
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@@ -859,14 +859,14 @@ static int sa1111_suspend(struct device *dev, pm_message_t state)
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* restored by their respective drivers, and must be called
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* via LDM after this function.
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*/
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static int sa1111_resume(struct device *dev)
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static int sa1111_resume(struct platform_device *dev)
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{
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struct sa1111 *sachip = dev_get_drvdata(dev);
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struct sa1111 *sachip = platform_get_drvdata(dev);
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struct sa1111_save_data *save;
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unsigned long flags, id;
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void __iomem *base;
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save = (struct sa1111_save_data *)dev->power.saved_state;
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save = (struct sa1111_save_data *)dev->dev.power.saved_state;
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if (!save)
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return 0;
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@@ -879,7 +879,7 @@ static int sa1111_resume(struct device *dev)
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id = sa1111_readl(sachip->base + SA1111_SKID);
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if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
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__sa1111_remove(sachip);
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dev_set_drvdata(dev, NULL);
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platform_set_drvdata(dev, NULL);
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kfree(save);
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return 0;
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}
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@@ -911,7 +911,7 @@ static int sa1111_resume(struct device *dev)
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spin_unlock_irqrestore(&sachip->lock, flags);
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dev->power.saved_state = NULL;
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dev->dev.power.saved_state = NULL;
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kfree(save);
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return 0;
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@@ -922,9 +922,8 @@ static int sa1111_resume(struct device *dev)
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#define sa1111_resume NULL
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#endif
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static int sa1111_probe(struct device *dev)
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static int sa1111_probe(struct platform_device *pdev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct resource *mem;
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int irq;
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@@ -933,20 +932,20 @@ static int sa1111_probe(struct device *dev)
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return -EINVAL;
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irq = platform_get_irq(pdev, 0);
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return __sa1111_probe(dev, mem, irq);
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return __sa1111_probe(&pdev->dev, mem, irq);
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}
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static int sa1111_remove(struct device *dev)
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static int sa1111_remove(struct platform_device *pdev)
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{
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struct sa1111 *sachip = dev_get_drvdata(dev);
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struct sa1111 *sachip = platform_get_drvdata(pdev);
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if (sachip) {
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__sa1111_remove(sachip);
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dev_set_drvdata(dev, NULL);
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platform_set_drvdata(pdev, NULL);
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#ifdef CONFIG_PM
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kfree(dev->power.saved_state);
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dev->power.saved_state = NULL;
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kfree(pdev->dev.power.saved_state);
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pdev->dev.power.saved_state = NULL;
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#endif
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}
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@@ -962,13 +961,14 @@ static int sa1111_remove(struct device *dev)
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* We also need to handle the SDRAM configuration for
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* PXA250/SA1110 machine classes.
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*/
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static struct device_driver sa1111_device_driver = {
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.name = "sa1111",
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.bus = &platform_bus_type,
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static struct platform_driver sa1111_device_driver = {
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.probe = sa1111_probe,
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.remove = sa1111_remove,
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.suspend = sa1111_suspend,
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.resume = sa1111_resume,
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.driver = {
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.name = "sa1111",
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},
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};
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/*
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@@ -1256,13 +1256,13 @@ static int __init sa1111_init(void)
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{
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int ret = bus_register(&sa1111_bus_type);
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if (ret == 0)
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driver_register(&sa1111_device_driver);
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platform_driver_register(&sa1111_device_driver);
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return ret;
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}
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static void __exit sa1111_exit(void)
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{
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driver_unregister(&sa1111_device_driver);
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platform_driver_unregister(&sa1111_device_driver);
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bus_unregister(&sa1111_bus_type);
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}
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