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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-11-09 22:32:44 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-11-09 22:32:44 (GMT) |
commit | 3ae5eaec1d2d9c0cf53745352e7d4b152810ba24 (patch) | |
tree | d8825be54cefb6ad6707478d719c8e30605bee7b /drivers/mtd/maps/plat-ram.c | |
parent | 00d3dcdd96646be6059cc21f2efa94c4edc1eda5 (diff) | |
download | linux-fsl-qoriq-3ae5eaec1d2d9c0cf53745352e7d4b152810ba24.tar.xz |
[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>
Diffstat (limited to 'drivers/mtd/maps/plat-ram.c')
-rw-r--r-- | drivers/mtd/maps/plat-ram.c | 68 |
1 files changed, 34 insertions, 34 deletions
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c index a02eed9..5d3c754 100644 --- a/drivers/mtd/maps/plat-ram.c +++ b/drivers/mtd/maps/plat-ram.c @@ -56,9 +56,9 @@ struct platram_info { * device private data to struct platram_info conversion */ -static inline struct platram_info *to_platram_info(struct device *dev) +static inline struct platram_info *to_platram_info(struct platform_device *dev) { - return (struct platram_info *)dev_get_drvdata(dev); + return (struct platram_info *)platform_get_drvdata(dev); } /* platram_setrw @@ -83,13 +83,13 @@ static inline void platram_setrw(struct platram_info *info, int to) * called to remove the device from the driver's control */ -static int platram_remove(struct device *dev) +static int platram_remove(struct platform_device *pdev) { - struct platram_info *info = to_platram_info(dev); + struct platram_info *info = to_platram_info(pdev); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(pdev, NULL); - dev_dbg(dev, "removing device\n"); + dev_dbg(&pdev->dev, "removing device\n"); if (info == NULL) return 0; @@ -130,61 +130,60 @@ static int platram_remove(struct device *dev) * driver is found. */ -static int platram_probe(struct device *dev) +static int platram_probe(struct platform_device *pdev) { - struct platform_device *pd = to_platform_device(dev); struct platdata_mtd_ram *pdata; struct platram_info *info; struct resource *res; int err = 0; - dev_dbg(dev, "probe entered\n"); + dev_dbg(&pdev->dev, "probe entered\n"); - if (dev->platform_data == NULL) { - dev_err(dev, "no platform data supplied\n"); + if (pdev->dev.platform_data == NULL) { + dev_err(&pdev->dev, "no platform data supplied\n"); err = -ENOENT; goto exit_error; } - pdata = dev->platform_data; + pdata = pdev->dev.platform_data; info = kmalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) { - dev_err(dev, "no memory for flash info\n"); + dev_err(&pdev->dev, "no memory for flash info\n"); err = -ENOMEM; goto exit_error; } memset(info, 0, sizeof(*info)); - dev_set_drvdata(dev, info); + platform_set_drvdata(pdev, info); - info->dev = dev; + info->dev = &pdev->dev; info->pdata = pdata; /* get the resource for the memory mapping */ - res = platform_get_resource(pd, IORESOURCE_MEM, 0); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { - dev_err(dev, "no memory resource specified\n"); + dev_err(&pdev->dev, "no memory resource specified\n"); err = -ENOENT; goto exit_free; } - dev_dbg(dev, "got platform resource %p (0x%lx)\n", res, res->start); + dev_dbg(&pdev->dev, "got platform resource %p (0x%lx)\n", res, res->start); /* setup map parameters */ info->map.phys = res->start; info->map.size = (res->end - res->start) + 1; - info->map.name = pdata->mapname != NULL ? pdata->mapname : (char *)pd->name; + info->map.name = pdata->mapname != NULL ? pdata->mapname : (char *)pdev->name; info->map.bankwidth = pdata->bankwidth; /* register our usage of the memory area */ - info->area = request_mem_region(res->start, info->map.size, pd->name); + info->area = request_mem_region(res->start, info->map.size, pdev->name); if (info->area == NULL) { - dev_err(dev, "failed to request memory region\n"); + dev_err(&pdev->dev, "failed to request memory region\n"); err = -EIO; goto exit_free; } @@ -192,23 +191,23 @@ static int platram_probe(struct device *dev) /* remap the memory area */ info->map.virt = ioremap(res->start, info->map.size); - dev_dbg(dev, "virt %p, %lu bytes\n", info->map.virt, info->map.size); + dev_dbg(&pdev->dev, "virt %p, %lu bytes\n", info->map.virt, info->map.size); if (info->map.virt == NULL) { - dev_err(dev, "failed to ioremap() region\n"); + dev_err(&pdev->dev, "failed to ioremap() region\n"); err = -EIO; goto exit_free; } simple_map_init(&info->map); - dev_dbg(dev, "initialised map, probing for mtd\n"); + dev_dbg(&pdev->dev, "initialised map, probing for mtd\n"); /* probe for the right mtd map driver */ info->mtd = do_map_probe("map_ram" , &info->map); if (info->mtd == NULL) { - dev_err(dev, "failed to probe for map_ram\n"); + dev_err(&pdev->dev, "failed to probe for map_ram\n"); err = -ENOMEM; goto exit_free; } @@ -237,27 +236,28 @@ static int platram_probe(struct device *dev) #endif /* CONFIG_MTD_PARTITIONS */ if (add_mtd_device(info->mtd)) { - dev_err(dev, "add_mtd_device() failed\n"); + dev_err(&pdev->dev, "add_mtd_device() failed\n"); err = -ENOMEM; } - dev_info(dev, "registered mtd device\n"); + dev_info(&pdev->dev, "registered mtd device\n"); return err; exit_free: - platram_remove(dev); + platram_remove(pdev); exit_error: return err; } /* device driver info */ -static struct device_driver platram_driver = { - .name = "mtd-ram", - .owner = THIS_MODULE, - .bus = &platform_bus_type, +static struct platform_driver platram_driver = { .probe = platram_probe, .remove = platram_remove, + .driver = { + .name = "mtd-ram", + .owner = THIS_MODULE, + }, }; /* module init/exit */ @@ -265,12 +265,12 @@ static struct device_driver platram_driver = { static int __init platram_init(void) { printk("Generic platform RAM MTD, (c) 2004 Simtec Electronics\n"); - return driver_register(&platram_driver); + return platform_driver_register(&platram_driver); } static void __exit platram_exit(void) { - driver_unregister(&platram_driver); + platform_driver_unregister(&platram_driver); } module_init(platram_init); |