From 3ae5eaec1d2d9c0cf53745352e7d4b152810ba24 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 9 Nov 2005 22:32:44 +0000 Subject: [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 Acked-by: Greg Kroah-Hartman --- drivers/video/imxfb.c | 45 ++++++++++++++++++++++----------------------- 1 file changed, 22 insertions(+), 23 deletions(-) (limited to 'drivers/video/imxfb.c') diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index e20b9f3a255f..5924cc225c95 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -423,18 +423,18 @@ static void imxfb_setup_gpio(struct imxfb_info *fbi) * Power management hooks. Note that we won't be called from IRQ context, * unlike the blank functions above, so we may sleep. */ -static int imxfb_suspend(struct device *dev, pm_message_t state) +static int imxfb_suspend(struct platform_device *dev, pm_message_t state) { - struct imxfb_info *fbi = dev_get_drvdata(dev); + struct imxfb_info *fbi = platform_get_drvdata(dev); pr_debug("%s\n",__FUNCTION__); imxfb_disable_controller(fbi); return 0; } -static int imxfb_resume(struct device *dev) +static int imxfb_resume(struct platform_device *dev) { - struct imxfb_info *fbi = dev_get_drvdata(dev); + struct imxfb_info *fbi = platform_get_drvdata(dev); pr_debug("%s\n",__FUNCTION__); imxfb_enable_controller(fbi); @@ -538,9 +538,8 @@ static int __init imxfb_map_video_memory(struct fb_info *info) return fbi->map_cpu ? 0 : -ENOMEM; } -static int __init imxfb_probe(struct device *dev) +static int __init imxfb_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); struct imxfb_info *fbi; struct fb_info *info; struct imxfb_mach_info *inf; @@ -553,21 +552,21 @@ static int __init imxfb_probe(struct device *dev) if(!res) return -ENODEV; - inf = dev->platform_data; + inf = pdev->dev.platform_data; if(!inf) { dev_err(dev,"No platform_data available\n"); return -ENOMEM; } - info = framebuffer_alloc(sizeof(struct imxfb_info), dev); + info = framebuffer_alloc(sizeof(struct imxfb_info), &pdev->dev); if(!info) return -ENOMEM; fbi = info->par; - dev_set_drvdata(dev, info); + platform_set_drvdata(pdev, info); - ret = imxfb_init_fbinfo(dev); + ret = imxfb_init_fbinfo(&pdev->dev); if( ret < 0 ) goto failed_init; @@ -621,22 +620,21 @@ failed_register: fb_dealloc_cmap(&info->cmap); failed_cmap: if (!inf->fixed_screen_cpu) - dma_free_writecombine(dev,fbi->map_size,fbi->map_cpu, + dma_free_writecombine(&pdev->dev,fbi->map_size,fbi->map_cpu, fbi->map_dma); failed_map: kfree(info->pseudo_palette); failed_regs: release_mem_region(res->start, res->end - res->start); failed_init: - dev_set_drvdata(dev, NULL); + platform_set_drvdata(pdev, NULL); framebuffer_release(info); return ret; } -static int imxfb_remove(struct device *dev) +static int imxfb_remove(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); - struct fb_info *info = dev_get_drvdata(dev); + struct fb_info *info = platform_get_drvdata(pdev); struct imxfb_info *fbi = info->par; struct resource *res; @@ -651,36 +649,37 @@ static int imxfb_remove(struct device *dev) framebuffer_release(info); release_mem_region(res->start, res->end - res->start + 1); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(pdev, NULL); return 0; } -void imxfb_shutdown(struct device * dev) +void imxfb_shutdown(struct platform_device * dev) { - struct fb_info *info = dev_get_drvdata(dev); + struct fb_info *info = platform_get_drvdata(dev); struct imxfb_info *fbi = info->par; imxfb_disable_controller(fbi); } -static struct device_driver imxfb_driver = { - .name = "imx-fb", - .bus = &platform_bus_type, +static struct platform_driver imxfb_driver = { .probe = imxfb_probe, .suspend = imxfb_suspend, .resume = imxfb_resume, .remove = imxfb_remove, .shutdown = imxfb_shutdown, + .driver = { + .name = "imx-fb", + }, }; int __init imxfb_init(void) { - return driver_register(&imxfb_driver); + return platform_driver_register(&imxfb_driver); } static void __exit imxfb_cleanup(void) { - driver_unregister(&imxfb_driver); + platform_driver_unregister(&imxfb_driver); } module_init(imxfb_init); -- cgit v1.2.3