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authorJaya Kumar <jayakumar.arm@gmail.com>2008-06-22 05:27:28 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-07 14:23:38 +0200
commit9f17f2874834f4cdbe48cc05676d8f7558793204 (patch)
treeac8658a13290f166afaf88484ecece193014f87e /drivers/video/pxafb.c
parent[ARM] 5063/1: pxa: add clk support for pxa2xx I2S (diff)
downloadlinux-9f17f2874834f4cdbe48cc05676d8f7558793204.tar.xz
linux-9f17f2874834f4cdbe48cc05676d8f7558793204.zip
[ARM] 5118/1: pxafb: add exit and remove handlers
This patch adds exit and remove handlers to pxafb so that it can be loaded and unloaded as a module. Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/video/pxafb.c')
-rw-r--r--drivers/video/pxafb.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 3ee314beacc1..3682bbd7e50e 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1777,11 +1777,49 @@ failed:
return ret;
}
+static int __devexit pxafb_remove(struct platform_device *dev)
+{
+ struct pxafb_info *fbi = platform_get_drvdata(dev);
+ struct resource *r;
+ int irq;
+ struct fb_info *info;
+
+ if (!fbi)
+ return 0;
+
+ info = &fbi->fb;
+
+ unregister_framebuffer(info);
+
+ pxafb_disable_controller(fbi);
+
+ if (fbi->fb.cmap.len)
+ fb_dealloc_cmap(&fbi->fb.cmap);
+
+ irq = platform_get_irq(dev, 0);
+ free_irq(irq, fbi);
+
+ dma_free_writecombine(&dev->dev, fbi->map_size,
+ fbi->map_cpu, fbi->map_dma);
+
+ iounmap(fbi->mmio_base);
+
+ r = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ release_mem_region(r->start, r->end - r->start + 1);
+
+ clk_put(fbi->clk);
+ kfree(fbi);
+
+ return 0;
+}
+
static struct platform_driver pxafb_driver = {
.probe = pxafb_probe,
+ .remove = pxafb_remove,
.suspend = pxafb_suspend,
.resume = pxafb_resume,
.driver = {
+ .owner = THIS_MODULE,
.name = "pxa2xx-fb",
},
};
@@ -1794,7 +1832,13 @@ static int __devinit pxafb_init(void)
return platform_driver_register(&pxafb_driver);
}
+static void __exit pxafb_exit(void)
+{
+ platform_driver_unregister(&pxafb_driver);
+}
+
module_init(pxafb_init);
+module_exit(pxafb_exit);
MODULE_DESCRIPTION("loadable framebuffer driver for PXA");
MODULE_LICENSE("GPL");