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author | Russell King | 2010-10-18 16:20:21 +0200 |
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committer | Russell King | 2010-10-18 16:20:21 +0200 |
commit | 7f9c7e28119cf21ae1a035240da3705647d0d06a (patch) | |
tree | c0a1568e21c5ce6cd4112e44071040a3e611a9ec /drivers/video/pxa168fb.c | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/nico/orion into devel-stable (diff) | |
parent | ARM: pxa/balloon3: Disperse MFP config (diff) | |
download | kernel-qcow2-linux-7f9c7e28119cf21ae1a035240da3705647d0d06a.tar.gz kernel-qcow2-linux-7f9c7e28119cf21ae1a035240da3705647d0d06a.tar.xz kernel-qcow2-linux-7f9c7e28119cf21ae1a035240da3705647d0d06a.zip |
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
Diffstat (limited to 'drivers/video/pxa168fb.c')
-rw-r--r-- | drivers/video/pxa168fb.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c index a31a77ff6f3d..cea6403ae71c 100644 --- a/drivers/video/pxa168fb.c +++ b/drivers/video/pxa168fb.c @@ -784,12 +784,53 @@ failed: return ret; } +static int __devexit pxa168fb_remove(struct platform_device *pdev) +{ + struct pxa168fb_info *fbi = platform_get_drvdata(pdev); + struct fb_info *info; + int irq; + unsigned int data; + + if (!fbi) + return 0; + + /* disable DMA transfer */ + data = readl(fbi->reg_base + LCD_SPU_DMA_CTRL0); + data &= ~CFG_GRA_ENA_MASK; + writel(data, fbi->reg_base + LCD_SPU_DMA_CTRL0); + + info = fbi->info; + + unregister_framebuffer(info); + + writel(GRA_FRAME_IRQ0_ENA(0x0), fbi->reg_base + SPU_IRQ_ENA); + + if (info->cmap.len) + fb_dealloc_cmap(&info->cmap); + + irq = platform_get_irq(pdev, 0); + free_irq(irq, fbi); + + dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len), + info->screen_base, info->fix.smem_start); + + iounmap(fbi->reg_base); + + clk_disable(fbi->clk); + clk_put(fbi->clk); + + framebuffer_release(info); + + return 0; +} + static struct platform_driver pxa168fb_driver = { .driver = { .name = "pxa168-fb", .owner = THIS_MODULE, }, .probe = pxa168fb_probe, + .remove = __devexit_p(pxa168fb_remove), }; static int __init pxa168fb_init(void) @@ -798,6 +839,12 @@ static int __init pxa168fb_init(void) } module_init(pxa168fb_init); +static void __exit pxa168fb_exit(void) +{ + platform_driver_unregister(&pxa168fb_driver); +} +module_exit(pxa168fb_exit); + MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com> " "Green Wan <gwan@marvell.com>"); MODULE_DESCRIPTION("Framebuffer driver for PXA168/910"); |