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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 16:42:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-21 16:42:32 -0700
commitb5153163ed580e00c67bdfecb02b2e3843817b3e (patch)
treeb8c878601f07f5df8f694435857a5f3dcfd75482 /drivers/video/pxa168fb.c
parenta8cbf22559ceefdcdfac00701e8e6da7518b7e8e (diff)
parent6451d7783ba5ff24eb1a544eaa6665b890f30466 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (278 commits) arm: remove machine_desc.io_pg_offst and .phys_io arm: use addruart macro to establish debug mappings arm: return both physical and virtual addresses from addruart arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC ARM: make struct machine_desc definition coherent with its comment eukrea_mbimxsd-baseboard: Pass the correct GPIO to gpio_free cpuimx27: fix compile when ULPI is selected mach-pcm037_eet: fix compile errors Fixing ethernet driver compilation error for i.MX31 ADS board cpuimx51: update board support mx5: add cpuimx51sd module and its baseboard iomux-mx51: fix GPIO_1_xx 's IOMUX configuration imx-esdhc: update devices registration mx51: add resources for SD/MMC on i.MX51 iomux-mx51: fix SD1 and SD2's iomux configuration clock-mx51: rename CLOCK1 to CLOCK_CCGR for better readability clock-mx51: factorize clk_set_parent and clk_get_rate eukrea_mbimxsd: add support for DVI displays cpuimx25 & cpuimx35: fix OTG port registration in host mode i.MX31 and i.MX35 : fix errate TLSbo65953 and ENGcm09472 ...
Diffstat (limited to 'drivers/video/pxa168fb.c')
-rw-r--r--drivers/video/pxa168fb.c47
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");