This adds a  remove function to platform driver structure so that
resources are released when driver is unloaded.

Signed-off-by: Pramod Gurav <pramod.gu...@smartplayin.com>

CC: Jean-Christophe Plagniol-Villard <plagn...@jcrosoft.com>
CC: Tomi Valkeinen <tomi.valkei...@ti.com>
CC: Stephen Boyd <sb...@codeaurora.org>
CC: Jingoo Han <jg1....@samsung.com>
CC: Rob Clark <robdcl...@gmail.com>

---
 drivers/video/fbdev/msm/msm_fb.c |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/video/fbdev/msm/msm_fb.c b/drivers/video/fbdev/msm/msm_fb.c
index 1374803..4640188 100644
--- a/drivers/video/fbdev/msm/msm_fb.c
+++ b/drivers/video/fbdev/msm/msm_fb.c
@@ -589,6 +589,8 @@ static int msmfb_probe(struct platform_device *pdev)
 
        msmfb->sleeping = WAKING;
 
+       platform_set_drvdata(pdev, msmfb);
+
        return 0;
 
 error_register_framebuffer:
@@ -598,9 +600,23 @@ error_setup_fbmem:
        return ret;
 }
 
+static int msmfb_remove(struct platform_device *pdev)
+{
+       struct msmfb_info *msmfb;
+
+       msmfb = platform_get_drvdata(pdev);
+
+       unregister_framebuffer(msmfb->fb);
+       iounmap(msmfb->fb->screen_base);
+       framebuffer_release(msmfb->fb);
+
+       return 0;
+}
+
 static struct platform_driver msm_panel_driver = {
        /* need to write remove */
        .probe = msmfb_probe,
+       .remove = msmfb_remove,
        .driver = {.name = "msm_panel"},
 };
 
-- 
1.7.9.5

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