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path: root/drivers/video/fbdev/msm/msm_fb.c
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Diffstat (limited to 'drivers/video/fbdev/msm/msm_fb.c')
-rw-r--r--drivers/video/fbdev/msm/msm_fb.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/msm_fb.c b/drivers/video/fbdev/msm/msm_fb.c
index 1374803fbcd..2979d7e7212 100644
--- a/drivers/video/fbdev/msm/msm_fb.c
+++ b/drivers/video/fbdev/msm/msm_fb.c
@@ -569,8 +569,13 @@ static int msmfb_probe(struct platform_device *pdev)
mutex_init(&msmfb->panel_init_lock);
init_waitqueue_head(&msmfb->frame_wq);
INIT_WORK(&msmfb->resume_work, power_on_panel);
- msmfb->black = kzalloc(msmfb->fb->var.bits_per_pixel*msmfb->xres,
- GFP_KERNEL);
+ msmfb->black = devm_kzalloc(&pdev->dev,
+ msmfb->fb->var.bits_per_pixel*msmfb->xres,
+ GFP_KERNEL);
+ if (!msmfb->black) {
+ ret = -ENOMEM;
+ goto error_register_framebuffer;
+ }
printk(KERN_INFO "msmfb_probe() installing %d x %d panel\n",
msmfb->xres, msmfb->yres);
@@ -589,6 +594,8 @@ static int msmfb_probe(struct platform_device *pdev)
msmfb->sleeping = WAKING;
+ platform_set_drvdata(pdev, msmfb);
+
return 0;
error_register_framebuffer:
@@ -598,9 +605,23 @@ 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"},
};