From: Stefan Agner <stefan@agner.ch>
Date: Thu, 20 Oct 2016 00:32:20 +0000 (-0700)
Subject: drm/fsl-dcu: unload driver before disabling clocks
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=39a5019a2c13580f21efc756babccb4c03b6a8ce;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/fsl-dcu: unload driver before disabling clocks

Use drm_put_dev to unload the driver before disabling clocks.
Otherwise the driver might read a register during unload which
leads to an external abort.

Signed-off-by: Stefan Agner <stefan@agner.ch>
---

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index 0b0d1cb11641..30c46a80a540 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -428,9 +428,9 @@ static int fsl_dcu_drm_remove(struct platform_device *pdev)
 {
 	struct fsl_dcu_drm_device *fsl_dev = platform_get_drvdata(pdev);
 
+	drm_put_dev(fsl_dev->drm);
 	clk_disable_unprepare(fsl_dev->clk);
 	clk_unregister(fsl_dev->pix_clk);
-	drm_put_dev(fsl_dev->drm);
 
 	return 0;
 }