Commit 7a296796 authored Jun 25, 2018 by Rajesh Yadav Committed by Sean Paul Jul 26, 2018

drm/msm/dsi: initialize postdiv_lock before use for 10nm pll



postdiv_lock spinlock was used before initialization
for 10nm pll. It causes following spin_bug:
	"BUG: spinlock bad magic on CPU#0".
Initialize spinlock before its usage.

Changes in v3:
- Added Archit's R-b

Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rajesh Yadav <ryadav@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

parent 8b03ad30

drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -798,6 +798,8 @@ struct msm_dsi_pll msm_dsi_pll_10nm_init(struct platform_device pdev, int id)
		return ERR_PTR(-ENOMEM);
		}

		spin_lock_init(&pll_10nm->postdiv_lock);

		pll = &pll_10nm->base;
		pll->min_rate = 1000000000UL;
		pll->max_rate = 3500000000UL;