From: Rajesh Yadav <ryadav@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx> Signed-off-by: Rajesh Yadav <ryadav@xxxxxxxxxxxxxx> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx> --- drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c index c4c37a7df637..4c03f0b7343e 100644 --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c @@ -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; -- Sean Paul, Software Engineer, Google / Chromium OS -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
