This is a note to let you know that I've just added the patch titled drm/tegra: Add missing clk_disable_unprepare() in tegra_dc_probe() to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-tegra-add-missing-clk_disable_unprepare-in-tegra.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4f3b1d6da69b2be892f3b93f6ddf09e716395cfc Author: Zhang Zekun <zhangzekun11@xxxxxxxxxx> Date: Tue Aug 2 08:50:50 2022 +0000 drm/tegra: Add missing clk_disable_unprepare() in tegra_dc_probe() [ Upstream commit 7ad4384d53c67672a8720cdc2ef638d7d1710ab8 ] Add the missing clk_disable_unprepare() before return from tegra_dc_probe() in the error handling path. Fixes: f68ba6912bd2 ("drm/tegra: dc: Link DC1 to DC0 on Tegra20") Signed-off-by: Zhang Zekun <zhangzekun11@xxxxxxxxxx> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index a29d64f87563..abb409b08bc6 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -3022,8 +3022,10 @@ static int tegra_dc_probe(struct platform_device *pdev) usleep_range(2000, 4000); err = reset_control_assert(dc->rst); - if (err < 0) + if (err < 0) { + clk_disable_unprepare(dc->clk); return err; + } usleep_range(2000, 4000);