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drm/tegra: Add missing clk_disable_unprepare() in tegra_dc_probe()

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[ Upstream commit 7ad4384d53c67672a8720cdc2ef638d7d1710ab8 ]

Add the missing clk_disable_unprepare() before return from
tegra_dc_probe() in the error handling path.

Fixes: f68ba6912b ("drm/tegra: dc: Link DC1 to DC0 on Tegra20")
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Zekun 2022-08-02 08:50:50 +00:00 committed by Greg Kroah-Hartman
parent 542a87f1cf
commit 4ea79d0747
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/tegra/dc.c
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@ -2458,8 +2458,10 @@ 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);