[PATCH AUTOSEL 5.9 08/23] drm/tegra: sor: Disable clocks on error in tegra_sor_init()
From: Sasha Levin
Date: Sat Dec 12 2020 - 11:38:48 EST
From: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
[ Upstream commit bf3a3cdcad40e5928a22ea0fd200d17fd6d6308d ]
Fix the missing clk_disable_unprepare() before return from
tegra_sor_init() in the error handling case.
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/tegra/sor.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index f2a114f14a3db..b83a46df00584 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -3143,6 +3143,7 @@ static int tegra_sor_init(struct host1x_client *client)
if (err < 0) {
dev_err(sor->dev, "failed to deassert SOR reset: %d\n",
err);
+ clk_disable_unprepare(sor->clk);
return err;
}
@@ -3150,12 +3151,17 @@ static int tegra_sor_init(struct host1x_client *client)
}
err = clk_prepare_enable(sor->clk_safe);
- if (err < 0)
+ if (err < 0) {
+ clk_disable_unprepare(sor->clk);
return err;
+ }
err = clk_prepare_enable(sor->clk_dp);
- if (err < 0)
+ if (err < 0) {
+ clk_disable_unprepare(sor->clk_safe);
+ clk_disable_unprepare(sor->clk);
return err;
+ }
return 0;
}
--
2.27.0