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media: mipi-csis: Add check for clk_enable()

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Add check for the return value of clk_enable() to gurantee the success.

Fixes: b5f1220d58 ("[media] v4l: Add v4l2 subdev driver for S5P/EXYNOS4 MIPI-CSI receivers")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Jiasheng Jiang 2024-11-25 19:18:18 +00:00 committed by Mauro Carvalho Chehab
parent 7b1ec3e389
commit 125ad1aeec
1 changed files with 8 additions and 2 deletions
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10
drivers/media/platform/samsung/exynos4-is/mipi-csis.c
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@ -940,13 +940,19 @@ static int s5pcsis_pm_resume(struct device *dev, bool runtime)
state->supplies);
goto unlock;
}
clk_enable(state->clock[CSIS_CLK_GATE]);
ret = clk_enable(state->clock[CSIS_CLK_GATE]);
if (ret) {
phy_power_off(state->phy);
regulator_bulk_disable(CSIS_NUM_SUPPLIES,
state->supplies);
goto unlock;
}
}
if (state->flags & ST_STREAMING)
s5pcsis_start_stream(state);
state->flags &= ~ST_SUSPENDED;
unlock:
unlock:
mutex_unlock(&state->lock);
return ret ? -EAGAIN : 0;
}