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thermal: exynos: Disable the regulator on probe failure

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During probe the regulator (if present) was enabled but not disabled in
case of failure. So an unsuccessful probe lead to enabling the
regulator which was actually not needed because the device was not
enabled.

Additionally each deferred probe lead to increase of regulator enable
count so it would not be effectively disabled during removal of the
device.

Test HW: Exynos4412 - Trats2 board

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Fixes: 498d22f616 ("thermal: exynos: Support for TMU regulator defined at device tree")
Cc: <[email protected]>
Reviewed-by: Javier Martinez Canillas <[email protected]>
Signed-off-by: Lukasz Majewski <[email protected]>
Tested-by: Lukasz Majewski <[email protected]>
Signed-off-by: Eduardo Valentin <[email protected]>
This commit is contained in:
Krzysztof Kozlowski 2015-06-08 10:35:49 +09:00 • committed by Eduardo Valentin
commit 5f09a5cbd1
1 changed files with 2 additions and 0 deletions
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2
drivers/thermal/samsung/exynos_tmu.c
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@ -1392,6 +1392,8 @@ err_clk_sec:
if (!IS_ERR(data->clk_sec))
clk_unprepare(data->clk_sec);
err_sensor:
if (!IS_ERR_OR_NULL(data->regulator))
regulator_disable(data->regulator);
thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd);
return ret;