Subject: [PATCH 2/3] thermal: exynos: Use devm_regulator_get_optional() for vtmu

From: [email-masked] (Krzysztof Kozlowski)
Date: Fri, 19 Feb 2016 09:33:03 +0900

On 19.02.2016 03:19, Javier Martinez Canillas wrote:
> The Exynos TMU DT binding says that the vtmu-supply is optional but the
> driver uses devm_regulator_get() that creates a dummy regulator if it's
> not defined in the DT. For example the following message is in the log:
> 
> 10060000.tmu supply vtmu not found, using dummy regulator
> 
> Use the optional version of regulator_get() that doesn't create a dummy
> regulator and instead returns a -ENODEV errno code. Since it's expected
> that a regulator may not be defined and the driver will inform about it:
> 
> exynos-tmu 10060000.tmu: Regulator node (vtmu) not found
> 
> Signed-off-by: Javier Martinez Canillas <[email-masked]>
> ---
> 
>  drivers/thermal/samsung/exynos_tmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Krzysztof Kozlowski <[email-masked]>

Best regards,
Krzysztof