[PATCH 2/2] ARM: dts: exynos: Fix mismatched values of SD drive strengh configuration on exynos4415
Javier Martinez Canillas
javier at osg.samsung.com
Thu Sep 1 03:21:54 PDT 2016
Hello Krzysztof,
On 09/01/2016 10:37 AM, Krzysztof Kozlowski wrote:
> The pinctrl drive strength register on exynos4415 is 2-bit wide for each
> pin. The pins for SD2 were configured with value of 4. The driver does
> not validate the value so this overflow effectively set a bit 1 in
> adjacent pins thus configuring them to drive strength 2x.
>
> The author's intention was probably to set drive strength of 4x.
> All other SD pins are configured with drive strength of 4x. Fix these
> with same pattern.
>
> Fixes: 9246e7ff24c5 ("ARM: dts: Add dts files for exynos4415 SoC")
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
> ---
Reviewed-by: Javier Martinez Canillas <javier at osg.samsung.com>
Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America
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