Re: [PATCH] pinctrl: add pinctrl_register_reason() to return proper error code

From: SÃren Brinkmann
Date: Fri May 29 2015 - 12:16:58 EST


On Fri, 2015-05-29 at 08:30PM +0900, Masahiro Yamada wrote:
> The pinctrl_register() just returns NULL on error, so the callers
> can not know the exact reason of the failure.
>
> Some of the pinctrl drivers return -EINVAL, some -ENODEV, and some
> -ENOMEM on error of pinctrl_register() , although the error code
> might be different from the actual cause of the error.
>
> This new function, pinctrl_register_reason(), helps the drivers get
> and return the appropriate error code.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: SÃren Brinkmann <soren.brinkmann@xxxxxxxxxx>

SÃren
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