[PATCH 03/16] pinctrl: samsung: Detect and handle unsupported configuration types

[Linus Walleij]

On Mon, Oct 8, 2012 at 10:39 AM, Tomasz Figa <t.figa at samsung.com> wrote:

> This patch modifies the pinctrl-samsung driver to detect when width of a
> bit field is set to zero (which means that such configuraton type is not
> supported) and return an error instead of trying to modify an inexistent
> register.
>
> Signed-off-by: Tomasz Figa <t.figa at samsung.com>
> ---
>  drivers/pinctrl/pinctrl-samsung.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
> index dd108a9..c660fa5 100644
> --- a/drivers/pinctrl/pinctrl-samsung.c
> +++ b/drivers/pinctrl/pinctrl-samsung.c
> @@ -391,6 +391,9 @@ static int samsung_pinconf_rw(struct pinctrl_dev *pctldev, unsigned int pin,
>                 return -EINVAL;
>         }
>
> +       if (!width)
> +               return -EINVAL;
> +

Can this patch be applied in isolation from the others?
Thomas A: can you ACK this so I can apply it in that case?

Yours,
Linus Walleij