Re: [PATCH] pinctrl: pinconf-generic: check error value EOPNOTSUPP

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Mon, Apr 1, 2024 at 4:02 PM Peng Fan (OSS) <peng.fan@xxxxxxxxxxx> wrote:

> From: Peng Fan <peng.fan@xxxxxxx>
>
> The SCMI error value SCMI_ERR_SUPPORT maps to linux error value
> '-EOPNOTSUPP', so when dump configs, need check the error value
> EOPNOTSUPP, otherwise there will be log "ERROR READING CONFIG SETTING".
>
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
(...)
>                         ret = pin_config_get_for_pin(pctldev, pin, &config);
>                 /* These are legal errors */
> -               if (ret == -EINVAL || ret == -ENOTSUPP)
> +               if (ret == -EINVAL || ret == -ENOTSUPP || ret == -EOPNOTSUPP)

TBH it's a bit odd to call an in-kernel API such as pin_config_get_for_pin()
and get -EOPNOTSUPP back. But it's not like I care a lot, so patch applied.

Yours,
Linus Walleij