[PATCH] drm/msm: use devm_gpiod_get_optional for optional reset gpio

[Linus Walleij]

On Tue, May 19, 2015 at 9:40 AM, Uwe Kleine-König
<u.kleine-koenig at pengutronix.de> wrote:

> Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
> which appeared in v3.17-rc1, the gpiod_get* functions take an additional
> parameter that allows to specify direction and initial value for output.
>
> Also there is a variant to find optional gpios that returns NULL if
> there is no gpio instead of -ENOENT.
>
> Make use of both features to simplify the driver.
>
> This makes error checking more strict because errors like -ENOSYS ("no
> gpio support compiled in") or -EPROBE_DEFER ("gpio not ready yet") are
> handled correctly now.
>
> Furthermore this is one caller less that stops us making the flags
> argument to gpiod_get*() mandatory.
>
> Fixes: a689554ba6ed ("drm/msm: Initial add DSI connector support")

I'd recommend dropping this Fixes:

> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>

Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

Yours,
Linus Walleij