Re: [PATCH] pinctrl: msm: Actually use function 0 for gpio selection

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Mon, Oct 1, 2018 at 11:49 PM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:

> This code needs to select function #0, which is the first int in the
> array of functions, not the number 0 which may or may not be the
> function for "GPIO mode" per the enum mapping. We were getting lucky on
> SDM845, where this was tested, because the function 0 matched the enum
> value for "GPIO mode". On other platforms, e.g. MSM8996, the gpio enum
> value is the last one in the list so this code doesn't work and we see a
> warning at boot. Fix it by grabbing the first element out of the array
> of functions.
>
> Cc: Doug Anderson <dianders@xxxxxxxxxxxx>
> Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Cc: Niklas Cassel <niklas.cassel@xxxxxxxxxx>
> Reported-by: Niklas Cassel <niklas.cassel@xxxxxxxxxx>
> Fixes: 1de7ddb3a15c ("pinctrl: msm: Mux out gpio function with gpio_request()")
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>

Patch applied with all the tags.

Yours,
Linus Walleij