Re: [PATCH v2] mfd: stmpe: switch to using gpiod API

From: Linus Walleij
Date: Tue Sep 06 2022 - 14:59:00 EST


On Tue, Sep 6, 2022 at 8:35 PM Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:

> This patch switches the driver away from legacy gpio/of_gpio API to
> gpiod API, and removes use of of_get_named_gpio_flags() which I want to
> make private to gpiolib.
>
> We also need to patch relevant DTS files, as the original code relied on
> the fact that of_get_named_gpio_flags() would fetch any data encoded in
> GPIO flags, even if it does not reflect valid flags for a GPIO.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

> ---
>
> v1->v2:
> - add DTS changes, as noticed by Francesco Dolcini.
>
> I guess we could do a dance of changing stmpe to check the flags coming
> from DTS and try to distinguish IRQ flags from proper GPIO flags, then
> have a separate patch changing DTSes, and finally a 2nd patch to stmpe
> to use GPIOD API, but I am hoping we could apply this in one go...

It's a mess, let's just apply it and forget about it. It's one of those
trees falling in the forest and noone is there to hear it fall-type of
things.

Yours,
Linus Walleij