linux-kernel - Re: [PATCH 2/5] mtd: rawnand: ingenic: use gpiod_set_active

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Message-ID: <CACRpkdYtYDJa6fo6RnizHNzUsyazBQxEaNMznaij8rBF4ie+ew@mail.gmail.com>
Date:   Wed, 13 Sep 2023 22:12:40 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Harvey Hunt <harveyhuntnexus@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Daniel Scally <djrscally@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-mtd@...ts.infradead.org, platform-driver-x86@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 2/5] mtd: rawnand: ingenic: use gpiod_set_active_high()

On Wed, Sep 13, 2023 at 10:05 PM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Wed, Sep 13, 2023 at 2:50 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> >
> > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >
> > Use the new, less cumbersome interface for setting the GPIO as
> > active-high that doesn't require first checking the current state.
>
> ...
>
> >          * here for older DTs so we can re-use the generic nand_gpio_waitrdy()
> >          * helper, and be consistent with what other drivers do.
> >          */
> > -       if (of_machine_is_compatible("qi,lb60") &&
> > -           gpiod_is_active_low(nand->busy_gpio))
> > -               gpiod_toggle_active_low(nand->busy_gpio);
> > +       if (of_machine_is_compatible("qi,lb60"))
> > +               gpiod_set_active_high(nand->busy_gpio);
>
> Why not moving this quirk to gpiolib-of.c?

That's a better idea here I think, it's clearly a quirk for a
buggy device tree.

Yours,
Linus Walleij