linux-kernel - Re: [PATCH] gpio: pca953x: disable regmap locking

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Message-ID: <CAMuHMdWPwG-U6H+0Nmsz7fLgc-wQDnyQbZbw_rvkMZX6E4Q+0w@mail.gmail.com>
Date:   Tue, 7 Apr 2020 18:44:02 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Marek Vasut <marek.vasut@...il.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH] gpio: pca953x: disable regmap locking

On Tue, Apr 7, 2020 at 5:42 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
>
> This driver uses its own locking but regmap silently uses a mutex for
> all operations too. Add the option to disable locking to the regmap
> config struct.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

SATA on Salvator-XS with R-Car H3 ES2.0 relies on a pca9654 GPIO hog
and still works, so
Tested-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds