linux-kernel - Re: [PATCH 40/48] ARM: pxa: tosa: use gpio lookup for battery

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Message-ID: <CACRpkdbHGXfAKiN1sNTrLzRd5Qk-jerhcfvDo8FG=Zq94Dv19g@mail.gmail.com>
Date:   Sat, 7 May 2022 14:37:20 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     robert.jarzmik@...e.fr, linux-arm-kernel@...ts.infradead.org,
        Arnd Bergmann <arnd@...db.de>, Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Paul Parsons <lost.distance@...oo.com>,
        Tomas Cech <sleep_walker@...e.com>,
        Sergey Lapin <slapin@...fans.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Helge Deller <deller@....de>, Mark Brown <broonie@...nel.org>,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-ide@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-input@...r.kernel.org,
        patches@...nsource.cirrus.com, linux-leds@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-rtc@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        alsa-devel@...a-project.org, Sebastian Reichel <sre@...nel.org>
Subject: Re: [PATCH 40/48] ARM: pxa: tosa: use gpio lookup for battery

On Tue, Apr 19, 2022 at 6:44 PM Arnd Bergmann <arnd@...nel.org> wrote:

> From: Arnd Bergmann <arnd@...db.de>
>
> The battery driver uses a lot of GPIO lines, hardcoded from a
> machine header file.
>
> Change it to use a gpiod lookup table instead.
>
> Reviewed-by: Sebastian Reichel <sre@...nel.org>
> Acked-by: Sebastian Reichel <sre@...nel.org>
> Cc: linux-pm@...r.kernel.org
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Oh, I've been iterating a patch for the Tosa charging code
going down in MFD ans ASoC and all:
https://lore.kernel.org/linux-arm-kernel/20220125003741.492954-1-linus.walleij@linaro.org/

I just rebased this on v5.18-rc1 and resent with collected ACKs.

Please take a look at it, and see if you rather take that patch,
at some point I realized I had to go pretty deep around the
legacy code in different subsystems because the MFD device
us spawning a GPIO chip...

Yours,
Linus Walleij