linux-kernel - Re: [PATCH 1/6] ARM: OMAP1: ams-delta: add GPIO lookup tables

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Date:   Mon, 21 May 2018 20:10:44 +0200
From:   Janusz Krzysztofik <jmkrzyszt@...il.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Mark Brown <broonie@...nel.org>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Richard Weinberger <richard@....at>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Jarkko Nikula <jarkko.nikula@...mer.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-fbdev@...r.kernel.org,
        alsa-devel@...a-project.org
Subject: Re: [PATCH 1/6] ARM: OMAP1: ams-delta: add GPIO lookup tables

On Monday, May 21, 2018 7:35:19 PM CEST Tony Lindgren wrote:
> Hi,
> 
> * Janusz Krzysztofik <jmkrzyszt@...il.com> [180518 14:12]:
> > Scope of the change is limited to GPIO pins used by board specific
> > device drivers which will be updated by follow-up patches of the
> > series. Those are some OMAP GPIO (gpio-0-15) and most of Amstrad Delta
> > latch2 GPIO bank pins. Remaining pins of those banks, as well as
> > Amstrad Delta latch1 pins, will be addressed later.
> > 
> > Assign a label ("latch2") to the bank, enumerate its pins and put that
> > information, together with OMAP GPIO bank pins, in GPIO lookup tables.
> > Assign lookup tables to devices as soon as those devices are registered
> > and their names can be obtained.
> > 
> > A step froward in:
> > - removal of hard-coded GPIO numbers from drivers,
> > - removal of board mach includes from drivers,
> > - switching to dynamically assigned GPIO numbers.
> 
> Is this first patch safe for me to apply separately?

Absolutely, it is.

Thanks,
Janusz