linux-kernel - Re: [PATCH 2/5 v7] regulator: fixed/gpio: Pull inversion/OD into gpiolib

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Date:   Fri, 30 Nov 2018 02:28:36 +0100
From:   Janusz Krzysztofik <jmkrzyszt@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        Alexander Shiyan <shc_work@...l.ru>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Tony Lindgren <tony@...mide.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Petr Cvek <petr.cvek@....cz>,
        Paul Parsons <lost.distance@...oo.com>,
        Daniel Mack <zonque@...il.com>,
        Marc Zyngier <marc.zyngier@....com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Russell King <rmk+kernel@...linux.org.uk>
Subject: Re: [PATCH 2/5 v7] regulator: fixed/gpio: Pull inversion/OD into gpiolib

Hi Linus,

On Monday, November 19, 2018 8:11:23 AM CET Linus Walleij wrote:
> This pushes the handling of inversion semantics and open drain
> settings to the GPIO descriptor and gpiolib. All affected board
> files are also augmented.
> 
> This is especially nice since we don't have to have any
> confusing flags passed around to the left and right littering
> the fixed and GPIO regulator drivers and the regulator core.
> It is all just very straight-forward: the core asks the GPIO
> line to be asserted or deasserted and gpiolib deals with the
> rest depending on how the platform is configured: if the line
> is active low, it deals with that, if the line is open drain,
> it deals with that too.
> 
> Cc: Janusz Krzysztofik <jmkrzyszt@...il.com> # OMAP1

Tested-by: Janusz Krzysztofik <jmkrzyszt@...il.com>	#OMAP1 Amstrad Delta

Thanks,
Janusz