linux-kernel - Re: [PATCH v4 1/2] GPIO: add single-register GPIO via CREG driver

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Date:   Wed, 10 Oct 2018 09:21:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Eugeniy.Paltsev@...opsys.com
Cc:     "open list:SYNOPSYS ARC ARCHITECTURE" 
        <linux-snps-arc@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Vineet Gupta <vineet.gupta1@...opsys.com>,
        Alexey Brodkin <alexey.brodkin@...opsys.com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 1/2] GPIO: add single-register GPIO via CREG driver

On Fri, Sep 28, 2018 at 3:15 PM Eugeniy Paltsev
<Eugeniy.Paltsev@...opsys.com> wrote:

> Add single-register MMIO GPIO driver for complex cases where
> only several fields in register belong to GPIO lines and each GPIO
> line owns a field with different length and on/off value.
>
> Such CREG GPIOs are used in Synopsys AXS10x and HSDK boards.
>
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
> ---
> Changes v3->v4:
>  * Cleanup 'include' section.
>  * Get rid of 'of_mm_gpio_chip' using.
>  * Get rid of custom 'creg_gpio_xlate' function.
>  * Get rid of dummy 'creg_gpio_get_direction' function.
>  * Small fixies.

Patch applied.

Yours,
Linus Walleij