linux-kernel - Re: [PATCH v2 0/5] GPIO driver for Maxim MAX3191x

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Message-ID: <CACRpkdbEeq3qeF41Mn1vE=DgdkrGJ1P91Yff4cAW98FhBJO-nw@mail.gmail.com>
Date:   Fri, 13 Oct 2017 14:48:43 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Lukas Wunner <lukas@...ner.de>
Cc:     Mathias Duckeck <m.duckeck@...bus.de>,
        Phil Elwell <phil@...pberrypi.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jonathan Cameron <jic23@...nel.org>,
        Rojhalat Ibrahim <imr@...chenk.de>,
        Bart Van Assche <bart.vanassche@....com>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Neil Brown <neilb@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        "Theodore Ts'o" <tytso@....edu>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/5] GPIO driver for Maxim MAX3191x

On Thu, Oct 12, 2017 at 12:40 PM, Lukas Wunner <lukas@...ner.de> wrote:

> - Patch [1/5]: Change the argument order of assign_bit() to reflect
>   traditional "dst = src" in C. (Peter Zijlstra)
>
> - Patch [2/5]: Update documentation. (Linus Walleij)
>   Drop const qualifier from struct gpio_desc ** in all function
>   signatures to avoid a cast when passing a non-const array created
>   with gpiod_get_array(), which is likely the most common use case.

Applied these two so we get the infrastructure in place so others
can use it too.

> - Patch [3/5]: Newly inserted patch to introduce common property for
>   number of daisy-chained devices.
>
> - Patch [4/5]: Add vendor prefix to GPIO identifiers, use boolean
>   instead of integer to select mode, rename boolean to ignore
>   undervoltage alarms, separate compatible strings with newlines.
>   (Rob Herring)
>
> - Patch [5/5]: Optimize algorithm in max3191x_get_multiple() to
>   iterate over the bits in the mask, instead of iterating over every
>   chip, thus implicitly skipping chips which are not selected at all
>   by the mask.

These are pending device tree maintainer review.

Yours,
Linus Walleij