linux-kernel - Re: [PATCH] pinctrl: msm: Use dynamic GPIO numbering

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Message-ID: <CACRpkdb0OWQzeJZ7K1bXrdNPwu0GhygW1p04Xoyf9WjTg7+=BQ@mail.gmail.com>
Date:   Wed, 7 Feb 2018 14:52:05 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Timur Tabi <timur@...eaurora.org>
Subject: Re: [PATCH] pinctrl: msm: Use dynamic GPIO numbering

On Mon, Jan 29, 2018 at 1:59 AM, Bjorn Andersson
<bjorn.andersson@...aro.org> wrote:

> The base of the TLMM gpiochip should not be statically defined as 0, fix
> this to not artificially restrict the existence of multiple pinctrl-msm
> devices.
>
> Fixes: f365be092572 ("pinctrl: Add Qualcomm TLMM driver")
> Reported-by: Timur Tabi <timur@...eaurora.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>

OK I put this in devel for v4.17, let's see if something explodes
in linux-next else we can go with this.

Otherwise we need something that conserves base 0 for singular
TLMM drivers and make it -1 for newer platforms with several
instances.

Yours,
Linus Walleij