linux-kernel - Re: [PATCH v3 1/5] dt-bindings: aspeed-sgpio: Convert txt bindings to yaml.

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Date:   Wed, 9 Jun 2021 11:17:22 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Steven Lee <steven_lee@...eedtech.com>
Cc:     Andrew Jeffery <andrew@...id.au>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-aspeed@...ts.ozlabs.org>,
        open list <linux-kernel@...r.kernel.org>,
        Hongwei Zhang <Hongweiz@....com>,
        Ryan Chen <ryan_chen@...eedtech.com>,
        Billy Tsai <billy_tsai@...eedtech.com>
Subject: Re: [PATCH v3 1/5] dt-bindings: aspeed-sgpio: Convert txt bindings to yaml.

On Fri, Jun 4, 2021 at 5:31 AM Steven Lee <steven_lee@...eedtech.com> wrote:

> However, it might affect users who update kernel/driver from the
> old kernel/driver as they may expect the gpio output pin base is start
> from 80(MAX_NR_HW_SGPIO).

Why? What users? In-kernel, out-of-tree-kernel or userspace users?

In-kernel users can be fixed, out-of-tree kernels we don't care about
and userspace should be using the character device.

Just change it.

Yours,
Linus Walleij