linux-kernel - Re: [RFC PATCH] pinctrl: Add SX150X GPIO Extender Pinctrl Driver

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Message-ID: <CACRpkdYwAwCs+L8OG5xBmqJ+1BwL8OyJyJuYuCB584jLxTxdag@mail.gmail.com>
Date:   Thu, 8 Sep 2016 00:15:55 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     Peter Rosin <peda@...ntia.se>, Wei Chen <Wei.Chen@....com>,
        Roland Stigge <stigge@...com.de>,
        Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>
Subject: Re: [RFC PATCH] pinctrl: Add SX150X GPIO Extender Pinctrl Driver

On Tue, Sep 6, 2016 at 10:20 AM, Neil Armstrong <narmstrong@...libre.com> wrote:

> To make a slot-in replacement, it misses the sx150x_platform_data management
> like the gpio version, I only made a pure DT version. It should be easy to add back.
>
> But I see it nowhere... is it really necessary ?

If that is not used in the kernel, don't care to support it.
We're not designing for out-of-tree usecases, and here apparently
out-of-tree patches would be needed to make use of it.

Yours,
Linus Walleij