linux-kernel - Re: [PATCH 1/2] drivers: base: swnode: link devices to software nodes

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Message-ID: <CACRpkdZxJZyQD4WZ68hSNGXtGS23hHDv=rrnu9oFmMN0oRNb2w@mail.gmail.com>
Date:   Mon, 29 Jul 2019 00:11:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>
Cc:     "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        Linux Input <linux-input@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCH 1/2] drivers: base: swnode: link devices to software nodes

On Sat, Jul 13, 2019 at 9:53 AM Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:

> It is helpful to know what device, if any, a software node is tied to, so
> let's store a pointer to the device in software node structure. Note that
> children software nodes will inherit their parent's device pointer, so we
> do not have to traverse hierarchy to see what device the [sub]tree belongs
> to.
>
> We will be using the device pointer to locate GPIO lookup tables for
> devices with static properties.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

If some device core person like Rafael and/or Greg can ACK it I can
apply this patch to the GPIO tree.

Yours,
Linus Walleij