linux-kernel - Re: [PATCH] gpio: of: Allow overriding the device node

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Message-ID: <CACRpkdbAKHy8PjUr-fWToMKu3jZqfhkQHahQRfw6EFxqNYfY0w@mail.gmail.com>
Date:	Tue, 5 Jul 2016 17:25:15 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Thierry Reding <thierry.reding@...il.com>,
	Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio: of: Allow overriding the device node

On Tue, Jul 5, 2016 at 2:11 PM, Thierry Reding <thierry.reding@...il.com> wrote:

> From: Thierry Reding <treding@...dia.com>
>
> When registering a GPIO chip, drivers can override the device tree node
> associated with the chip by setting the chip's ->of_node field. If set,
> this field is supposed to take precedence over the ->parent->of_node
> field, but the code doesn't actually do that.
>
> Commit 762c2e46c059 ("gpio: of: remove of_gpiochip_and_xlate() and
> struct gg_data") exposes this because it now no longer matches on the
> GPIO chip's ->of_node field, but the GPIO device's ->of_node field that
> is set using the procedure described above.
>
> Signed-off-by: Thierry Reding <treding@...dia.com>

Thanks for catching this, patch applied with Alexandre's ACK.

Masahiro: does this look all right to you?

Yours,
Linus Walleij