linux-kernel - Re: [PATCH -next] gpio: mm-lantiq: Do not use gpiochip_get_data() in ltq_mm_save

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Message-ID: <CACRpkdYtcbpoW7ouO748szDKzZHtFaJ8A3=AKdDH8XenAS5jvA@mail.gmail.com>
Date:	Wed, 13 Jan 2016 10:21:54 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
	John Crispin <blogic@...nwrt.org>
Subject: Re: [PATCH -next] gpio: mm-lantiq: Do not use gpiochip_get_data() in ltq_mm_save_regs()

On Thu, Jan 7, 2016 at 5:24 PM, Guenter Roeck <linux@...ck-us.net> wrote:

> Commit 6aa7dbfa2877 ("gpio: mm-lantiq: use gpiochip data pointer") replaces
> the use of container_of() with gpiochip_get_data(). However, the data
> pointer is not yet set by the time the save_regs function is called.
>
> Fixes: 6aa7dbfa2877 ("gpio: mm-lantiq: use gpiochip data pointer")
> Cc: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
> Cc: John Crispin <blogic@...nwrt.org>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>

Patch applied.

> It might make sense to merge this patch into the patch causing the problem.

Nah, don't wanna rebase. Plus people should see all mistakes I make...

Yours,
Linus Walleij