linux-kernel - Re: [PATCH 1/1] gpio: add devm_ apis for gpio_chip

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Message-ID: <CACRpkdYGS1DogPDnY87HsN2PzDVHw-h6Y15Gv8qhLzgKrkMJtQ@mail.gmail.com>
Date:	Tue, 16 Feb 2016 16:03:26 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] gpio: add devm_ apis for gpio_chip_add and remove

On Mon, Feb 15, 2016 at 2:17 PM, Laxman Dewangan <ldewangan@...dia.com> wrote:

> Add device managed APIs devm_gpiochip_add_data() and
> devm_gpiochip_remove() for the APIs gpiochip_add_data()
> and gpiochip_remove().
>
> This helps in reducing code in error path and sometimes
> removal of .remove callback for driver unbind.
>
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>

I like the looks of this.

One comment: you must also patch
Documentation/driver-model/devres.txt

Will you also follow up with a massive patch set making use of
this new API? I feel bad about merging an API if it's not used.

Thanks for only supporting this for the new _data() function.

Yours,
Linus Walleij