linux-kernel - Re: [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of gpiochip_add

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Date:   Wed, 19 Jul 2017 15:28:21 +0530
From:   Keerthy <j-keerthy@...com>
To:     Johan Hovold <johan@...nel.org>
CC:     <linus.walleij@...aro.org>, <ssantosh@...nel.org>,
        <devicetree@...r.kernel.org>, <nsekhar@...com>,
        <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <robh+dt@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <fcooper@...com>
Subject: Re: [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of
 gpiochip_add_data



On Wednesday 19 July 2017 03:07 PM, Johan Hovold wrote:
> On Tue, Jul 18, 2017 at 04:27:13PM +0530, Keerthy wrote:
>> Use the devm version of gpiochip_add_data and pass on the
>> return value. Reset the static variables to 0 before returning.
> 
> You need to describe not just what you do, but also why you it. In this
> case, your fixing memory leaks and the gpio chip being left registered
> if this driver is unbound.

Sure i can add more description as mentioned above.

> 
> Johan
>