linux-kernel - Re: [PATCH 2/5] gpio: simplify gpiochip

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Message-ID: <CACRpkdZj4VSot1pABvo=UT7Qq7CZJ1HPhbJKc29nU8zhOLuKug@mail.gmail.com>
Date:	Wed, 23 Jul 2014 17:38:15 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Alexandre Courbot <acourbot@...dia.com>
Cc:	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Alexandre Courbot <gnurou@...il.com>
Subject: Re: [PATCH 2/5] gpio: simplify gpiochip_export()

On Tue, Jul 22, 2014 at 9:17 AM, Alexandre Courbot <acourbot@...dia.com> wrote:

> For some reason gpiochip_export() would invalidate all the descriptors
> of a chip if exporting it to sysfs failed. This does not appear as
> necessary. Remove that part of the code.
>
> While we are at it, add a note about the non-safety of temporarily
> releasing a spinlock in the middle of the loop that protects its
> iterator, and explain why this is done.
>
> Signed-off-by: Alexandre Courbot <acourbot@...dia.com>

Patch applied.

Yours,
Linus Walleij
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