linux-kernel - Re: [PATCH] gpio: Renesas R-Car GPIO driver

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Message-ID: <CACRpkdYAynEEz__2MvXQNxbg-HLJVX9kutJeZeYBU6Y4Ka_N4w@mail.gmail.com>
Date:	Thu, 14 Mar 2013 09:01:25 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	linux-kernel@...r.kernel.org, grant.likely@...retlab.ca,
	horms@...ge.net.au, linux-sh@...r.kernel.org
Subject: Re: [PATCH] gpio: Renesas R-Car GPIO driver

On Thu, Mar 14, 2013 at 5:07 AM, Magnus Damm <magnus.damm@...il.com> wrote:
> On Thu, Mar 14, 2013 at 2:20 AM, Linus Walleij <linus.walleij@...aro.org> wrote:

>> It is quite common to request IRQ on *both* rising and falling edges,
>> what happens then?
(...)
> I may be wrong, but the switch above does AND with IRQ_TYPE_SENSE_MASK
> which makes me believe that the BOTH case will result in -EINVAL.

Yes you're right, I wasn't quite following. The code only
allows for one distinct flag, fine!

Yours,
Linus Walleij
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