From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
To: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
Linus Walleij
<linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org>,
Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH 1/2] gpio: add a driver for the Synopsys DesignWare APB GPIO block
Date: Tue, 20 Dec 2011 14:50:17 +0000 [thread overview]
Message-ID: <20111220145017.GC29727@sirena.org.uk> (raw)
In-Reply-To: <CACRpkdYu7HCBdAzqNr1pwZMgvZFyBYpcJXYo-RUx5R-U3CJ1BA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Sun, Dec 18, 2011 at 11:01:38PM +0100, Linus Walleij wrote:
> If you check drivers/gpio/gpio-u300.c you can see how I handled
> this on another hardware where triggering on falling and rising
> edges was a binary choice and thus mutually exclusive: I toggle
> for each interrupt.
This seems like a common pattern, ideally we'd be able to factor it out
into genirq (ideally along with the other common issue with simulating
level triggered interrupts using a controller that only does edge,
though that one is more involved).
next prev parent reply other threads:[~2011-12-20 14:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-18 10:13 [PATCH 1/2] gpio: add a driver for the Synopsys DesignWare APB GPIO block Jamie Iles
[not found] ` <1324203229-15571-1-git-send-email-jamie-wmLquQDDieKakBO8gow8eQ@public.gmane.org>
2011-12-18 10:13 ` [PATCH 2/2] ARM: picoxcell: use new Synopsys Designware GPIO binding Jamie Iles
2011-12-18 22:01 ` [PATCH 1/2] gpio: add a driver for the Synopsys DesignWare APB GPIO block Linus Walleij
[not found] ` <CACRpkdYu7HCBdAzqNr1pwZMgvZFyBYpcJXYo-RUx5R-U3CJ1BA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-19 0:44 ` Jamie Iles
2011-12-20 14:50 ` Mark Brown [this message]
2011-12-19 3:03 ` Rob Herring
[not found] ` <4EEEA983.7010402-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-12-19 9:56 ` Jamie Iles
2011-12-20 14:48 ` Mark Brown
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