From: Eric Miao <eric.y.miao@gmail.com>
To: Marc Zyngier <maz@misterjones.org>, David Brownell <david-b@pacbell.net>
Cc: lkml <linux-kernel@vger.kernel.org>,
Linux Arm Kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC][PATCH] Add interrupt handling capability to pca953x
Date: Mon, 16 Nov 2009 21:33:27 +0800 [thread overview]
Message-ID: <f17812d70911160533g175476ebraeaf7f56c48ac2cf@mail.gmail.com> (raw)
In-Reply-To: <20091115175550.68964c72@taxman.wild-wind.fr.eu.org>
On Mon, Nov 16, 2009 at 12:55 AM, Marc Zyngier <maz@misterjones.org> wrote:
> Most of the GPIO expanders controlled by the pca953x driver are
> able to report changes on the input pins through an *INT pin.
>
> This patch implements a very basic way for the platform code to
> be alerted when some input changes (both edge detection).
> It can be seen as a poor man irq_chip.
>
> Alternatively, this could be turned into a full-fledged irq_chip,
> though I'm not sure it is worth the complexity.
>
This actually has been submitted to the ML half a years ago along with
the first pca953x patch. I believe David Brownell has comments on
this, though :-)
prev parent reply other threads:[~2009-11-16 13:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-15 16:55 Marc Zyngier
2009-11-16 13:33 ` Eric Miao [this message]
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