linux-kernel - Re: [PATCH 2/3 V2] gpio: add STMPE811 gpio controller support

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Message-ID: <20100614123420.GD14604@rakim.wolfsonmicro.main>
Date:	Mon, 14 Jun 2010 13:34:20 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Luotao Fu <l.fu@...gutronix.de>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3 V2] gpio: add STMPE811 gpio controller support

On Mon, Jun 14, 2010 at 02:28:53PM +0200, Luotao Fu wrote:

> right, to_irq is simple. However, there're some more stuff necessary for
> gpio irq on this chip, since it has separate registers for GPIO
> interrupt control and status. A further gpio chip might be needed
> needed to get the stuff done. Hence I'd like to push out the most
> importatn core funcationalities out for the first turn before I take a
> deeper look into other stuffs.

Ah, right - that makes sense.  I'd have expected it to have just flopped
out of haiving working IRQ support in the core.
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