linux-kernel - Re: [PATCH] mfd: Still check other interrupts if we get a wm831x touchscreen IRQ

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Message-ID: <20120108232326.GF13679@sortiz-mobl>
Date:	Mon, 9 Jan 2012 00:23:26 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Samuel Ortiz <sameo@...iux.intel.com>,
	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH] mfd: Still check other interrupts if we get a wm831x
 touchscreen IRQ

Hi Mark,

On Tue, Dec 27, 2011 at 05:20:10PM +0000, Mark Brown wrote:
> It is possible that we will see another interrupt triggering at the same
> time as the touchscreen interrupts so it's still worth checking other
> possible sources. Almost all of the win from the fast path comes from only
> needing to read the primary register and saving the I/O costs.
Thanks, applied.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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