Date: Wed, 22 Jul 2009 17:15:59 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
cc: Peter Zijlstra <peterz@infradead.org>,
       Dmitry Torokhov <dmitry.torokhov@gmail.com>,
       Trilok Soni <soni.trilok@gmail.com>, Pavel Machek <pavel@ucw.cz>,
       Arve Hj?nnev?g <arve@android.com>,
       kernel list <linux-kernel@vger.kernel.org>,
       Brian Swetland <swetland@google.com>, linux-input@vger.kernel.org,
       Andrew Morton <akpm@osdl.org>, linux-i2c@vger.kernel.org,
       Joonyoung Shim <jy0922.shim@samsung.com>, m.szyprowski@samsung.com,
       t.fujak@samsung.com, kyungmin.park@samsung.com,
       David Brownell <david-b@pacbell.net>, Daniel Ribeiro <drwyrm@gmail.com>
Subject: Re: Threaded interrupts for synaptic touchscreen in HTC dream
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On Wed, 22 Jul 2009, Mark Brown wrote:

> On Wed, Jul 22, 2009 at 04:52:21PM +0200, Thomas Gleixner wrote:
> > On Wed, 22 Jul 2009, Mark Brown wrote:
> 
> > > The chips I'm deling with can certainly support doing that but I'm not
> > > sure there'd be enormous advantages - a lot of the interrupt handlers
> > > will either be trivial (eg, RTC ticks or alarms) or be serialised by a
> > > need to interact with the chip anyway.  I'd expect this to be generally
> > > true, though ICBW.
> 
> > So in your case it would be possible to run the various subdevice
> > thread_fn handlers from your main interrupt thread one after each
> > other ?
> 
> That's what they're all doing at present outside of genirq.

They just are racy against disable/enable/request/free I guess :)
 
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