From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
Subject: Re: Threaded interrupts for synaptic touchscreen in HTC dream
Date: Wed, 22 Jul 2009 15:56:55 +0100
Message-ID: <20090722145654.GA4987@rakim.wolfsonmicro.main>
References: <20090721160436.GD4352@dtor-d630.eng.vmware.com>
 <alpine.LFD.2.00.0907212225030.2813@localhost.localdomain>
 <20090721222547.GA1948@opensource.wolfsonmicro.com>
 <alpine.LFD.2.00.0907221022190.2813@localhost.localdomain>
 <20090722121800.GD21171@rakim.wolfsonmicro.main>
 <alpine.LFD.2.00.0907221427380.2813@localhost.localdomain>
 <1248269443.27058.1449.camel@twins>
 <alpine.LFD.2.00.0907221615480.2813@localhost.localdomain>
 <20090722143211.GB29404@rakim.wolfsonmicro.main>
 <alpine.LFD.2.00.0907221645240.2813@localhost.localdomain>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <alpine.LFD.2.00.0907221645240.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
To: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Cc: Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Trilok Soni <soni.trilok-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>, Arve Hj?nnev?g <arve-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>, kernel list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Brian Swetland <swetland-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrew Morton <akpm-3NddpPZAyC0@public.gmane.org>, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Joonyoung Shim <jy0922.shim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, t.fujak-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>, Daniel Ribeiro <drwyrm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
List-Id: linux-input@vger.kernel.org

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.