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From: David Brownell <david-b@pacbell.net>
To: Felipe Balbi <felipe.balbi@nokia.com>
Subject: Re: [RFC/PATCH 0/4] twl4030 threaded_irq support
Date: Mon, 25 Jan 2010 23:36:55 -0800
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References: <20091212183410.GF3092@sirena.org.uk> <1260786654-13294-1-git-send-email-felipe.balbi@nokia.com> <201001252306.55625.david-b@pacbell.net>
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On Monday 25 January 2010, David Brownell wrote:
> Did the threaded IRQ stuff ever get set up so that the top
> level IRQ thread didn't have to hand off to another thread
> each time? ?(That's how the current stuff works. ?One thread
> calling out to each handler.)

Yes:  set_irq_nested_thread().  Looks like the toplevel IRQ
demux (in drivers/mfd/twl*irq*c) should use that, along with
the ONESHOT flag and (eventually) bus_lock stuff.

All the key parts that were missing a few years ago now seem
to be present.  But, not yet in use here.  :)

- Dave

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