Re: [RFC/PATCH 0/4] twl4030 threaded_irq support

From: David Brownell
Date: Tue Jan 26 2010 - 02:43:45 EST


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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