linux-kernel - Re: genirq: Ensure we locate the passed IRQ in irq_alloc

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Date:	Mon, 6 Jun 2011 21:57:16 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Milton Miller <miltonm@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: genirq: Ensure we locate the passed IRQ in irq_alloc_descs()

On Mon, Jun 06, 2011 at 01:42:33PM -0600, Grant Likely wrote:
> On Sat, Jun 4, 2011 at 3:51 AM, Mark Brown

> > I'm not really sure what an IRQ domain is (the patch series you pointed
> > at before does rather appear to assume one knows already)

> (obviously I need to write some documentation).  irq_domains is some
> infrastructure to make managing a range of irq numbers easier, and
> also to handle the mapping of hw irq numbers to linux irq numbers.

Hrm, in that case it sounds rather like a lot of interrupt controllers
ought to be making themselves IRQ domains?
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