Re: genirq: Ensure we locate the passed IRQ in irq_alloc_descs()

Grant Likely
2011-06-06T21:33:45Z

On Mon, Jun 6, 2011 at 2:57 PM, Mark Brown
<broonie@opensource.wolfsonmicro.com> wrote:
> 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?

yup, and I'll probably craft patches for RFC to do exactly that when
I've got irq_domains sorted out.

g.