On Fri, May 6, 2011 at 10:47 AM, Cyrill Gorcunov <[email protected]> wrote:
> Nod, making it dynamic force us to implement some kind of collector for
> pci devices, so that it would know pin/vector pair for every device. So
> in device init time we need to call kinda mptable_request_irq_pin()
> where we could "hint" allocator which pin and irq we need, and say "exclusive"
> flag which would tell allocator to fail if irq/pin already borrowed.
>
> The "hints" for every device might left hardcoded in some enum, for other
> irqs we might need pure dynamic vector allocator.
That's a separate problem, I think. What I'm proposing is moving the
complexity from the drivers to a centralized irq.c. We can still have
hard-coded pin/line pairs but we'd let drivers take advantage of them
in a more dynamic way.
Pekka
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