On Fri, 11 Feb 2011 17:15:47 -0500 Kenny Ho <k...@belairnetworks.com> wrote:
> Thanks Scott. > > Do you know the logic of the hwirq <-> virq mapping? It's dynamic. > When I was digging into the GPIO interrupt, the hwirq seems to be the same as > the virq The allocator tries that if it's available, but if that virq is already taken, or is in the legacy ISA region under 16, you'll get a different number. > (both are 47 which is 16 (external interrupt) + 31 (internal interrupt). > If I want to use external interrupt 7 and 8, should the virq also be 7 > and 8? No. > For some reason I am getting 41 for virq... may be I am still > doing something wrong. It's correct. Pass what you receive into request_irq(). -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev