Messages in this thread | | | Subject | Re: [PATCH V5 2/3] ARM64 LPC: Add missing range exception for special ISA | From | Benjamin Herrenschmidt <> | Date | Thu, 10 Nov 2016 18:08:27 +1100 |
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On Wed, 2016-11-09 at 11:20 +0000, Mark Rutland wrote: > The big change would be to handle !MMIO translations, for which we'd > need a runtime registry of ISA bus instance to find the relevant > accessor ops and instance-specific data.
Yes. We do something a bit like that on ppc, we find the PCI bus for which the IO ports match and I have a hook to register the special indirect ISA.
It's a bit messy, we could do something nicer generically.
Cheers, Ben.
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