Thread (83 messages) 83 messages, 12 authors, 2017-01-06

[PATCH V5 2/3] ARM64 LPC: Add missing range exception for special ISA

From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
Date: 2016-11-10 07:10:04
Also in: linux-devicetree, linux-pci, linux-serial, lkml

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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