From: Chris Metcalf <cmetcalf@tilera.com>
Date: Fri, 2 Aug 2013 20:45:22 +0000 (-0400)
Subject: tile PCI RC: support I/O space access
X-Git-Tag: v3.12-rc1~120^2~70
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf89c4262bd5fa70e67953126001c08ecea4f346;p=pandora-kernel.git

tile PCI RC: support I/O space access

To enable this functionality, configure CONFIG_TILE_PCI_IO.  Without
this flag, the kernel still assigns I/O address ranges to the
devices, but no TRIO resource and mapping support is provided.

We assign disjoint I/O address ranges to separate PCIe domains.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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