From: Wei Yang <weiyang@linux.vnet.ibm.com>
Date: Wed, 25 Mar 2015 08:24:01 +0000 (+0800)
Subject: powerpc/pci: Add PCI resource alignment documentation
X-Git-Tag: omap-for-v4.2/o2_dc~116^2~7^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=330524404298b2142d2e3a2f64251ca855d55d72;p=pandora-kernel.git

powerpc/pci: Add PCI resource alignment documentation

In order to enable SRIOV on PowerNV platform, the PF's IOV BAR needs to be
adjusted:

    1. size expanded
    2. aligned to M64BT size

This patch documents this change on the reason and how.

[bhelgaas: reformat, clarify, expand]
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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