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>
