powerpc/powernv: Needn't IO segment map for PHB3

PHB3 doesn't support IO ports and we needn't IO segment map for that.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Gavin Shan 2013-07-31 16:47:04 +08:00 • committed by Benjamin Herrenschmidt
commit c35d2a8c5f