[PATCH 4.2.y-ckt 156/273] powerpc/eeh: Fix stale cached primary bus
4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know. ---8< From: Gavin Shancommit 05ba75f848647135f063199dc0e9f40fee769724 upstream. When PE is created, its primary bus is
[PATCH 4.2.y-ckt 156/273] powerpc/eeh: Fix stale cached primary bus
4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know. ---8< From: Gavin Shan commit 05ba75f848647135f063199dc0e9f40fee769724 upstream. When PE is created, its primary bus is cached to pe->bus. At later