[PATCH] shpchp - cleanup check command status

This patch cleanups codes that check the command status. For this, it
introduces a new semaphore "cmd_sem" for each controller.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/pci/hotplug/shpchp.h
Simple merge

diff --cc drivers/pci/hotplug/shpchp_ctrl.c
Simple merge

diff --cc drivers/pci/hotplug/shpchp_hpc.c
Simple merge