[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 --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index f6d606d..b1e2a77 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -80,6 +80,7 @@
struct controller {
struct list_head ctrl_list;
struct mutex crit_sect; /* critical section mutex */
+ struct mutex cmd_lock; /* command lock */
struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
int num_slots; /* Number of slots on ctlr */
int slot_num_inc; /* 1 or -1 */
