[SCSI] mpt fusion: convert inactive_list_mutex to a mutex

the semaphore inactive_list_mutex is used as a mutex, convert it to
the mutex API

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Acked-by: "Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/message/fusion/mptbase.c

@@ -2180,7 +2180,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		/*
 		 * Initalize link list for inactive raid volumes.
 		 */
-		init_MUTEX(&ioc->raid_data.inactive_list_mutex);
+		mutex_init(&ioc->raid_data.inactive_list_mutex);
 		INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
 
 		if (ioc->bus_type == SAS) {
@@ -5166,13 +5166,13 @@ mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
 	if (list_empty(&ioc->raid_data.inactive_list))
 		return;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	list_for_each_entry_safe(component_info, pNext,
 	    &ioc->raid_data.inactive_list, list) {
 		list_del(&component_info->list);
 		kfree(component_info);
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 }
 
 /**
@@ -5231,7 +5231,7 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	if (!handle_inactive_volumes)
 		goto out;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	for (i = 0; i < buffer->NumPhysDisks; i++) {
 		if(mpt_raid_phys_disk_pg0(ioc,
 		    buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
@@ -5251,7 +5251,7 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
 		list_add_tail(&component_info->list,
 		    &ioc->raid_data.inactive_list);
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 
  out:
 	if (buffer)

drivers/message/fusion/mptbase.h

@@ -51,6 +51,7 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/mutex.h>
 
 #include "lsi/mpi_type.h"
 #include "lsi/mpi.h"		/* Fusion MPI(nterface) basic defs */
@@ -531,7 +532,7 @@ struct inactive_raid_component_info {
 typedef	struct _RaidCfgData {
 	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
 	IOCPage3_t	*pIocPg3;		/* table of physical disks */
-	struct semaphore	inactive_list_mutex;
+	struct mutex	inactive_list_mutex;
 	struct list_head	inactive_list; /* link list for physical
 						disk that belong in
 						inactive volumes */

drivers/message/fusion/mptscsih.c

@@ -2304,14 +2304,14 @@ mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	if (list_empty(&ioc->raid_data.inactive_list))
 		goto out;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
 	    list) {
 		if ((component_info->d.PhysDiskID == id) &&
 		    (component_info->d.PhysDiskBus == channel))
 			rc = 1;
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 
  out:
 	return rc;
@@ -2341,14 +2341,14 @@ mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
 	if (list_empty(&ioc->raid_data.inactive_list))
 		goto out;
 
-	down(&ioc->raid_data.inactive_list_mutex);
+	mutex_lock(&ioc->raid_data.inactive_list_mutex);
 	list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
 	    list) {
 		if ((component_info->d.PhysDiskID == id) &&
 		    (component_info->d.PhysDiskBus == channel))
 			rc = component_info->d.PhysDiskNum;
 	}
-	up(&ioc->raid_data.inactive_list_mutex);
+	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
 
  out:
 	return rc;