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path: root/drivers/pci/hotplug/ibmphp_hpc.c
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Diffstat (limited to 'drivers/pci/hotplug/ibmphp_hpc.c')
-rw-r--r--drivers/pci/hotplug/ibmphp_hpc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index 1a3eb8d3d4c..d680bb472c7 100644
--- a/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/drivers/pci/hotplug/ibmphp_hpc.c
@@ -34,6 +34,8 @@
#include <linux/pci.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
+#include <linux/mutex.h>
+
#include "ibmphp.h"
static int to_debug = FALSE;
@@ -101,7 +103,7 @@ static int to_debug = FALSE;
//----------------------------------------------------------------------------
static int ibmphp_shutdown;
static int tid_poll;
-static struct semaphore sem_hpcaccess; // lock access to HPC
+static struct mutex sem_hpcaccess; // lock access to HPC
static struct semaphore semOperations; // lock all operations and
// access to data structures
static struct semaphore sem_exit; // make sure polling thread goes away
@@ -131,7 +133,7 @@ void __init ibmphp_hpc_initvars (void)
{
debug ("%s - Entry\n", __FUNCTION__);
- init_MUTEX (&sem_hpcaccess);
+ mutex_init(&sem_hpcaccess);
init_MUTEX (&semOperations);
init_MUTEX_LOCKED (&sem_exit);
to_debug = FALSE;
@@ -778,7 +780,7 @@ int ibmphp_hpc_writeslot (struct slot * pslot, u8 cmd)
*---------------------------------------------------------------------*/
static void get_hpc_access (void)
{
- down (&sem_hpcaccess);
+ mutex_lock(&sem_hpcaccess);
}
/*----------------------------------------------------------------------
@@ -786,7 +788,7 @@ static void get_hpc_access (void)
*---------------------------------------------------------------------*/
void free_hpc_access (void)
{
- up (&sem_hpcaccess);
+ mutex_unlock(&sem_hpcaccess);
}
/*----------------------------------------------------------------------