[PATCH] PCI hotplug: convert semaphores to mutex
semaphore to mutex conversion.
the conversion was generated via scripts, and the result was validated
automatically via a script as well.
build tested with allyesconfig.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index 1a3eb8d..d680bb4 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 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 @@
{
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 @@
*---------------------------------------------------------------------*/
static void get_hpc_access (void)
{
- down (&sem_hpcaccess);
+ mutex_lock(&sem_hpcaccess);
}
/*----------------------------------------------------------------------
@@ -786,7 +788,7 @@
*---------------------------------------------------------------------*/
void free_hpc_access (void)
{
- up (&sem_hpcaccess);
+ mutex_unlock(&sem_hpcaccess);
}
/*----------------------------------------------------------------------