lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] PCI hotplug: convert semaphores to mutex

Browse Source 
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>
This commit is contained in:
Ingo Molnar
2006-01-13 16:02:15 +01:00
committed by Greg Kroah-Hartman
parent c408a3794d
commit 6aa4cdd071
13 changed files with 143 additions and 137 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/pci/hotplug/ibmphp_hpc.c
View File

@@ -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);
}
/*----------------------------------------------------------------------