Use mutexes instead of semaphores in I2O driver
The I2O driver uses two semaphores as mutexes. Use the mutex API instead of
the (binary) semaphores.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c
index 611adc3..489d7c5 100644
--- a/drivers/message/i2o/device.c
+++ b/drivers/message/i2o/device.c
@@ -62,7 +62,7 @@
{
int rc = 0;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
rc = i2o_device_issue_claim(dev, I2O_CMD_UTIL_CLAIM, I2O_CLAIM_PRIMARY);
if (!rc)
@@ -72,7 +72,7 @@
pr_debug("i2o: claim of device %d failed %d\n",
dev->lct_data.tid, rc);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return rc;
}
@@ -96,7 +96,7 @@
int tries;
int rc = 0;
- down(&dev->lock);
+ mutex_lock(&dev->lock);
/*
* If the controller takes a nonblocking approach to
@@ -118,7 +118,7 @@
pr_debug("i2o: claim release of device %d failed %d\n",
dev->lct_data.tid, rc);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return rc;
}
@@ -198,7 +198,7 @@
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&dev->list);
- init_MUTEX(&dev->lock);
+ mutex_init(&dev->lock);
dev->device.bus = &i2o_bus_type;
dev->device.release = &i2o_device_release;
@@ -326,7 +326,7 @@
u16 table_size;
u32 buf;
- down(&c->lct_lock);
+ mutex_lock(&c->lct_lock);
kfree(c->lct);
@@ -335,7 +335,7 @@
lct = c->lct = kmalloc(table_size * 4, GFP_KERNEL);
if (!lct) {
- up(&c->lct_lock);
+ mutex_unlock(&c->lct_lock);
return -ENOMEM;
}
@@ -408,7 +408,7 @@
i2o_device_remove(dev);
}
- up(&c->lct_lock);
+ mutex_unlock(&c->lct_lock);
return 0;
}
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c
index 5278aad..c13b932 100644
--- a/drivers/message/i2o/exec-osm.c
+++ b/drivers/message/i2o/exec-osm.c
@@ -537,7 +537,7 @@
struct device *dev;
struct i2o_message *msg;
- down(&c->lct_lock);
+ mutex_lock(&c->lct_lock);
dev = &c->pdev->dev;
@@ -561,7 +561,7 @@
i2o_msg_post(c, msg);
- up(&c->lct_lock);
+ mutex_unlock(&c->lct_lock);
return 0;
};
diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
index 3305c12..a1ec16a 100644
--- a/drivers/message/i2o/iop.c
+++ b/drivers/message/i2o/iop.c
@@ -1067,7 +1067,7 @@
INIT_LIST_HEAD(&c->devices);
spin_lock_init(&c->lock);
- init_MUTEX(&c->lct_lock);
+ mutex_init(&c->lct_lock);
device_initialize(&c->device);