diff options
| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2007-07-16 08:39:49 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 18:05:41 +0200 |
| commit | 9ac162521cd9796f44d263a61090634844c719a6 (patch) | |
| tree | 5988aba4299002ea4a425f747a275d29cb9dd3c5 /drivers/message/i2o/device.c | |
| parent | cpu hotplug: fix ksoftirqd termination on cpu hotplug with naughty realtime p... (diff) | |
| download | linux-9ac162521cd9796f44d263a61090634844c719a6.tar.xz linux-9ac162521cd9796f44d263a61090634844c719a6.zip | |
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>
Diffstat (limited to 'drivers/message/i2o/device.c')
| -rw-r--r-- | drivers/message/i2o/device.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c index 611adc3c0f74..489d7c5c4965 100644 --- a/drivers/message/i2o/device.c +++ b/drivers/message/i2o/device.c @@ -62,7 +62,7 @@ int i2o_device_claim(struct i2o_device *dev) { 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 @@ int i2o_device_claim(struct i2o_device *dev) 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 i2o_device_claim_release(struct i2o_device *dev) int tries; int rc = 0; - down(&dev->lock); + mutex_lock(&dev->lock); /* * If the controller takes a nonblocking approach to @@ -118,7 +118,7 @@ int i2o_device_claim_release(struct i2o_device *dev) 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 @@ static struct i2o_device *i2o_device_alloc(void) 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 @@ int i2o_device_parse_lct(struct i2o_controller *c) u16 table_size; u32 buf; - down(&c->lct_lock); + mutex_lock(&c->lct_lock); kfree(c->lct); @@ -335,7 +335,7 @@ int i2o_device_parse_lct(struct i2o_controller *c) 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 @@ int i2o_device_parse_lct(struct i2o_controller *c) i2o_device_remove(dev); } - up(&c->lct_lock); + mutex_unlock(&c->lct_lock); return 0; } |