diff options
| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2007-07-12 14:12:28 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@hyperion.delvare> | 2007-07-12 14:12:28 +0200 |
| commit | 9d9c01ceff00fcba50043f500cac471ecf6752c9 (patch) | |
| tree | c9760a35ff6afe6e859a268d765d52d44db91449 | |
| parent | d75d53cd571c02990d56e72f615ab11e943772f9 (diff) | |
scx200_acb: Use mutex instead of semaphore
The scx200_acb driver use a semaphore as mutex. Use the mutex API
instead of the (binary) semaphore.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
| -rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 0d6bd4f7b7fa..dc64f8b6b24a 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -388,7 +388,7 @@ static const struct i2c_algorithm scx200_acb_algorithm = { }; static struct scx200_acb_iface *scx200_acb_list; -static DECLARE_MUTEX(scx200_acb_list_mutex); +static DEFINE_MUTEX(scx200_acb_list_mutex); static __init int scx200_acb_probe(struct scx200_acb_iface *iface) { @@ -472,10 +472,10 @@ static int __init scx200_acb_create(struct scx200_acb_iface *iface) return -ENODEV; } - down(&scx200_acb_list_mutex); + mutex_lock(&scx200_acb_list_mutex); iface->next = scx200_acb_list; scx200_acb_list = iface; - up(&scx200_acb_list_mutex); + mutex_unlock(&scx200_acb_list_mutex); return 0; } @@ -633,10 +633,10 @@ static void __exit scx200_acb_cleanup(void) { struct scx200_acb_iface *iface; - down(&scx200_acb_list_mutex); + mutex_lock(&scx200_acb_list_mutex); while ((iface = scx200_acb_list) != NULL) { scx200_acb_list = iface->next; - up(&scx200_acb_list_mutex); + mutex_unlock(&scx200_acb_list_mutex); i2c_del_adapter(&iface->adapter); @@ -648,9 +648,9 @@ static void __exit scx200_acb_cleanup(void) release_region(iface->base, 8); kfree(iface); - down(&scx200_acb_list_mutex); + mutex_lock(&scx200_acb_list_mutex); } - up(&scx200_acb_list_mutex); + mutex_unlock(&scx200_acb_list_mutex); } module_init(scx200_acb_init); |