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authorMatthias Kaehlcke <matthias.kaehlcke@gmail.com>2007-07-12 16:12:28 +0400
committerJean Delvare <khali@hyperion.delvare>2007-07-12 16:12:28 +0400
commit9d9c01ceff00fcba50043f500cac471ecf6752c9 (patch)
treec9760a35ff6afe6e859a268d765d52d44db91449 /drivers/i2c
parentd75d53cd571c02990d56e72f615ab11e943772f9 (diff)
downloadlinux-9d9c01ceff00fcba50043f500cac471ecf6752c9.tar.xz
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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/scx200_acb.c14
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);