diff options
Diffstat (limited to 'drivers/macintosh/adb.c')
| -rw-r--r-- | drivers/macintosh/adb.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index bf64e49d996..75049e76519 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -24,7 +24,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/adb.h> #include <linux/cuda.h> #include <linux/pmu.h> @@ -55,6 +54,7 @@ extern struct adb_driver adb_iop_driver; extern struct adb_driver via_pmu_driver; extern struct adb_driver macio_adb_driver; +static DEFINE_MUTEX(adb_mutex); static struct adb_driver *adb_driver_list[] = { #ifdef CONFIG_ADB_MACII &via_macii_driver, @@ -647,7 +647,7 @@ static int adb_open(struct inode *inode, struct file *file) struct adbdev_state *state; int ret = 0; - lock_kernel(); + mutex_lock(&adb_mutex); if (iminor(inode) > 0 || adb_controller == NULL) { ret = -ENXIO; goto out; @@ -665,7 +665,7 @@ static int adb_open(struct inode *inode, struct file *file) state->inuse = 1; out: - unlock_kernel(); + mutex_unlock(&adb_mutex); return ret; } @@ -674,7 +674,7 @@ static int adb_release(struct inode *inode, struct file *file) struct adbdev_state *state = file->private_data; unsigned long flags; - lock_kernel(); + mutex_lock(&adb_mutex); if (state) { file->private_data = NULL; spin_lock_irqsave(&state->lock, flags); @@ -687,7 +687,7 @@ static int adb_release(struct inode *inode, struct file *file) spin_unlock_irqrestore(&state->lock, flags); } } - unlock_kernel(); + mutex_unlock(&adb_mutex); return 0; } |