diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/lirc/lirc_zilog.c | 32 |
1 files changed, 1 insertions, 31 deletions
diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c index 7389b77ece8c..3a912575e12d 100644 --- a/drivers/staging/lirc/lirc_zilog.c +++ b/drivers/staging/lirc/lirc_zilog.c @@ -305,34 +305,12 @@ static int lirc_thread(void *arg) static int set_use_inc(void *data) { - struct IR *ir = data; - - if (ir->l.owner == NULL || try_module_get(ir->l.owner) == 0) - return -ENODEV; - - /* lock bttv in memory while /dev/lirc is in use */ - /* - * this is completely broken code. lirc_unregister_driver() - * must be possible even when the device is open - */ - if (ir->rx != NULL) - i2c_use_client(ir->rx->c); - if (ir->tx != NULL) - i2c_use_client(ir->tx->c); - return 0; } static void set_use_dec(void *data) { - struct IR *ir = data; - - if (ir->rx) - i2c_release_client(ir->rx->c); - if (ir->tx) - i2c_release_client(ir->tx->c); - if (ir->l.owner != NULL) - module_put(ir->l.owner); + return; } /* safe read of a uint32 (always network byte order) */ @@ -1098,7 +1076,6 @@ static struct IR *find_ir_device_by_minor(unsigned int minor) static int open(struct inode *node, struct file *filep) { struct IR *ir; - int ret; unsigned int minor = MINOR(node->i_rdev); /* find our IR struct */ @@ -1112,12 +1089,6 @@ static int open(struct inode *node, struct file *filep) /* increment in use count */ mutex_lock(&ir->ir_lock); ++ir->open; - ret = set_use_inc(ir); - if (ret != 0) { - --ir->open; - mutex_unlock(&ir->ir_lock); - return ret; - } mutex_unlock(&ir->ir_lock); /* stash our IR struct */ @@ -1139,7 +1110,6 @@ static int close(struct inode *node, struct file *filep) /* decrement in use count */ mutex_lock(&ir->ir_lock); --ir->open; - set_use_dec(ir); mutex_unlock(&ir->ir_lock); return 0; |