diff options
Diffstat (limited to 'drivers/input/serio/libps2.c')
| -rw-r--r-- | drivers/input/serio/libps2.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c index dcb16b5cbec0..b3e84d3bb7f7 100644 --- a/drivers/input/serio/libps2.c +++ b/drivers/input/serio/libps2.c @@ -189,7 +189,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command) return -1; } - mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING); + mutex_lock(&ps2dev->cmd_mutex); serio_pause_rx(ps2dev->serio); ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0; @@ -251,9 +251,9 @@ EXPORT_SYMBOL(ps2_command); * ps2_schedule_command(), to a PS/2 device (keyboard, mouse, etc.) */ -static void ps2_execute_scheduled_command(void *data) +static void ps2_execute_scheduled_command(struct work_struct *work) { - struct ps2work *ps2work = data; + struct ps2work *ps2work = container_of(work, struct ps2work, work); ps2_command(ps2work->ps2dev, ps2work->param, ps2work->command); kfree(ps2work); @@ -278,7 +278,7 @@ int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int comman ps2work->ps2dev = ps2dev; ps2work->command = command; memcpy(ps2work->param, param, send); - INIT_WORK(&ps2work->work, ps2_execute_scheduled_command, ps2work); + INIT_WORK(&ps2work->work, ps2_execute_scheduled_command); if (!schedule_work(&ps2work->work)) { kfree(ps2work); @@ -296,6 +296,7 @@ EXPORT_SYMBOL(ps2_schedule_command); void ps2_init(struct ps2dev *ps2dev, struct serio *serio) { mutex_init(&ps2dev->cmd_mutex); + lockdep_set_subclass(&ps2dev->cmd_mutex, serio->depth); init_waitqueue_head(&ps2dev->wait); ps2dev->serio = serio; } |