2025 static struct mutex hotkey_mutex;  variable
2330 	mutex_lock(&hotkey_mutex);  in tpacpi_hotkey_driver_mask_set()
2343 	mutex_unlock(&hotkey_mutex);  in tpacpi_hotkey_driver_mask_set()
2692 	mutex_lock(&hotkey_mutex);  in hotkey_poll_setup_safe()
2694 	mutex_unlock(&hotkey_mutex);  in hotkey_poll_setup_safe()
2797 	if (mutex_lock_killable(&hotkey_mutex))  in hotkey_mask_store()
2806 	mutex_unlock(&hotkey_mutex);  in hotkey_mask_store()
2893 	if (mutex_lock_killable(&hotkey_mutex))  in hotkey_source_mask_store()
2908 	mutex_unlock(&hotkey_mutex);  in hotkey_source_mask_store()
2941 	if (mutex_lock_killable(&hotkey_mutex))  in hotkey_poll_freq_store()
2947 	mutex_unlock(&hotkey_mutex);  in hotkey_poll_freq_store()
3160 	mutex_lock(&hotkey_mutex);  in hotkey_exit()
3162 	mutex_unlock(&hotkey_mutex);  in hotkey_exit()
3497 	mutex_init(&hotkey_mutex);  in hotkey_init()
4295 	if (mutex_lock_killable(&hotkey_mutex))  in hotkey_read()
4300 	mutex_unlock(&hotkey_mutex);  in hotkey_read()
4333 	if (mutex_lock_killable(&hotkey_mutex))  in hotkey_write()
4365 	mutex_unlock(&hotkey_mutex);  in hotkey_write()