327 	struct mutex			efr_lock; /* EFR registers access */  member
522 	mutex_lock(&one->efr_lock);  in sc16is7xx_set_baud()
541 	mutex_unlock(&one->efr_lock);  in sc16is7xx_set_baud()
715 	lockdep_assert_held_once(&one->efr_lock);  in sc16is7xx_update_mlines()
746 	mutex_lock(&one->efr_lock);  in sc16is7xx_port_irq()
793 	mutex_unlock(&one->efr_lock);  in sc16is7xx_port_irq()
825 	mutex_lock(&one->efr_lock);  in sc16is7xx_tx_proc()
827 	mutex_unlock(&one->efr_lock);  in sc16is7xx_tx_proc()
930 		mutex_lock(&one->efr_lock);  in sc16is7xx_ms_proc()
932 		mutex_unlock(&one->efr_lock);  in sc16is7xx_ms_proc()
1074 	mutex_lock(&one->efr_lock);  in sc16is7xx_set_termios()
1104 	mutex_unlock(&one->efr_lock);  in sc16is7xx_set_termios()
1558 		mutex_init(&s->p[i].efr_lock);  in sc16is7xx_probe()