amba_reg_lock     687 drivers/tty/serial/amba-pl010.c static DEFINE_MUTEX(amba_reg_lock);
amba_reg_lock     741 drivers/tty/serial/amba-pl010.c 	mutex_lock(&amba_reg_lock);
amba_reg_lock     745 drivers/tty/serial/amba-pl010.c 			mutex_unlock(&amba_reg_lock);
amba_reg_lock     751 drivers/tty/serial/amba-pl010.c 	mutex_unlock(&amba_reg_lock);