ldsem_up_read 275 drivers/tty/tty_ldisc.c ldsem_up_read(&tty->ldisc_sem); ldsem_up_read 296 drivers/tty/tty_ldisc.c ldsem_up_read(&tty->ldisc_sem); ldsem_up_read 312 drivers/tty/tty_ldisc.c ldsem_up_read(&ld->tty->ldisc_sem); ldsem_up_read 159 include/linux/tty_ldisc.h extern void ldsem_up_read(struct ld_semaphore *sem);