184 tty_dev_register(struct tty_dev_t *driver)  in tty_dev_register()  argument
186 	if (driver) {  in tty_dev_register()
187 		driver->next = tty_dev_head;  in tty_dev_register()
188 		tty_dev_head = driver;  in tty_dev_register()
212 	struct tty_dev_t *driver;  in pty_get_driver()  local
213 	for (driver = tty_dev_head; driver != NULL; driver = driver->next) {  in pty_get_driver()
214 		if ((driver->primary == major || driver->replica == major)) {  in pty_get_driver()
218 	return driver;  in pty_get_driver()
224 	struct tty_dev_t *driver = pty_get_driver(dev);  in pty_get_ioctl()  local
226 		*out_driver = driver;  in pty_get_ioctl()
228 	if (driver && driver->open) {  in pty_get_ioctl()
229 		return driver->open(minor(dev), open_flag);  in pty_get_ioctl()
240 	struct tty_dev_t *driver = pty_get_driver(dev);  in pty_free_ioctl()  local
241 	if (driver && driver->free) {  in pty_free_ioctl()
242 		return driver->free(minor(dev), open_flag);  in pty_free_ioctl()
250 	struct tty_dev_t *driver = pty_get_driver(dev);  in pty_get_name()  local
251 	if (driver && driver->name) {  in pty_get_name()
252 		return driver->name(minor(dev), buffer, size);  in pty_get_name()
261 	struct tty_dev_t *driver;  in ptsopen()  local
263 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, PF_OPEN_S, &driver);  in ptsopen()
333 	struct tty_dev_t *driver;  in ptsclose()  local
334 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);  in ptsclose()
362 	if ((flag & IO_REVOKE) == IO_REVOKE && driver->revoke) {  in ptsclose()
363 		driver->revoke(minor(dev), tp);  in ptsclose()
486 	struct tty_dev_t *driver;  in ptcopen()  local
487 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, PF_OPEN_M, &driver);  in ptcopen()
518 	if (driver->open_reset) {  in ptcopen()
531 	struct tty_dev_t *driver;  in ptcclose()  local
532 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);  in ptcclose()
607 	if (driver->mac_notify) {  in ptcclose()
804 	struct tty_dev_t *driver;  local
805 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);
826 			retval = (driver->fix_7828447) ? tp->t_outq.c_cc : 1;
846 				retval = (driver->fix_7828447) ? retval : 1;
964 	struct tty_dev_t *driver;  local
965 	struct ptmx_ioctl *pti = pty_get_ioctl(dev, 0, &driver);
987 	if (major(dev) == driver->primary &&
988 	    driver->fix_7070978 &&
1094 			if (major(dev) == driver->primary) {
1095 				if (driver->mac_notify) {
1124 			if (major(dev) == driver->primary) {