length = 0;
}
- /* have to make sure we don't overflow the buffer
- with tty_insert_flip_char's */
- if (tty->flip.count+length > TTY_FLIPBUF_SIZE) {
- tty_flip_buffer_push(tty);
- need_flip = 0;
-
- if (tty->flip.count != 0) {
- /* flip didn't work, this happens when ftdi_process_read() is
- * called from ftdi_unthrottle, because TTY_DONT_FLIP is set */
- dbg("%s - flip buffer push failed", __FUNCTION__);
- break;
- }
- }
if (priv->rx_flags & THROTTLED) {
dbg("%s - throttled", __FUNCTION__);
break;
}
- if (tty->ldisc.receive_room(tty)-tty->flip.count < length) {
+ if (tty_buffer_request_room(tty, length) < length) {
/* break out & wait for throttling/unthrottling to happen */
dbg("%s - receive room low", __FUNCTION__);
break;