diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/ucom.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/dev/usb/ucom.c b/sys/dev/usb/ucom.c index 7b719408e7b..e975b020763 100644 --- a/sys/dev/usb/ucom.c +++ b/sys/dev/usb/ucom.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ucom.c,v 1.23 2005/01/19 07:49:35 dlg Exp $ */ +/* $OpenBSD: ucom.c,v 1.24 2005/01/28 22:36:46 djm Exp $ */ /* $NetBSD: ucom.c,v 1.49 2003/01/01 00:10:25 thorpej Exp $ */ /* @@ -417,6 +417,15 @@ ucomopen(dev_t dev, int flag, int mode, usb_proc_ptr p) s = spltty(); ttsetwater(tp); + /* + * Turn on DTR. We must always do this, even if carrier is not + * present, because otherwise we'd have to use TIOCSDTR + * immediately after setting CLOCAL, which applications do not + * expect. We always assert DTR while the device is open + * unless explicitly requested to deassert it. + */ + ucom_dtr(sc, 1); + /* XXX CLR(sc->sc_rx_flags, RX_ANY_BLOCK);*/ ucom_hwiflow(sc); |