diff options
| author | thompsa <thompsa@FreeBSD.org> | 2008-12-18 19:08:19 +0000 |
|---|---|---|
| committer | thompsa <thompsa@FreeBSD.org> | 2008-12-18 19:08:19 +0000 |
| commit | b439d24ba915e74a0004a88246a8825f0cb8ce4d (patch) | |
| tree | 125341e90983c124f9d85517f79b0195824f6d6a /sys/dev/usb | |
| parent | 153773c7cb44ee4f1fe3dc6d34130d58aa4afc91 (diff) | |
| download | FreeBSD-src-b439d24ba915e74a0004a88246a8825f0cb8ce4d.zip FreeBSD-src-b439d24ba915e74a0004a88246a8825f0cb8ce4d.tar.gz | |
Attempt to handoff the entire buffer with ttydisc_rint_bypass() before banging
each char separately.
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/ucom.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/sys/dev/usb/ucom.c b/sys/dev/usb/ucom.c index 9f595dd..3c39570 100644 --- a/sys/dev/usb/ucom.c +++ b/sys/dev/usb/ucom.c @@ -706,17 +706,20 @@ ucomrxchars(struct ucom_softc *sc, u_char *cp, u_int32_t cc) struct tty *tp = sc->sc_tty; /* Give characters to tty layer. */ - while (cc > 0) { - DPRINTFN(7, ("ucomreadcb: char = 0x%02x\n", *cp)); - if (ttydisc_rint(tp, *cp, 0) == -1) { - /* XXX what should we do? */ - printf("%s: lost %d chars\n", - device_get_nameunit(sc->sc_dev), cc); - break; + if (ttydisc_can_bypass(tp)) { + DPRINTFN(7, ("ucomreadcb: buf = %*D\n", cc, cp, "")); + cc = ttydisc_rint_bypass(tp, cp, cc); + } else { + while (cc > 0) { + DPRINTFN(7, ("ucomreadcb: char = 0x%02x\n", *cp)); + if (ttydisc_rint(tp, *cp, 0) == -1) + break; + cc--; + cp++; } - cc--; - cp++; } + if (cc > 0) + device_printf(sc->sc_dev, "lost %d chars\n", cc); ttydisc_rint_done(tp); } |
