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Attempt to handoff the entire buffer with ttydisc_rint_bypass() before banging

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each char separately.
This commit is contained in:
Andrew Thompson 2008-12-18 19:08:19 +00:00
parent fce5f960ba
commit 59a34231a4
1 changed files with 12 additions and 9 deletions
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21
sys/dev/usb/ucom.c
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@ -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);
}