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Small optimisation & 1 fewer depedency on zs_ctty.

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This commit is contained in:
pk 1995-06-26 21:45:31 +00:00
parent 45eb69b276
commit 47ce042b76
1 changed files with 5 additions and 5 deletions
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10
sys/arch/sparc/dev/zs.c
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@ -1,4 +1,4 @@
/* $NetBSD: zs.c,v 1.29 1995/06/26 21:32:51 pk Exp $ */
/* $NetBSD: zs.c,v 1.30 1995/06/26 21:45:31 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -429,7 +429,7 @@ zs_checkcons(zi, unit, cs)
register struct tty *tp;
char *i, *o;
if ((tp = zs_ctty) == NULL)
if ((tp = zs_ctty) == NULL) /* XXX */
return (0);
i = zs_consin == unit ? "input" : NULL;
o = zs_consout == unit ? "output" : NULL;
@ -1095,9 +1095,9 @@ zsioctl(dev, cmd, data, flag, p)
{
int unit = minor(dev);
struct zsinfo *zi = zscd.cd_devs[unit >> 1];
register struct tty *tp = zi->zi_cs[unit & 1].cs_ttyp;
register int error, s;
register struct zs_chanstate *cs = &zi->zi_cs[unit & 1];
register struct tty *tp = cs->cs_ttyp;
register int error, s;
error = linesw[tp->t_line].l_ioctl(tp, cmd, data, flag, p);
if (error >= 0)
@ -1152,7 +1152,7 @@ zsioctl(dev, cmd, data, flag, p)
return(ENXIO);
s = splzs();
if ((userbits & TIOCFLAG_SOFTCAR) || (tp == zs_ctty)) {
if ((userbits & TIOCFLAG_SOFTCAR) || cs->cs_consio) {
cs->cs_softcar = 1; /* turn on softcar */
cs->cs_preg[15] &= ~ZSWR15_DCD_IE; /* turn off dcd */
cs->cs_creg[15] &= ~ZSWR15_DCD_IE;