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Fix a bug in the DCD handling. Because the state of the DCD line was

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kept in a soft-copy that wasn't initialized on open, it sometimes happend
that a change of the carrier got lost. Also fixed some prototypes.
This commit is contained in:
leo 1996-03-08 21:50:40 +00:00
parent 30bb966970
commit bb2b6106da
1 changed files with 6 additions and 4 deletions
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10
sys/arch/atari/dev/zs.c
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@ -1,4 +1,4 @@
/* $NetBSD: zs.c,v 1.15 1996/02/22 10:11:37 leo Exp $ */ /* $NetBSD: zs.c,v 1.16 1996/03/08 21:50:40 leo Exp $ */
/* /*
* Copyright (c) 1995 L. Weppelman (Atari modifications) * Copyright (c) 1995 L. Weppelman (Atari modifications)
@ -182,6 +182,7 @@ dev_type_close(zsclose);
dev_type_read(zsread); dev_type_read(zsread);
dev_type_write(zswrite); dev_type_write(zswrite);
dev_type_ioctl(zsioctl); dev_type_ioctl(zsioctl);
dev_type_tty(zstty);
/* Interrupt handlers. */ /* Interrupt handlers. */
int zshard __P((long)); int zshard __P((long));
@ -195,10 +196,11 @@ static struct zs_chanstate *zslist;
/* Routines called from other code. */ /* Routines called from other code. */
static void zsstart __P((struct tty *)); static void zsstart __P((struct tty *));
void zsstop __P((struct tty *, int)); void zsstop __P((struct tty *, int));
static int zsparam __P((struct tty *, struct termios *));
static int zsbaudrate __P((int, int, int *, int *, int *, int *));
/* Routines purely local to this driver. */ /* Routines purely local to this driver. */
static void zsoverrun __P((int, long *, char *));
static int zsparam __P((struct tty *, struct termios *));
static int zsbaudrate __P((int, int, int *, int *, int *, int *));
static int zs_modem __P((struct zs_chanstate *, int, int)); static int zs_modem __P((struct zs_chanstate *, int, int));
static void zs_loadchannelregs __P((volatile struct zschan *, u_char *)); static void zs_loadchannelregs __P((volatile struct zschan *, u_char *));
@ -359,7 +361,7 @@ struct proc *p;
zs_modem(cs, ZSWR5_RTS|ZSWR5_DTR, DMSET); zs_modem(cs, ZSWR5_RTS|ZSWR5_DTR, DMSET);
/* May never get a status intr. if DCD already on. -gwr */ /* May never get a status intr. if DCD already on. -gwr */
if(cs->cs_zc->zc_csr & ZSRR0_DCD) if((cs->cs_rr0 = cs->cs_zc->zc_csr) & ZSRR0_DCD)
tp->t_state |= TS_CARR_ON; tp->t_state |= TS_CARR_ON;
if(cs->cs_softcar) if(cs->cs_softcar)
tp->t_state |= TS_CARR_ON; tp->t_state |= TS_CARR_ON;