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Disable "1284" device recognition early to work around

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a misfeature in the mode switching / 1284 code.
(It refuses to switch the port mode to eg "PS2"
sometimes if no device speaking the PnP protocol
is connected. Should be fixed elsewhere, but this
is a can of worms.)
This commit is contained in:
drochner 2006-05-10 10:33:40 +00:00
parent f4f8d2a3de
commit fa6adb2a78
1 changed files with 5 additions and 3 deletions
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8
sys/dev/ppbus/pps_ppbus.c
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@ -1,4 +1,4 @@
/* $NetBSD: pps_ppbus.c,v 1.5 2006/03/29 17:23:56 thorpej Exp $ */ /* $NetBSD: pps_ppbus.c,v 1.6 2006/05/10 10:33:40 drochner Exp $ */
/* /*
* Copyright (c) 2004 * Copyright (c) 2004
@ -27,7 +27,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pps_ppbus.c,v 1.5 2006/03/29 17:23:56 thorpej Exp $"); __KERNEL_RCSID(0, "$NetBSD: pps_ppbus.c,v 1.6 2006/05/10 10:33:40 drochner Exp $");
#include "opt_ntp.h" #include "opt_ntp.h"
@ -98,7 +98,7 @@ static int
ppsopen(dev_t dev, int flags, int fmt, struct lwp *l) ppsopen(dev_t dev, int flags, int fmt, struct lwp *l)
{ {
struct pps_softc *sc; struct pps_softc *sc;
int res; int res, weg = 0;
sc = device_lookup(&pps_cd, minor(dev)); sc = device_lookup(&pps_cd, minor(dev));
if (!sc) if (!sc)
@ -111,6 +111,8 @@ ppsopen(dev_t dev, int flags, int fmt, struct lwp *l)
PPBUS_WAIT|PPBUS_INTR, 0)) PPBUS_WAIT|PPBUS_INTR, 0))
return (EINTR); return (EINTR);
ppbus_write_ivar(sc->ppbus, PPBUS_IVAR_IEEE, &weg);
/* attach the interrupt handler */ /* attach the interrupt handler */
/* XXX priority should be set here */ /* XXX priority should be set here */
res = ppbus_add_handler(sc->ppbus, ppsintr, sc); res = ppbus_add_handler(sc->ppbus, ppsintr, sc);