freebsd-nq/sys/dev/sn/if_sn_isa.c
Warner Losh c927ee19a4 Don't claim devices that we fail to probe for. Reverse the sense of a test
so that we return failure when we've failed and succeed when we succeed.
Otherwise, users always get a sn device :-(.

PR:		18431
Submitted by:	<sanpei@sanpei.org> MIHIRA Yoshiro-san
2000-05-07 18:20:40 +00:00

100 lines
2.8 KiB
C

/*
* Copyright (c) 1999 M. Warner Losh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Herb Peyerl.
* 4. The name of Herb Peyerl may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <machine/clock.h>
#include <isa/isavar.h>
#include <isa/pnpvar.h>
#include <dev/sn/if_snreg.h>
#include <dev/sn/if_snvar.h>
static int sn_isa_probe (device_t);
static int sn_isa_attach (device_t);
static int
sn_isa_probe (device_t dev)
{
if (isa_get_logicalid(dev)) /* skip PnP probes */
return (ENXIO);
if (sn_probe(dev, 0) != 0)
return (ENXIO);
return (0);
}
static int
sn_isa_attach (device_t dev)
{
#if 0 /* currently not tested */
struct sn_softc *sc = device_get_softc(dev);
#endif
#if 0 /* currently not tested */
sc->pccard_enaddr = 0;
#endif
return (0);
}
static device_method_t sn_isa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sn_isa_probe),
DEVMETHOD(device_attach, sn_isa_attach),
{ 0, 0 }
};
static driver_t sn_isa_driver = {
"sn",
sn_isa_methods,
sizeof(struct sn_softc),
};
extern devclass_t sn_devclass;
DRIVER_MODULE(sn, isa, sn_isa_driver, sn_devclass, 0, 0);