mirror of https://github.com/dzavalishin/oskit/
59 lines
1.7 KiB
C
Executable File
59 lines
1.7 KiB
C
Executable File
/*
|
|
* Copyright (c) 1997-1998 University of Utah and the Flux Group.
|
|
* All rights reserved.
|
|
*
|
|
* This file is part of the Flux OSKit. The OSKit is free software, also known
|
|
* as "open source;" you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License (GPL), version 2, as published by the Free
|
|
* Software Foundation (FSF). To explore alternate licensing terms, contact
|
|
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
|
|
*
|
|
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
|
|
* received a copy of the GPL along with the OSKit; see the file COPYING. If
|
|
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
/*
|
|
* This routine repeatedly walks through the device tree
|
|
* and calls all the buses' probe routines
|
|
* until no more devices can be found.
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include <oskit/dev/dev.h>
|
|
#include <oskit/dev/device.h>
|
|
#include <oskit/dev/bus.h>
|
|
|
|
static int probe(oskit_bus_t *bus)
|
|
{
|
|
int found = 0;
|
|
oskit_device_t *dev;
|
|
oskit_bus_t *sub;
|
|
char pos[OSKIT_BUS_POS_MAX+1];
|
|
int i;
|
|
|
|
/* Probe this bus */
|
|
if (oskit_bus_probe(bus) > 0)
|
|
found = 1;
|
|
|
|
/* Find any child buses dangling from this bus */
|
|
for (i = 0; oskit_bus_getchild(bus, i, &dev, pos) == 0; i++) {
|
|
if (oskit_device_query(dev, &oskit_bus_iid, (void**)&sub) == 0)
|
|
probe(sub);
|
|
oskit_device_release(dev);
|
|
}
|
|
|
|
/* Release the reference to this bus node */
|
|
oskit_bus_release(bus);
|
|
|
|
return found;
|
|
}
|
|
|
|
void oskit_dev_probe(void)
|
|
{
|
|
while (probe(osenv_rootbus_getbus()));
|
|
}
|
|
|