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/*
* $Id$
*
* drivers/pci/helper.c
*
* Copyright 1999 Jeff Garzik <jgarzik@mandrakesoft.com>
* This software is free. See the file COPYING for licensing details.
*
*/
#include <linux/kernel.h>
#include <linux/pci.h>
int pci_simple_probe (const struct pci_simple_probe_entry *list,
size_t match_limit, pci_simple_probe_callback cb,
void *drvr_data)
{
struct pci_dev *dev;
const struct pci_simple_probe_entry *ent;
size_t matches = 0;
unsigned short vendor, device;
int rc;
if (!list || !cb)
return -1;
dev = pci_find_device (PCI_ANY_ID, PCI_ANY_ID, NULL);
while (dev) {
ent = list;
while (ent->vendor && ent->device) {
vendor = ent->vendor;
device = ent->device;
if (((vendor != 0xFFFF) &&
(vendor != dev->vendor)) ||
((device != 0xFFFF) &&
(device != dev->device))) {
ent++;
continue;
}
if (((ent->subsys_vendor) &&
(ent->subsys_vendor != dev->subsystem_vendor)) ||
((ent->subsys_device) &&
(ent->subsys_device != dev->subsystem_device))) {
ent++;
continue;
}
rc = (* cb) (dev, matches, ent, drvr_data);
if (rc < 0)
return rc;
matches++;
if (match_limit && match_limit == matches)
return matches;
break; /* stop list search on first match */
}
dev = pci_find_device (PCI_ANY_ID, PCI_ANY_ID, dev);
}
return matches;
}
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