static int __init ethif_probe(struct net_device *dev)
{
unsigned long base_addr = dev->base_addr;
/*
* Backwards compatibility - historically an I/O base of 1 was
* used to indicate not to probe for this ethN interface
*/
if (base_addr == 1)
return 1; /* ENXIO */
/*
* The arch specific probes are 1st so that any on-board ethernet
* will be probed before other ISA/EISA/MCA/PCI bus cards.
*/
if (probe_list(dev, m68k_probes) == 0)
return 0;
if (probe_list(dev, mips_probes) == 0)
return 0;
if (probe_list(dev, arm_probes) == 0)
return 0;
if (probe_list(dev, sgi_probes) == 0)
return 0;
if (probe_list(dev, eisa_probes) == 0)
return 0;
if (probe_list(dev, mca_probes) == 0)
return 0;
/*
* Backwards compatibility - an I/O of 0xffe0 was used to indicate
* that we shouldn't do a bunch of potentially risky ISA probes
* for ethN (N>1). Since the widespread use of modules, *nobody*
* compiles a kernel with all the ISA drivers built in anymore,
* and so we should delete this check in linux 2.3 - Paul G.
*/
if (base_addr != 0xffe0 && probe_list(dev, isa_probes) == 0)
return 0;
if (probe_list(dev, parport_probes) == 0)
return 0;
return -ENODEV;
}
static struct resource *find_oprom(struct pci_dev *pdev)
{
struct resource *oprom = NULL;
int i;
for (i = 0; i < ARRAY_SIZE(adapter_rom_resources); i++) {
struct resource *res = &adapter_rom_resources[i];
unsigned short offset, vendor, device, list, rev;
const unsigned char *rom;
if (res->end == 0)
break;
rom = isa_bus_to_virt(res->start);
if (probe_kernel_address(rom + 0x18, offset) != 0)
continue;
if (probe_kernel_address(rom + offset + 0x4, vendor) != 0)
continue;
if (probe_kernel_address(rom + offset + 0x6, device) != 0)
continue;
if (match_id(pdev, vendor, device)) {
oprom = res;
break;
}
if (probe_kernel_address(rom + offset + 0x8, list) == 0 &&
probe_kernel_address(rom + offset + 0xc, rev) == 0 &&
rev >= 3 && list &&
probe_list(pdev, vendor, rom + offset + list)) {
oprom = res;
break;
}
}
return oprom;
}
