static int __devinit macio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct device_node* np;
struct macio_chip* chip;
if (ent->vendor != PCI_VENDOR_ID_APPLE)
return -ENODEV;
/* Note regarding refcounting: We assume pci_device_to_OF_node() is
* ported to new OF APIs and returns a node with refcount incremented.
*/
np = pci_device_to_OF_node(pdev);
if (np == NULL)
return -ENODEV;
/* The above assumption is wrong !!!
* fix that here for now until I fix the arch code
*/
of_node_get(np);
/* We also assume that pmac_feature will have done a get() on nodes
* stored in the macio chips array
*/
chip = macio_find(np, macio_unknown);
of_node_put(np);
if (chip == NULL)
return -ENODEV;
/* XXX Need locking ??? */
if (chip->lbus.pdev == NULL) {
chip->lbus.pdev = pdev;
chip->lbus.chip = chip;
pci_set_drvdata(pdev, &chip->lbus);
pci_set_master(pdev);
}
printk(KERN_INFO "MacIO PCI driver attached to %s chipset\n",
chip->name);
/*
* HACK ALERT: The WallStreet PowerBook and some OHare based machines
* have 2 macio ASICs. I must probe the "main" one first or IDE
* ordering will be incorrect. So I put on "hold" the second one since
* it seem to appear first on PCI
*/
if (chip->type == macio_gatwick || chip->type == macio_ohareII)
if (macio_chips[0].lbus.pdev == NULL) {
macio_on_hold = chip;
return 0;
}
macio_pci_add_devices(chip);
if (macio_on_hold && macio_chips[0].lbus.pdev != NULL) {
macio_pci_add_devices(macio_on_hold);
macio_on_hold = NULL;
}
return 0;
}
static int __init macio_bus_driver_init(void)
{
#ifdef CONFIG_NBPMAC
struct macio_chip *chip;
int i, retval;
retval = bus_register(&macio_bus_type);
/*
* On NuBus PMacs we probe now because
* we don't have nor need any bus controller driver
*/
for (i = 0; i < MAX_MACIO_CHIPS; i++) {
chip = &macio_chips[i];
if (chip->type == macio_whitney ||
chip->type == macio_prime_time ||
chip->type == macio_amic) {
chip->lbus.chip = chip;
macio_pci_add_devices(chip);
}
}
return retval;
#else
return bus_register(&macio_bus_type);
#endif
}