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 }