static int __init cpcihp_generic_init(void)
{
int status;
struct resource *r;
struct pci_dev *dev;
info(DRIVER_DESC " version: " DRIVER_VERSION);
status = validate_parameters();
if (status)
return status;
r = request_region(port, 1, "#ENUM hotswap signal register");
if (!r)
return -EBUSY;
dev = pci_get_domain_bus_and_slot(0, bridge_busnr,
PCI_DEVFN(bridge_slot, 0));
if (!dev || dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
err("Invalid bridge device %s", bridge);
pci_dev_put(dev);
return -EINVAL;
}
bus = dev->subordinate;
pci_dev_put(dev);
memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller));
generic_hpc.ops = &generic_hpc_ops;
status = cpci_hp_register_controller(&generic_hpc);
if (status != 0) {
err("Could not register cPCI hotplug controller");
return -ENODEV;
}
dbg("registered controller");
status = cpci_hp_register_bus(bus, first_slot, last_slot);
if (status != 0) {
err("Could not register cPCI hotplug bus");
goto init_bus_register_error;
}
dbg("registered bus");
status = cpci_hp_start();
if (status != 0) {
err("Could not started cPCI hotplug system");
goto init_start_error;
}
dbg("started cpci hp system");
return 0;
init_start_error:
cpci_hp_unregister_bus(bus);
init_bus_register_error:
cpci_hp_unregister_controller(&generic_hpc);
err("status = %d", status);
return status;
}
static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
int status;
status = zt5550_hc_config(pdev);
if(status != 0) {
return status;
}
dbg("returned from zt5550_hc_config");
memset(&zt5550_hpc, 0, sizeof (struct cpci_hp_controller));
zt5550_hpc.ops = &zt5550_hpc_ops;
if(!poll) {
zt5550_hpc.irq = hc_dev->irq;
zt5550_hpc.irq_flags = IRQF_SHARED;
zt5550_hpc.dev_id = hc_dev;
pax_open_kernel();
*(void **)&zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq;
*(void **)&zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq;
*(void **)&zt5550_hpc_ops.check_irq = zt5550_hc_check_irq;
pax_open_kernel();
} else {
info("using ENUM# polling mode");
}
status = cpci_hp_register_controller(&zt5550_hpc);
if(status != 0) {
err("could not register cPCI hotplug controller");
goto init_hc_error;
}
dbg("registered controller");
/* Look for first device matching cPCI bus's bridge vendor and device IDs */
if(!(bus0_dev = pci_get_device(PCI_VENDOR_ID_DEC,
PCI_DEVICE_ID_DEC_21154, NULL))) {
status = -ENODEV;
goto init_register_error;
}
bus0 = bus0_dev->subordinate;
pci_dev_put(bus0_dev);
status = cpci_hp_register_bus(bus0, 0x0a, 0x0f);
if(status != 0) {
err("could not register cPCI hotplug bus");
goto init_register_error;
}
dbg("registered bus");
status = cpci_hp_start();
if(status != 0) {
err("could not started cPCI hotplug system");
cpci_hp_unregister_bus(bus0);
goto init_register_error;
}
dbg("started cpci hp system");
return 0;
init_register_error:
cpci_hp_unregister_controller(&zt5550_hpc);
init_hc_error:
err("status = %d", status);
zt5550_hc_cleanup();
return status;
}