int pcie_port_device_register(struct pci_dev *dev)
{
struct pcie_port_data *port_data;
- int status, capabilities, i, nr_serv;
+ int status, capabilities, i, nr_service;
int irqs[PCIE_PORT_DEVICE_MAXSERVICES];
+ /* Get and check PCI Express port services */
capabilities = get_port_device_capability(dev);
if (!capabilities)
return -ENODEV;
+ /* Allocate driver data for port device */
port_data = kzalloc(sizeof(*port_data), GFP_KERNEL);
if (!port_data)
return -ENOMEM;
if (status)
goto error_kfree;
pci_set_master(dev);
-
/*
* Initialize service irqs. Don't use service devices that
* require interrupts if there is no way to generate them.
}
/* Allocate child services if any */
- for (i = 0, nr_serv = 0; i < PCIE_PORT_DEVICE_MAXSERVICES; i++) {
+ status = -ENODEV;
+ nr_service = 0;
+ for (i = 0; i < PCIE_PORT_DEVICE_MAXSERVICES; i++) {
int service = 1 << i;
-
if (!(capabilities & service))
continue;
-
- status = pcie_device_init(dev, service, irqs[i]);
- if (!status)
- nr_serv++;
+ if (!pcie_device_init(dev, service, irqs[i]))
+ nr_service++;
}
- if (!nr_serv) {
- status = -ENODEV;
+ if (!nr_service)
goto error_cleanup_irqs;
- }
+
return 0;
error_cleanup_irqs: