diff options
Diffstat (limited to 'src/devices/pci_device.c')
| -rw-r--r-- | src/devices/pci_device.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c index 4aed35d501..e6cebcaae6 100644 --- a/src/devices/pci_device.c +++ b/src/devices/pci_device.c @@ -551,15 +551,13 @@ static void pci_set_resource(struct device *dev, struct resource *resource) void pci_dev_set_resources(struct device *dev) { struct resource *res; - unsigned link; + struct bus *bus; u8 line; for (res = dev->resource_list; res; res = res->next) { pci_set_resource(dev, res); } - for (link = 0; link < dev->links; link++) { - struct bus *bus; - bus = &dev->link[link]; + for (bus = dev->link_list; bus; bus = bus->next) { if (bus->children) { assign_resources(bus); } @@ -614,10 +612,10 @@ void pci_bus_enable_resources(struct device *dev) /* Enable I/O in command register if there is VGA card * connected with (even it does not claim I/O resource). */ - if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA) + if (dev->link_list->bridge_ctrl & PCI_BRIDGE_CTL_VGA) dev->command |= PCI_COMMAND_IO; ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL); - ctrl |= dev->link[0].bridge_ctrl; + ctrl |= dev->link_list->bridge_ctrl; ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* Error check. */ printk(BIOS_DEBUG, "%s bridge ctrl <- %04x\n", dev_path(dev), ctrl); pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl); @@ -1102,9 +1100,17 @@ unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max, printk(BIOS_SPEW, "%s for %s\n", __func__, dev_path(dev)); - bus = &dev->link[0]; - bus->dev = dev; - dev->links = 1; + if (dev->link_list == NULL) { + struct bus *link; + link = malloc(sizeof(*link)); + if (link == NULL) + die("Couldn't allocate a link!\n"); + memset(link, 0, sizeof(*link)); + link->dev = dev; + dev->link_list = link; + } + + bus = dev->link_list; /* Set up the primary, secondary and subordinate bus numbers. We have * no idea how many buses are behind this bridge yet, so we set the @@ -1179,7 +1185,7 @@ unsigned int pci_scan_bridge(struct device *dev, unsigned int max) */ unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) { - max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); + max = pci_scan_bus(dev->link_list, PCI_DEVFN(0, 0), 0xff, max); return max; } |