diff options
Diffstat (limited to 'src/devices/agp_device.c')
| -rw-r--r-- | src/devices/agp_device.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/src/devices/agp_device.c b/src/devices/agp_device.c index 87c3a20082..7e510f8eee 100644 --- a/src/devices/agp_device.c +++ b/src/devices/agp_device.c @@ -26,27 +26,30 @@ static void agp_tune_dev(device_t dev) { - unsigned cap; + unsigned int cap; + cap = pci_find_capability(dev, PCI_CAP_ID_AGP); - if (!cap) { + if (!cap) return; - } - /* The OS is responsible for AGP tuning so do nothing here */ + + /* The OS is responsible for AGP tuning so do nothing here. */ } -unsigned int agp_scan_bus(struct bus *bus, - unsigned min_devfn, unsigned max_devfn, unsigned int max) +unsigned int agp_scan_bus(struct bus *bus, unsigned int min_devfn, + unsigned int max_devfn, unsigned int max) { device_t child; + max = pci_scan_bus(bus, min_devfn, max_devfn, max); - for(child = bus->children; child; child = child->sibling) { - if ( (child->path.pci.devfn < min_devfn) || - (child->path.pci.devfn > max_devfn)) - { + + for (child = bus->children; child; child = child->sibling) { + if ((child->path.pci.devfn < min_devfn) || + (child->path.pci.devfn > max_devfn)) { continue; } agp_tune_dev(child); } + return max; } @@ -55,7 +58,7 @@ unsigned int agp_scan_bridge(device_t dev, unsigned int max) return do_pci_scan_bridge(dev, max, agp_scan_bus); } -/** Default device operations for AGP bridges */ +/** Default device operations for AGP bridges. */ static struct pci_operations agp_bus_ops_pci = { .set_subsystem = 0, }; @@ -64,8 +67,8 @@ struct device_operations default_agp_ops_bus = { .read_resources = pci_bus_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_bus_enable_resources, - .init = 0, - .scan_bus = agp_scan_bridge, + .init = 0, + .scan_bus = agp_scan_bridge, .enable = 0, .reset_bus = pci_bus_reset, .ops_pci = &agp_bus_ops_pci, |