diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/pci/pci.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 41af7fa2887..fa8e378413b 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -81,6 +81,7 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose) { static int next_busno; static int need_domain_info; + LIST_HEAD(resources); struct pci_bus *bus; if (!hose->iommu) @@ -89,7 +90,13 @@ static void __devinit pcibios_scanbus(struct pci_controller *hose) if (hose->get_busno && pci_probe_only) next_busno = (*hose->get_busno)(); - bus = pci_scan_bus(next_busno, hose->pci_ops, hose); + pci_add_resource(&resources, hose->mem_resource); + pci_add_resource(&resources, hose->io_resource); + bus = pci_scan_root_bus(NULL, next_busno, hose->pci_ops, hose, + &resources); + if (!bus) + pci_free_resource_list(&resources); + hose->bus = bus; need_domain_info = need_domain_info || hose->index; @@ -205,27 +212,6 @@ static int pcibios_enable_resources(struct pci_dev *dev, int mask) return 0; } -/* - * If we set up a device for bus mastering, we need to check the latency - * timer as certain crappy BIOSes forget to set it properly. - */ -static unsigned int pcibios_max_latency = 255; - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - if (lat < 16) - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; - else if (lat > pcibios_max_latency) - lat = pcibios_max_latency; - else - return; - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", - pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} - unsigned int pcibios_assign_all_busses(void) { return (pci_probe & PCI_ASSIGN_ALL_BUSSES) ? 1 : 0; @@ -266,15 +252,11 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) { /* Propagate hose info into the subordinate devices. */ - struct pci_controller *hose = bus->sysdata; struct list_head *ln; struct pci_dev *dev = bus->self; - if (!dev) { - bus->resource[0] = hose->io_resource; - bus->resource[1] = hose->mem_resource; - } else if (pci_probe_only && - (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { + if (pci_probe_only && dev && + (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { pci_read_bridge_bases(bus); pcibios_fixup_device_resources(dev, bus); } |