diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/frv/mb93090-mb00/pci-vdk.c | 53 | ||||
| -rw-r--r-- | arch/x86/pci/common.c | 54 |
2 files changed, 0 insertions, 107 deletions
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index 6d51f133fb2..f003cfa68b7 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c @@ -199,58 +199,6 @@ static struct pci_ops * __init pci_check_direct(void) } /* - * Several buggy motherboards address only 16 devices and mirror - * them to next 16 IDs. We try to detect this `feature' on all - * primary buses (those containing host bridges as they are - * expected to be unique) and remove the ghost devices. - */ - -static void __init pcibios_fixup_ghosts(struct pci_bus *b) -{ - struct list_head *ln, *mn; - struct pci_dev *d, *e; - int mirror = PCI_DEVFN(16,0); - int seen_host_bridge = 0; - int i; - - for (ln=b->devices.next; ln != &b->devices; ln=ln->next) { - d = pci_dev_b(ln); - if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST) - seen_host_bridge++; - for (mn=ln->next; mn != &b->devices; mn=mn->next) { - e = pci_dev_b(mn); - if (e->devfn != d->devfn + mirror || - e->vendor != d->vendor || - e->device != d->device || - e->class != d->class) - continue; - for(i=0; i<PCI_NUM_RESOURCES; i++) - if (e->resource[i].start != d->resource[i].start || - e->resource[i].end != d->resource[i].end || - e->resource[i].flags != d->resource[i].flags) - continue; - break; - } - if (mn == &b->devices) - return; - } - if (!seen_host_bridge) - return; - printk("PCI: Ignoring ghost devices on bus %02x\n", b->number); - - ln = &b->devices; - while (ln->next != &b->devices) { - d = pci_dev_b(ln->next); - if (d->devfn >= mirror) { - list_del(&d->global_list); - list_del(&d->bus_list); - kfree(d); - } else - ln = ln->next; - } -} - -/* * Discover remaining PCI buses in case there are peer host bridges. * We use the number of last PCI bus provided by the PCI BIOS. */ @@ -356,7 +304,6 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) #if 0 printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number); #endif - pcibios_fixup_ghosts(bus); pci_read_bridge_bases(bus); if (bus->number == 0) { diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index c9ff4ff6673..900e1a78c3e 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -77,59 +77,6 @@ int pcibios_scanned; */ DEFINE_SPINLOCK(pci_config_lock); -/* - * Several buggy motherboards address only 16 devices and mirror - * them to next 16 IDs. We try to detect this `feature' on all - * primary buses (those containing host bridges as they are - * expected to be unique) and remove the ghost devices. - */ - -static void __devinit pcibios_fixup_ghosts(struct pci_bus *b) -{ - struct list_head *ln, *mn; - struct pci_dev *d, *e; - int mirror = PCI_DEVFN(16,0); - int seen_host_bridge = 0; - int i; - - DBG("PCI: Scanning for ghost devices on bus %d\n", b->number); - list_for_each(ln, &b->devices) { - d = pci_dev_b(ln); - if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST) - seen_host_bridge++; - for (mn=ln->next; mn != &b->devices; mn=mn->next) { - e = pci_dev_b(mn); - if (e->devfn != d->devfn + mirror || - e->vendor != d->vendor || - e->device != d->device || - e->class != d->class) - continue; - for(i=0; i<PCI_NUM_RESOURCES; i++) - if (e->resource[i].start != d->resource[i].start || - e->resource[i].end != d->resource[i].end || - e->resource[i].flags != d->resource[i].flags) - continue; - break; - } - if (mn == &b->devices) - return; - } - if (!seen_host_bridge) - return; - printk(KERN_WARNING "PCI: Ignoring ghost devices on bus %02x\n", b->number); - - ln = &b->devices; - while (ln->next != &b->devices) { - d = pci_dev_b(ln->next); - if (d->devfn >= mirror) { - list_del(&d->global_list); - list_del(&d->bus_list); - kfree(d); - } else - ln = ln->next; - } -} - static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) { struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE]; @@ -152,7 +99,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *b) { struct pci_dev *dev; - pcibios_fixup_ghosts(b); pci_read_bridge_bases(b); list_for_each_entry(dev, &b->devices, bus_list) pcibios_fixup_device_resources(dev); |