diff options
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/acpi.c | 9 | ||||
| -rw-r--r-- | arch/x86/pci/common.c | 20 | ||||
| -rw-r--r-- | arch/x86/pci/irq.c | 6 | ||||
| -rw-r--r-- | arch/x86/pci/legacy.c | 2 |
4 files changed, 33 insertions, 4 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 2ec04c424a62..15466c096ba5 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -34,6 +34,15 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "x3800"), }, }, + /* https://bugzilla.kernel.org/show_bug.cgi?id=16007 */ + /* 2006 AMD HT/VIA system with two host bridges */ + { + .callback = set_use_crs, + .ident = "ASRock ALiveSATA2-GLAN", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"), + }, + }, {} }; diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 215a27ae050d..a0772af64efb 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -125,6 +125,23 @@ void __init dmi_check_skip_isa_align(void) static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) { struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE]; + struct resource *bar_r; + int bar; + + if (pci_probe & PCI_NOASSIGN_BARS) { + /* + * If the BIOS did not assign the BAR, zero out the + * resource so the kernel doesn't attmept to assign + * it later on in pci_assign_unassigned_resources + */ + for (bar = 0; bar <= PCI_STD_RESOURCE_END; bar++) { + bar_r = &dev->resource[bar]; + if (bar_r->start == 0 && bar_r->end != 0) { + bar_r->flags = 0; + bar_r->end = 0; + } + } + } if (pci_probe & PCI_NOASSIGN_ROMS) { if (rom_r->parent) @@ -509,6 +526,9 @@ char * __devinit pcibios_setup(char *str) } else if (!strcmp(str, "norom")) { pci_probe |= PCI_NOASSIGN_ROMS; return NULL; + } else if (!strcmp(str, "nobar")) { + pci_probe |= PCI_NOASSIGN_BARS; + return NULL; } else if (!strcmp(str, "assign-busses")) { pci_probe |= PCI_ASSIGN_ALL_BUSSES; return NULL; diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 9810a0f76c91..f547ee05f715 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -989,7 +989,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin - 1, irq); /* Update IRQ for all devices with the same pirq value */ - while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) { + for_each_pci_dev(dev2) { pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin); if (!pin) continue; @@ -1028,7 +1028,7 @@ void __init pcibios_fixup_irqs(void) u8 pin; DBG(KERN_DEBUG "PCI: IRQ fixup\n"); - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + for_each_pci_dev(dev) { /* * If the BIOS has set an out of range IRQ number, just * ignore it. Also keep track of which IRQ's are @@ -1052,7 +1052,7 @@ void __init pcibios_fixup_irqs(void) return; dev = NULL; - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + for_each_pci_dev(dev) { pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (!pin) continue; diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c index 8d460eaf524f..c89266be6048 100644 --- a/arch/x86/pci/legacy.c +++ b/arch/x86/pci/legacy.c @@ -36,7 +36,7 @@ int __init pci_legacy_init(void) return 0; } -void pcibios_scan_specific_bus(int busn) +void __devinit pcibios_scan_specific_bus(int busn) { int devfn; long node; |