diff options
Diffstat (limited to 'arch/powerpc/kernel/pci-common.c')
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 9c69e7e145c..5a56e97c5ac 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1366,12 +1366,17 @@ static void __init pcibios_allocate_resources(int pass) for_each_pci_dev(dev) { pci_read_config_word(dev, PCI_COMMAND, &command); - for (idx = 0; idx < 6; idx++) { + for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { r = &dev->resource[idx]; if (r->parent) /* Already allocated */ continue; if (!r->flags || (r->flags & IORESOURCE_UNSET)) continue; /* Not assigned at all */ + /* We only allocate ROMs on pass 1 just in case they + * have been screwed up by firmware + */ + if (idx == PCI_ROM_RESOURCE ) + disabled = 1; if (r->flags & IORESOURCE_IO) disabled = !(command & PCI_COMMAND_IO); else @@ -1382,17 +1387,19 @@ static void __init pcibios_allocate_resources(int pass) if (pass) continue; r = &dev->resource[PCI_ROM_RESOURCE]; - if (r->flags & IORESOURCE_ROM_ENABLE) { + if (r->flags) { /* Turn the ROM off, leave the resource region, * but keep it unregistered. */ u32 reg; - pr_debug("PCI: Switching off ROM of %s\n", - pci_name(dev)); - r->flags &= ~IORESOURCE_ROM_ENABLE; pci_read_config_dword(dev, dev->rom_base_reg, ®); - pci_write_config_dword(dev, dev->rom_base_reg, - reg & ~PCI_ROM_ADDRESS_ENABLE); + if (reg & PCI_ROM_ADDRESS_ENABLE) { + pr_debug("PCI: Switching off ROM of %s\n", + pci_name(dev)); + r->flags &= ~IORESOURCE_ROM_ENABLE; + pci_write_config_dword(dev, dev->rom_base_reg, + reg & ~PCI_ROM_ADDRESS_ENABLE); + } } } } @@ -1498,7 +1505,7 @@ void __init pcibios_resource_survey(void) * rest of the code later, for now, keep it as-is as our main * resource allocation function doesn't deal with sub-trees yet. */ -void __devinit pcibios_claim_one_bus(struct pci_bus *bus) +void pcibios_claim_one_bus(struct pci_bus *bus) { struct pci_dev *dev; struct pci_bus *child_bus; @@ -1526,7 +1533,6 @@ void __devinit pcibios_claim_one_bus(struct pci_bus *bus) list_for_each_entry(child_bus, &bus->children, node) pcibios_claim_one_bus(child_bus); } -EXPORT_SYMBOL_GPL(pcibios_claim_one_bus); /* pcibios_finish_adding_to_bus |