diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-06-08 12:21:27 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-06-08 12:21:27 +0100 |
| commit | e635a01ea0a16cf7cd31ecd2305870385dca9be6 (patch) | |
| tree | c7153e7dee5caf6ac90d85694ff27e4d0b606290 /arch/powerpc/kernel/pci-common.c | |
| parent | 143070e74630b9557e1bb64d899ff2cc5a1dcb48 (diff) | |
| parent | 947391cfbaa3b08558844c0b187bcd0223c3f660 (diff) | |
Merge branch 'next-mtd' of git://aeryn.fluff.org.uk/bjdooks/linux
Diffstat (limited to 'arch/powerpc/kernel/pci-common.c')
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 9c69e7e145c5..4fee63cb53ff 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); + } } } } |