diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-11-04 23:15:29 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-11-04 23:15:29 +0900 |
| commit | d63638440cfad75fb339fd1261bea0485c7c3ecc (patch) | |
| tree | d1705ceeef82eb0b7b58f9503a472be810f418f2 /arch/powerpc/platforms/powermac/pci.c | |
| parent | f1e0477a7b7a541f51eea279910eed4ddd010033 (diff) | |
| parent | 1a67a573b8d9f02211f36fbab50f6265dc49384a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into rmobile-latest
Diffstat (limited to 'arch/powerpc/platforms/powermac/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/pci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 5cc83851ad0..31a7d3a7ce2 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -561,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops = .write = u4_pcie_write_config, }; +static void __devinit pmac_pci_fixup_u4_of_node(struct pci_dev *dev) +{ + /* Apple's device-tree "hides" the root complex virtual P2P bridge + * on U4. However, Linux sees it, causing the PCI <-> OF matching + * code to fail to properly match devices below it. This works around + * it by setting the node of the bridge to point to the PHB node, + * which is not entirely correct but fixes the matching code and + * doesn't break anything else. It's also the simplest possible fix. + */ + if (dev->dev.of_node == NULL) + dev->dev.of_node = pcibios_get_phb_of_node(dev->bus); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node); + #endif /* CONFIG_PPC64 */ #ifdef CONFIG_PPC32 |