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| author | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 14:59:19 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 14:59:19 +0200 |
| commit | 2f540738f8d228016c6cd0d3b303896c174ecee3 (patch) | |
| tree | 7e6574c041ac4386763f94d3d401d70f4ab6f55b /arch/powerpc/platforms/powermac/pci.c | |
| parent | a3849a4c038a21075a0bc7eaf37f65a93976d10c (diff) | |
| parent | d8e9c00e38f6947cef7f5466a0a3d369461ab97f (diff) | |
Merge branch 'tegra/cleanup' into next/cleanup
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 5cc83851ad06..31a7d3a7ce25 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 |