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authorDaniel Axtens <dja@axtens.net>2015-03-31 16:00:40 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2015-04-11 20:49:10 +1000
commitba9c8f227358bcbc80fca19e7a339883cbc956a5 (patch)
treefe28a8cc565f878dcd80618cd957f6665fde385d /arch/powerpc/platforms/powermac/pci.c
parentpowerpc: move find_and_init_phbs() to pSeries specific code (diff)
downloadlinux-dev-ba9c8f227358bcbc80fca19e7a339883cbc956a5.tar.xz
linux-dev-ba9c8f227358bcbc80fca19e7a339883cbc956a5.zip
powerpc/powermac: move pmac_pci_probe_mode from setup.c to pci.c
Signed-off-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/powermac/pci.c')
-rw-r--r--arch/powerpc/platforms/powermac/pci.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index f4071a67ad00..a792f4552442 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -1223,3 +1223,20 @@ static void fixup_u4_pcie(struct pci_dev* dev)
pci_write_config_dword(dev, PCI_PREF_MEMORY_BASE, 0);
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_U4_PCIE, fixup_u4_pcie);
+
+#ifdef CONFIG_PPC64
+int pmac_pci_probe_mode(struct pci_bus *bus)
+{
+ struct device_node *node = pci_bus_to_OF_node(bus);
+
+ /* We need to use normal PCI probing for the AGP bus,
+ * since the device for the AGP bridge isn't in the tree.
+ * Same for the PCIe host on U4 and the HT host bridge.
+ */
+ if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") ||
+ of_device_is_compatible(node, "u4-pcie") ||
+ of_device_is_compatible(node, "u3-ht")))
+ return PCI_PROBE_NORMAL;
+ return PCI_PROBE_DEVTREE;
+}
+#endif /* CONFIG_PPC64 */