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[4/5] powerpc/powernv: Fixup p7ioc PCIe root complex class code

Message ID 1320641761-4028-4-git-send-email-benh@kernel.crashing.org (mailing list archive)
State Accepted, archived
Commit ca45cfe31ee5b59eb2e0f19baac575a4f5b68537
Delegated to: Benjamin Herrenschmidt
Headers show

Commit Message

Benjamin Herrenschmidt Nov. 7, 2011, 4:56 a.m. UTC 
It advertises "host bridge" instead of "PCI to PCI bridge" which confuses
the Linux probe code.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/powernv/pci.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
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Patch

diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 8b90d94..baef772 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -416,6 +416,13 @@  static void __devinit pnv_pci_dma_dev_setup(struct pci_dev *pdev)
 		pnv_pci_dma_fallback_setup(hose, pdev);
 }
 
+/* Fixup wrong class code in p7ioc root complex */
+static void __devinit pnv_p7ioc_rc_quirk(struct pci_dev *dev)
+{
+	dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IBM, 0x3b9, pnv_p7ioc_rc_quirk);
+
 static int pnv_pci_probe_mode(struct pci_bus *bus)
 {
 	struct pci_controller *hose = pci_bus_to_host(bus);