From ca45cfe31ee5b59eb2e0f19baac575a4f5b68537 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sun, 6 Nov 2011 18:56:00 +0000 Subject: [PATCH] powerpc/powernv: Fixup p7ioc PCIe root complex class code It advertises "host bridge" instead of "PCI to PCI bridge" which confuses the Linux probe code. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/powernv/pci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 8b90d945399a..baef772d41f4 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); -- 2.30.2