From 9e9e8935215d164cea2f49a7679cc0663c2253b6 Mon Sep 17 00:00:00 2001 From: Gavin Shan Date: Wed, 12 Nov 2014 13:36:05 +1100 Subject: [PATCH] powerpc/powernv: Fix condition to remove M64 The M64 resource should be removed if we don't have hook to initialize it, or (not and) fail to do that. Signed-off-by: Gavin Shan Signed-off-by: Michael Ellerman --- arch/powerpc/platforms/powernv/pci-ioda.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 7ab1dd732993..7aa040441c08 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -2000,8 +2000,8 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, ioda_eeh_phb_reset(hose, OPAL_DEASSERT_RESET); } - /* Configure M64 window */ - if (phb->init_m64 && phb->init_m64(phb)) + /* Remove M64 resource if we can't configure it successfully */ + if (!phb->init_m64 || phb->init_m64(phb)) hose->mem_resources[1].flags = 0; } -- 2.30.2