From: Gavin Shan Date: Wed, 12 Nov 2014 02:36:05 +0000 (+1100) Subject: powerpc/powernv: Fix condition to remove M64 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9e9e8935215d164cea2f49a7679cc0663c2253b6;p=linux-beck.git 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 --- 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; }