From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:26004 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753594AbcFRCZm (ORCPT ); Fri, 17 Jun 2016 22:25:42 -0400 From: Yinghai Lu To: Bjorn Helgaas , David Miller , Benjamin Herrenschmidt , Linus Torvalds Cc: Wei Yang , Khalid Aziz , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH v13 15/16] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64 Date: Fri, 17 Jun 2016 19:25:00 -0700 Message-Id: <20160618022501.15648-16-yinghai@kernel.org> In-Reply-To: <20160618022501.15648-1-yinghai@kernel.org> References: <20160618022501.15648-1-yinghai@kernel.org> Sender: linux-pci-owner@vger.kernel.org List-ID: If host bridge does not have mmio64 above 4G, We don't need to treat device non-pref mmio64 as as pref mmio64. Signed-off-by: Yinghai Lu Tested-by: Khalid Aziz --- drivers/pci/setup-bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index ffb1941..9404032 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -741,7 +741,7 @@ int pci_claim_bridge_resource(struct pci_dev *bridge, int i) static bool pci_up_path_over_pref_mem64(struct pci_bus *bus) { if (pci_is_root_bus(bus)) - return true; + return to_pci_host_bridge(bus->bridge)->has_mem64; if (bus->self) { int i; -- 2.8.3