Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756387AbcDHARQ (ORCPT ); Thu, 7 Apr 2016 20:17:16 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:35195 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932217AbcDHARL (ORCPT ); Thu, 7 Apr 2016 20:17:11 -0400 From: Yinghai Lu To: Bjorn Helgaas , David Miller , Benjamin Herrenschmidt , Linus Torvalds Cc: Wei Yang , TJ , Yijing Wang , Khalid Aziz , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH v11 15/60] PCI: Only treat non-pref mmio64 as pref if host bridge has mmio64 Date: Thu, 7 Apr 2016 17:15:28 -0700 Message-Id: <1460074573-7481-16-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1460074573-7481-1-git-send-email-yinghai@kernel.org> References: <1460074573-7481-1-git-send-email-yinghai@kernel.org> X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 731 Lines: 24 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; -- 1.8.4.5