Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966941AbdDSQuF (ORCPT ); Wed, 19 Apr 2017 12:50:05 -0400 Received: from foss.arm.com ([217.140.101.70]:44408 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966914AbdDSQt6 (ORCPT ); Wed, 19 Apr 2017 12:49:58 -0400 From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi , Bjorn Helgaas , Rob Herring Subject: [PATCH v4 21/21] PCI: versatile: update PCI config space remap function Date: Wed, 19 Apr 2017 17:49:10 +0100 Message-Id: <20170419164913.19674-22-lorenzo.pieralisi@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170419164913.19674-1-lorenzo.pieralisi@arm.com> References: <20170419164913.19674-1-lorenzo.pieralisi@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1114 Lines: 28 PCI configuration space should be mapped with a memory region type that generates on the CPU host bus non-posted write transations. Update the driver to use the devm_ioremap_nopost* interface to make sure the correct memory mappings for PCI configuration space are used. Signed-off-by: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Rob Herring --- drivers/pci/host/pci-versatile.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-versatile.c b/drivers/pci/host/pci-versatile.c index 5ebee7d..85e7736 100644 --- a/drivers/pci/host/pci-versatile.c +++ b/drivers/pci/host/pci-versatile.c @@ -138,7 +138,8 @@ static int versatile_pci_probe(struct platform_device *pdev) return PTR_ERR(versatile_cfg_base[0]); res = platform_get_resource(pdev, IORESOURCE_MEM, 2); - versatile_cfg_base[1] = devm_ioremap_resource(&pdev->dev, res); + versatile_cfg_base[1] = devm_pci_remap_cfg_resource(&pdev->dev, + res); if (IS_ERR(versatile_cfg_base[1])) return PTR_ERR(versatile_cfg_base[1]); -- 2.10.0