From patchwork Wed Apr 19 16:49:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9688109 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A8D96602C9 for ; Wed, 19 Apr 2017 16:49:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B72F2018F for ; Wed, 19 Apr 2017 16:49:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 905FC28429; Wed, 19 Apr 2017 16:49:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C6BB2018F for ; Wed, 19 Apr 2017 16:49:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966885AbdDSQtu (ORCPT ); Wed, 19 Apr 2017 12:49:50 -0400 Received: from foss.arm.com ([217.140.101.70]:44416 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966838AbdDSQts (ORCPT ); Wed, 19 Apr 2017 12:49:48 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 54A9E1B2D; Wed, 19 Apr 2017 09:49:43 -0700 (PDT) Received: from red-moon.cambridge.arm.com (red-moon.cambridge.arm.com [10.1.206.55]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4E8A33F4FF; Wed, 19 Apr 2017 09:49:42 -0700 (PDT) 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 , Tanmay Inamdar Subject: [PATCH v4 16/21] PCI: xgene: update PCI config space remap function Date: Wed, 19 Apr 2017 17:49:05 +0100 Message-Id: <20170419164913.19674-17-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-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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_pci_remap_cfg* interface to make sure the correct memory mappings for PCI configuration space are used. Signed-off-by: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Tanmay Inamdar --- drivers/pci/host/pci-xgene.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c index 1a61087..de19898 100644 --- a/drivers/pci/host/pci-xgene.c +++ b/drivers/pci/host/pci-xgene.c @@ -248,7 +248,7 @@ static int xgene_pcie_ecam_init(struct pci_config_window *cfg, u32 ipversion) dev_err(dev, "can't get CSR resource\n"); return ret; } - port->csr_base = devm_ioremap_resource(dev, &csr); + port->csr_base = devm_pci_remap_cfg_resource(dev, &csr); if (IS_ERR(port->csr_base)) return PTR_ERR(port->csr_base); @@ -359,7 +359,7 @@ static int xgene_pcie_map_reg(struct xgene_pcie_port *port, struct resource *res; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csr"); - port->csr_base = devm_ioremap_resource(dev, res); + port->csr_base = devm_pci_remap_cfg_resource(dev, res); if (IS_ERR(port->csr_base)) return PTR_ERR(port->csr_base);