From patchwork Mon Feb 27 15:14:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9593373 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 D574C601D7 for ; Mon, 27 Feb 2017 15:17:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C6E3627F10 for ; Mon, 27 Feb 2017 15:17:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BBBE727F90; Mon, 27 Feb 2017 15:17:20 +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=unavailable 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 568D227F10 for ; Mon, 27 Feb 2017 15:17:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752164AbdB0PRB (ORCPT ); Mon, 27 Feb 2017 10:17:01 -0500 Received: from foss.arm.com ([217.140.101.70]:54608 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751571AbdB0PPy (ORCPT ); Mon, 27 Feb 2017 10:15:54 -0500 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 C73DD1529; Mon, 27 Feb 2017 07:15:53 -0800 (PST) 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 366B73F77C; Mon, 27 Feb 2017 07:15:52 -0800 (PST) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Lorenzo Pieralisi , Bjorn Helgaas , Mingkai Hu , Minghuan Lian , Roy Zang Subject: [PATCH 19/20] PCI: layerscape: update PCI config space remap function Date: Mon, 27 Feb 2017 15:14:30 +0000 Message-Id: <20170227151436.18698-20-lorenzo.pieralisi@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170227151436.18698-1-lorenzo.pieralisi@arm.com> References: <20170227151436.18698-1-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: Mingkai Hu Cc: Minghuan Lian Cc: Roy Zang --- drivers/pci/dwc/pci-layerscape.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c index 175c09e..e39beaa 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -281,7 +281,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev) pci->ops = pcie->drvdata->dw_pcie_ops; dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - pci->dbi_base = devm_ioremap_resource(dev, dbi_base); + pci->dbi_base = devm_pci_remap_cfg_resource(dev, dbi_base); if (IS_ERR(pci->dbi_base)) return PTR_ERR(pci->dbi_base);