From patchwork Wed Apr 19 16:49:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9688371 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 352B66037F for ; Wed, 19 Apr 2017 17:17:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2118B2522B for ; Wed, 19 Apr 2017 17:17:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 131A525D9E; Wed, 19 Apr 2017 17:17:40 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9FB012522B for ; Wed, 19 Apr 2017 17:17:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=rgY21qZtuNCY2GNyffOcr0uvHnXbRM+VmbZ+DJX5YzI=; b=o+VMYgYieW4QCsoYRq1Wx2G43q zJ3Q2gApGX26d3YL13LHhRaYejU9Q9qA2+LNPNaXB8UoTXAfKdqChWjOLUpbKqEnHck7I+1IJg5La eTHilgeq1kqGNKLXdIJUP8zE9UHg8SHrBBOZb/3iMBAroJMbcnBqJ7k23uE/Wk1R1op/wX5c29HrF 3NWuHJR9o4YQNQRTTKvUz4UxioPWA1EPzSAR42k+L0mDo4VJWCXlG0rAwlWqr3xwn8130snR4mk8m RW8iH2jKlI3VyVg/di7XqkkH3jJ4hDWur8czDdIziDMI5c3Ya9MwoE20YSparBzIk3BJbBRS/TWvq wmzz6Nsw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1d0tEY-0003I6-Hn; Wed, 19 Apr 2017 17:17:38 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1d0tEG-0002t1-UV for linux-arm-kernel@bombadil.infradead.org; Wed, 19 Apr 2017 17:17:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=B1Kbte9mS69k9nd7zHLMCzoUOnUZ7TDGYRR5OU/mjvs=; b=Xa9w84e2fctHeDIS6PEcbYzA6 7C22lv6sSuedrppKSWkw+OllM6BxtLqqEW733qsX/l7YVEONYdJeKVPKy8stuNrCAsMTy6pGIakgM P0NzEc02aqHoqrb3lLJd8sGOzcTnAchObA+MHjSypAwUCrbqQxEwEaGTm9OQS0MqcD6QJIDNHhbUr a/R0L4upqK2xL5tWKG2EyNpwnOsd/IzZxtVImclv/XYQ66XzXKqn7IzgYXwY/2URNaYsTBYhw6WG3 rOf2B0pZ3WquxFsuTzLcGWFJJZEWwHW+FM9KRxdlHatXKU2q7hwW6uhYWXVgfq4Hsbv8byett/RlQ 5hC5gTCLw==; Received: from foss.arm.com ([217.140.101.70]) by merlin.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1d0snf-0008Oa-TM for linux-arm-kernel@lists.infradead.org; Wed, 19 Apr 2017 16:49:52 +0000 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 5C6091B5E; Wed, 19 Apr 2017 09:49:49 -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 141D93F4FF; Wed, 19 Apr 2017 09:49:47 -0700 (PDT) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Subject: [PATCH v4 19/21] PCI: layerscape: update PCI config space remap function Date: Wed, 19 Apr 2017 17:49:08 +0100 Message-Id: <20170419164913.19674-20-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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170419_124952_015242_50E350B9 X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lorenzo Pieralisi , linux-kernel@vger.kernel.org, Minghuan Lian , Bjorn Helgaas , Mingkai Hu , Roy Zang , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 c32e392..8f0ee0d 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -283,7 +283,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev) pcie->pci = pci; 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);