From patchwork Mon Feb 27 15:14:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9593475 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 B129460471 for ; Mon, 27 Feb 2017 15:27:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F9D7283F6 for ; Mon, 27 Feb 2017 15:27:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 930F728488; Mon, 27 Feb 2017 15:27:58 +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 23F2F283F6 for ; Mon, 27 Feb 2017 15:27:58 +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=rstEM897Dn+G59Zgo949HwmTzY67j1VIa9AmkpwZJ30=; b=nqjAgNcg37b8xlx1Av+NoMfy9O 7mSC64ksvDsFAmD+nJKop1NTwRVeftuJ9xeb1IrReeAzbSCdbxRjG9leYKFkJlFkbMtOSkUd4LYdA LeuyRhYaqdWDBv2b3JI3BibmgpSulKIZq2iloCdgkHGaKtSegGC80jS+m4mj6CQZbAxfYoARl2ZUb p/k29ZGELwhh3THlNBOjx6J+bHowHn5l6YEMR7rBRSfNKwAOegKBTCLuf0d//wDANleGHWVVzQffv BIbZ+ldEP8IS8rgO/u1/TIc2Tt86SkBh3uHjedfWzc+tfG8vI5pG+e07pl1MDFnQasDQy7eJPfIMJ cwdG9ivw==; 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 1ciNDR-0000Gz-8p; Mon, 27 Feb 2017 15:27:57 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1ciNAi-0005UQ-28 for linux-arm-kernel@bombadil.infradead.org; Mon, 27 Feb 2017 15:25:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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=sXEf1uFMErSBS9emEY/yRr9vKom9nKcyLRb9sZFV0M0=; b=lfwGE8ojXeeb0Dh50twUd2vi1 naEx38dFLq4LIeeyyyLvm6ZBLBvrG6maTc+KSaYiV0OG/akSPDO2mVDYmw9kKcdMyOIoHMHDHhich l5aenWEz0oZNpFTnCPi/W8VX0L/8bnIJ4mnw9rVelp4tKtt2jqXmqCB0igXGBSv73x7ioevCNCCBT 0GzjjStS97o3d/OsqgiAfRWX54qjRYbKfl2bFt3x90Rp3gZpwxNW+ENALdDrg3qAq4FVAXXkpmaNF 5PZUnOv9ybv3ODS/+vXRmJlc5TFKHuCWeHP66DsrBg5SFMtQkfh5krrYC8GoLzOyHVYsiEPGNLfwW r08Zl1fEw==; Received: from foss.arm.com ([217.140.101.70]) by casper.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ciN1w-0007tr-Sx for linux-arm-kernel@lists.infradead.org; Mon, 27 Feb 2017 15:16:08 +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 6FE5E1596; Mon, 27 Feb 2017 07:15:47 -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 2E2833F77C; Mon, 27 Feb 2017 07:15:46 -0800 (PST) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 16/20] PCI: armada8k: update PCI config space remap function Date: Mon, 27 Feb 2017 15:14:27 +0000 Message-Id: <20170227151436.18698-17-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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170227_151605_090941_F029AE74 X-CRM114-Status: UNSURE ( 9.96 ) 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: linux-arch@vger.kernel.org, Bjorn Helgaas , Thomas Petazzoni , Lorenzo Pieralisi , linux-kernel@vger.kernel.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: Thomas Petazzoni --- drivers/pci/dwc/pcie-armada8k.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/dwc/pcie-armada8k.c b/drivers/pci/dwc/pcie-armada8k.c index 66bac6f..31f5cb1 100644 --- a/drivers/pci/dwc/pcie-armada8k.c +++ b/drivers/pci/dwc/pcie-armada8k.c @@ -228,7 +228,7 @@ static int armada8k_pcie_probe(struct platform_device *pdev) /* Get the dw-pcie unit configuration/control registers base. */ base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl"); - pci->dbi_base = devm_ioremap_resource(dev, base); + pci->dbi_base = devm_pci_remap_cfg_resource(dev, base); if (IS_ERR(pci->dbi_base)) { dev_err(dev, "couldn't remap regs base %p\n", base); ret = PTR_ERR(pci->dbi_base);