From patchwork Mon Mar 27 09:49:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9646359 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 E808E602D6 for ; Mon, 27 Mar 2017 10:21:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E5DB528364 for ; Mon, 27 Mar 2017 10:21:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D991528387; Mon, 27 Mar 2017 10:21:22 +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 3646C28364 for ; Mon, 27 Mar 2017 10:21:22 +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=g50Tr+1KvebUjNcCTyj6dUnI18znh637FhsNK6jXDSA=; b=SyKjWmXDED8Y+3R9l49HzD3h/e mGG6AV5vTNQXmZgznNfwbVIEjPGkqWl8Rm60CWGQ35kvUyQqgVB0yQDfbiDLF9MH30XDLH6yoEOlJ ea16zqAuTsyX/BdMb41PxbD3olLBzRGSiEOTLv/ifb7e78qU3L44kz2EKvLyNe5lr3v0cG8CJfCYT qpPRfkCJz61m/IqeYP+6oXMQsfmZU726hmv99RjYO8ve3YWMl0G+WIuuIMW6bFxIf0uzcIahxwNnv 7SQ1ZmN128E17qnOxIpHsYtY5NQpBwHgIZbN2HW/GzUcPhMVdtUb93Y9cQuLXbvDTUy0h4M9vVGyp S4jOpQsA==; 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 1csRm1-0007d7-E5; Mon, 27 Mar 2017 10:21:17 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1csRIL-0004P3-5Q for linux-arm-kernel@lists.infradead.org; Mon, 27 Mar 2017 09:50:43 +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 21F8C1610; Mon, 27 Mar 2017 02:50:37 -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 1D3C23F23B; Mon, 27 Mar 2017 02:50:35 -0700 (PDT) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Subject: [PATCH v2 11/22] PCI: spear13xx: update PCI config space remap function Date: Mon, 27 Mar 2017 10:49:39 +0100 Message-Id: <20170327094954.7162-12-lorenzo.pieralisi@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170327094954.7162-1-lorenzo.pieralisi@arm.com> References: <20170327094954.7162-1-lorenzo.pieralisi@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170327_025038_029962_3562BC0F X-CRM114-Status: UNSURE ( 8.79 ) 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: Bjorn Helgaas , Pratyush Anand , Lorenzo Pieralisi , linux-kernel@vger.kernel.org, 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 generate 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: Pratyush Anand Cc: Bjorn Helgaas --- drivers/pci/dwc/pcie-spear13xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/dwc/pcie-spear13xx.c b/drivers/pci/dwc/pcie-spear13xx.c index eaa4ea8..0fe2b2b 100644 --- a/drivers/pci/dwc/pcie-spear13xx.c +++ b/drivers/pci/dwc/pcie-spear13xx.c @@ -273,7 +273,7 @@ static int spear13xx_pcie_probe(struct platform_device *pdev) } dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi"); - pci->dbi_base = devm_ioremap_resource(dev, dbi_base); + pci->dbi_base = devm_ioremap_nopost_resource(dev, dbi_base); if (IS_ERR(pci->dbi_base)) { dev_err(dev, "couldn't remap dbi base %p\n", dbi_base); ret = PTR_ERR(pci->dbi_base);