From patchwork Wed Apr 19 16:49:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 9688129 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 E57FF602C9 for ; Wed, 19 Apr 2017 16:51:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D746C2018F for ; Wed, 19 Apr 2017 16:51:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CC1672842E; Wed, 19 Apr 2017 16:51:26 +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 5DA8A2018F for ; Wed, 19 Apr 2017 16:51:26 +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=BdCKqOTOV16HU8PkS/6B8vxTFucim+TIJQ3FYA6USgg=; b=ezX4bgRgjaYOd6FLSuIt9YCV76 1f8DVkVMW8ne2mG5BRQmkJCQfrZDP8U5CB9RbPCrd0vqcgv70/O76ohW9PQt+YZAhmODEhc/Vw6DH H0lU8Lyj52ArapJaOHAiNuKaIHWSqwULON9s+dVuGWTxwKJY2VQVqvhAwsuhsJK/r78e3woRxHgHR CoBCQB52Vv8bgh2Vd2gUbvXlXE8kqCRpS6t1fzDy2e9r+Vm9Phxbu0eMWbkk0tlXVoEIBrA4vQRN1 ORk9EkvMx0tfF6+9bcWKHTEls4uP8T3BpPMjLdHcgJtey51saLPstQ6NVUMfdxm7CjZPJLC0R0Tnn X8I3JLrw==; 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 1d0spB-0003I4-NO; Wed, 19 Apr 2017 16:51:25 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1d0snl-0000Kd-Cu for linux-arm-kernel@lists.infradead.org; Wed, 19 Apr 2017 16:50:21 +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 B05C91AC1; Wed, 19 Apr 2017 09:49:37 -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 892893F4FF; Wed, 19 Apr 2017 09:49:36 -0700 (PDT) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Subject: [PATCH v4 13/21] PCI: iproc-platform: update PCI config space remap function Date: Wed, 19 Apr 2017 17:49:02 +0100 Message-Id: <20170419164913.19674-14-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_094957_934782_C9E1CACB X-CRM114-Status: GOOD ( 10.33 ) 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 , Jon Mason , Ray Jui , linux-kernel@vger.kernel.org, Bjorn Helgaas , 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: Ray Jui Cc: Jon Mason --- drivers/pci/host/pcie-iproc-platform.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c index 8c6a327..90d2bdd 100644 --- a/drivers/pci/host/pcie-iproc-platform.c +++ b/drivers/pci/host/pcie-iproc-platform.c @@ -67,7 +67,8 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) return ret; } - pcie->base = devm_ioremap(dev, reg.start, resource_size(®)); + pcie->base = devm_pci_remap_cfgspace(dev, reg.start, + resource_size(®)); if (!pcie->base) { dev_err(dev, "unable to map controller registers\n"); return -ENOMEM;