Message ID | 20170419164913.19674-12-lorenzo.pieralisi@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Received: from foss.arm.com ([217.140.101.70]) by casper.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1d0sne-0005zf-2d 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 4C0F11A3B; Wed, 19 Apr 2017 09:49:34 -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 25D2D3F4FF; Wed, 19 Apr 2017 09:49:33 -0700 (PDT) From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> To: linux-pci@vger.kernel.org Subject: [PATCH v4 11/21] PCI: rockchip: update PCI config space remap function Date: Wed, 19 Apr 2017 17:49:00 +0100 Message-Id: <20170419164913.19674-12-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_174950_316677_FAA157CA X-CRM114-Status: GOOD ( 10.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Shawn Lin <shawn.lin@rock-chips.com>, Wenrui Li <wenrui.li@rock-chips.com>, linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; 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diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index 26ddd35..690a7b5 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -822,7 +822,7 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "axi-base"); - rockchip->reg_base = devm_ioremap_resource(dev, regs); + rockchip->reg_base = devm_pci_remap_cfg_resource(dev, regs); if (IS_ERR(rockchip->reg_base)) return PTR_ERR(rockchip->reg_base);
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 <lorenzo.pieralisi@arm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Wenrui Li <wenrui.li@rock-chips.com> Cc: Shawn Lin <shawn.lin@rock-chips.com> --- drivers/pci/host/pcie-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)