Path: csiph.com!1.us.feeder.erje.net!feeder.erje.net!1.eu.feeder.erje.net!news.albasani.net!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod From: Lorenzo Pieralisi Newsgroups: linux.kernel Subject: [PATCH 19/20] PCI: layerscape: update PCI config space remap function Date: Mon, 27 Feb 2017 16:20:02 +0100 Message-ID: References: X-Mailer: git-send-email 2.10.0 Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 29 Organization: linux.* mail to news gateway X-Original-Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Lorenzo Pieralisi , Bjorn Helgaas , Mingkai Hu , Minghuan Lian , Roy Zang X-Original-Date: Mon, 27 Feb 2017 15:14:30 +0000 X-Original-Message-ID: <20170227151436.18698-20-lorenzo.pieralisi@arm.com> X-Original-References: <20170227151436.18698-1-lorenzo.pieralisi@arm.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1588723 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 175c09e..e39beaa 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -281,7 +281,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev) pci->ops = pcie->drvdata->dw_pcie_ops; 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); -- 2.10.0