Path: csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod From: Lorenzo Pieralisi Newsgroups: linux.kernel Subject: [PATCH 13/20] PCI: iproc-platform: update PCI config space remap function Date: Mon, 27 Feb 2017 16:20:03 +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 , Ray Jui , Jon Mason X-Original-Date: Mon, 27 Feb 2017 15:14:24 +0000 X-Original-Message-ID: <20170227151436.18698-14-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:1588732 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 f4909bb..b48d0db 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; -- 2.10.0