Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966904AbdDSQt4 (ORCPT ); Wed, 19 Apr 2017 12:49:56 -0400 Received: from foss.arm.com ([217.140.101.70]:44416 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966838AbdDSQts (ORCPT ); Wed, 19 Apr 2017 12:49:48 -0400 From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi , Bjorn Helgaas , Tanmay Inamdar Subject: [PATCH v4 16/21] PCI: xgene: update PCI config space remap function Date: Wed, 19 Apr 2017 17:49:05 +0100 Message-Id: <20170419164913.19674-17-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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1378 Lines: 36 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: Tanmay Inamdar --- drivers/pci/host/pci-xgene.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c index 1a61087..de19898 100644 --- a/drivers/pci/host/pci-xgene.c +++ b/drivers/pci/host/pci-xgene.c @@ -248,7 +248,7 @@ static int xgene_pcie_ecam_init(struct pci_config_window *cfg, u32 ipversion) dev_err(dev, "can't get CSR resource\n"); return ret; } - port->csr_base = devm_ioremap_resource(dev, &csr); + port->csr_base = devm_pci_remap_cfg_resource(dev, &csr); if (IS_ERR(port->csr_base)) return PTR_ERR(port->csr_base); @@ -359,7 +359,7 @@ static int xgene_pcie_map_reg(struct xgene_pcie_port *port, struct resource *res; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csr"); - port->csr_base = devm_ioremap_resource(dev, res); + port->csr_base = devm_pci_remap_cfg_resource(dev, res); if (IS_ERR(port->csr_base)) return PTR_ERR(port->csr_base); -- 2.10.0