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Groups > linux.kernel > #1588741

[PATCH 14/20] PCI: hisi: update PCI config space remap function

From Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Newsgroups linux.kernel
Subject [PATCH 14/20] PCI: hisi: update PCI config space remap function
Date 2017-02-27 16:20 +0100
Message-ID <tfvfJ-7o7-51@gated-at.bofh.it> (permalink)
References <tfvfH-7o7-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
---
 drivers/pci/dwc/pcie-hisi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c
index e3e4fed..8042780 100644
--- a/drivers/pci/dwc/pcie-hisi.c
+++ b/drivers/pci/dwc/pcie-hisi.c
@@ -294,10 +294,9 @@ static int hisi_pcie_probe(struct platform_device *pdev)
 	}
 
 	reg = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbi");
-	pci->dbi_base = devm_ioremap_resource(dev, reg);
+	pci->dbi_base = devm_pci_remap_cfg_resource(dev, reg);
 	if (IS_ERR(pci->dbi_base))
 		return PTR_ERR(pci->dbi_base);
-
 	platform_set_drvdata(pdev, hisi_pcie);
 
 	ret = hisi_add_pcie_port(hisi_pcie, pdev);
-- 
2.10.0

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Thread

[PATCH 00/20] PCI: fix config and I/O Address space memory mappings Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  [PATCH 17/20] PCI: xgene: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  [PATCH 03/20] asm-generic/io.h: add PCI config space remap interface Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  [PATCH 15/20] PCI: designware: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  [PATCH 04/20] ARM64: implement pci_remap_cfgspace() interface Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  [PATCH 14/20] PCI: hisi: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:20 +0100
  [PATCH 01/20] PCI: remove __weak tag from pci_remap_iospace() Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100
  [PATCH 05/20] ARM: implement pci_remap_cfgspace() interface Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100
  [PATCH 08/20] PCI: xilinx: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100
  [PATCH 10/20] PCI: spear13xx: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100
  [PATCH 06/20] PCI: ECAM: use pci_remap_cfgspace() to map config region Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100
  [PATCH 07/20] PCI: implement Devres interface to map PCI config space Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100
    Re: [PATCH 07/20] PCI: implement Devres interface to map PCI config  space Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-28 11:50 +0100
  [PATCH 09/20] PCI: xilinx-nwl: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-02-27 16:30 +0100

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