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PCI: xilinx-nwl: Update PCI config space remap function

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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 <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: Bharat Kumar Gogada <[email protected]>
Cc: Michal Simek <[email protected]>
This commit is contained in:
Lorenzo Pieralisi 2017-04-19 17:48:58 +01:00 • committed by Bjorn Helgaas
commit cd00f084ed
1 changed files with 1 additions and 1 deletions
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drivers/pci/host/pcie-xilinx-nwl.c
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@ -761,7 +761,7 @@ static int nwl_pcie_parse_dt(struct nwl_pcie *pcie,
pcie->phys_pcie_reg_base = res->start;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
pcie->ecam_base = devm_ioremap_resource(dev, res);
pcie->ecam_base = devm_pci_remap_cfg_resource(dev, res);
if (IS_ERR(pcie->ecam_base))
return PTR_ERR(pcie->ecam_base);
pcie->phys_ecam_base = res->start;