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PCI: layerscape: 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: Mingkai Hu <[email protected]>
Cc: Minghuan Lian <[email protected]>
Cc: Roy Zang <[email protected]>
This commit is contained in:
Lorenzo Pieralisi 2017-04-19 17:49:08 +01:00 • committed by Bjorn Helgaas
commit 01bd489dba
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/dwc/pci-layerscape.c
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@ -283,7 +283,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev)
pcie->pci = pci;
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);