Message ID | 20170227151436.18698-20-lorenzo.pieralisi@arm.com (mailing list archive) |
---|---|
State | New, archived |
Delegated to: | Bjorn Helgaas |
Headers | show |
diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c index 175c09e..e39beaa 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -281,7 +281,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev) pci->ops = pcie->drvdata->dw_pcie_ops; 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);
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: Mingkai Hu <mingkai.hu@freescale.com> Cc: Minghuan Lian <minghuan.Lian@freescale.com> Cc: Roy Zang <tie-fei.zang@freescale.com> --- drivers/pci/dwc/pci-layerscape.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)