| Message ID | 20170327094954.7162-14-lorenzo.pieralisi@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c index 67eb7f5..393e379 100644 --- a/drivers/pci/dwc/pcie-qcom.c +++ b/drivers/pci/dwc/pcie-qcom.c @@ -700,7 +700,7 @@ static int qcom_pcie_probe(struct platform_device *pdev) return PTR_ERR(pcie->parf); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi"); - pci->dbi_base = devm_ioremap_resource(dev, res); + pci->dbi_base = devm_ioremap_nopost_resource(dev, res); 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_ioremap_nopost* 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: Stanimir Varbanov <svarbanov@mm-sol.com> --- drivers/pci/dwc/pcie-qcom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)