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.pieral...@arm.com>
Cc: Bjorn Helgaas <bhelg...@google.com>
Cc: Murali Karicheri <m-kariche...@ti.com>
---
drivers/pci/dwc/pci-keystone-dw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/dwc/pci-keystone-dw.c
b/drivers/pci/dwc/pci-keystone-dw.c
index 6b396f6..8bc626e 100644
--- a/drivers/pci/dwc/pci-keystone-dw.c
+++ b/drivers/pci/dwc/pci-keystone-dw.c
@@ -543,7 +543,7 @@ int __init ks_dw_pcie_host_init(struct keystone_pcie
*ks_pcie,
/* Index 0 is the config reg. space address */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- pci->dbi_base = devm_ioremap_resource(dev, res);
+ pci->dbi_base = devm_pci_remap_cfg_resource(dev, res);
if (IS_ERR(pci->dbi_base))
return PTR_ERR(pci->dbi_base);
--
2.10.0
