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@xxxxxxx> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Cc: Wenrui Li <wenrui.li@xxxxxxxxxxxxxx> Cc: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> --- drivers/pci/host/pcie-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index 26ddd35..690a7b5 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -822,7 +822,7 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "axi-base"); - rockchip->reg_base = devm_ioremap_resource(dev, regs); + rockchip->reg_base = devm_pci_remap_cfg_resource(dev, regs); if (IS_ERR(rockchip->reg_base)) return PTR_ERR(rockchip->reg_base); -- 2.10.0
