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@xxxxxxx> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> --- drivers/pci/host/pci-versatile.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-versatile.c b/drivers/pci/host/pci-versatile.c index 5ebee7d..85e7736 100644 --- a/drivers/pci/host/pci-versatile.c +++ b/drivers/pci/host/pci-versatile.c @@ -138,7 +138,8 @@ static int versatile_pci_probe(struct platform_device *pdev) return PTR_ERR(versatile_cfg_base[0]); res = platform_get_resource(pdev, IORESOURCE_MEM, 2); - versatile_cfg_base[1] = devm_ioremap_resource(&pdev->dev, res); + versatile_cfg_base[1] = devm_pci_remap_cfg_resource(&pdev->dev, + res); if (IS_ERR(versatile_cfg_base[1])) return PTR_ERR(versatile_cfg_base[1]); -- 2.10.0
