PCI: spear13xx: Update PCI config space remap function
authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Wed, 19 Apr 2017 16:48:59 +0000 (17:48 +0100)
committerBjorn Helgaas <bhelgaas@google.com>
Mon, 24 Apr 2017 18:53:15 +0000 (13:53 -0500)
PCI configuration space should be mapped with a memory region type that
generate 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>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
drivers/pci/dwc/pcie-spear13xx.c

index eaa4ea8e2ea4eacec48788bf86a32b8600a4beb5..3ae59de5c043f1e74f2bede957813cedb7de0bd2 100644 (file)
@@ -273,7 +273,7 @@ static int spear13xx_pcie_probe(struct platform_device *pdev)
        }
 
        dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
-       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)) {
                dev_err(dev, "couldn't remap dbi base %p\n", dbi_base);
                ret = PTR_ERR(pci->dbi_base);