PCI: layerscape: Update PCI config space remap function
authorLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Wed, 19 Apr 2017 16:49:08 +0000 (17:49 +0100)
committerBjorn Helgaas <bhelgaas@google.com>
Mon, 24 Apr 2017 18:53:17 +0000 (13:53 -0500)
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@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Mingkai Hu <mingkai.hu@freescale.com>
Cc: Minghuan Lian <minghuan.Lian@freescale.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>
drivers/pci/dwc/pci-layerscape.c

index c32e392a0ae6f89beec5b088ab1da4580b37fa36..8f0ee0d8129c8f5e44381a406ad68356ca662ebb 100644 (file)
@@ -283,7 +283,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev)
        pcie->pci = pci;
 
        dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
-       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))
                return PTR_ERR(pci->dbi_base);