[19/20] PCI: layerscape: update PCI config space remap function

Submitted by Lorenzo Pieralisi on Feb. 27, 2017, 3:14 p.m.

Details

Message ID 20170227151436.18698-20-lorenzo.pieralisi@arm.com
State Changes Requested
Headers show

Commit Message

Lorenzo Pieralisi Feb. 27, 2017, 3:14 p.m.
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>
Cc: 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 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c
index 175c09e..e39beaa 100644
--- a/drivers/pci/dwc/pci-layerscape.c
+++ b/drivers/pci/dwc/pci-layerscape.c
@@ -281,7 +281,7 @@  static int __init ls_pcie_probe(struct platform_device *pdev)
 	pci->ops = pcie->drvdata->dw_pcie_ops;
 
 	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);