[14/20] PCI: hisi: update PCI config space remap function

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

Details

Message ID 20170227151436.18698-15-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: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
---
 drivers/pci/dwc/pcie-hisi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

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diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c
index e3e4fed..8042780 100644
--- a/drivers/pci/dwc/pcie-hisi.c
+++ b/drivers/pci/dwc/pcie-hisi.c
@@ -294,10 +294,9 @@  static int hisi_pcie_probe(struct platform_device *pdev)
 	}
 
 	reg = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbi");
-	pci->dbi_base = devm_ioremap_resource(dev, reg);
+	pci->dbi_base = devm_pci_remap_cfg_resource(dev, reg);
 	if (IS_ERR(pci->dbi_base))
 		return PTR_ERR(pci->dbi_base);
-
 	platform_set_drvdata(pdev, hisi_pcie);
 
 	ret = hisi_add_pcie_port(hisi_pcie, pdev);