Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
For example, the following entries did not previously appear in /proc/iomem:
e180000000-e1ffffffff : /soc/pcie@1f2b0000
e180000000-e182ffffff : PCI Bus 0000:01
e180000000-e181ffffff : 0000:01:00.0
e182000000-e1820fffff : 0000:01:00.0
e182100000-e1821fffff : 0000:01:00.0
f000000000-ffffffffff : /soc/pcie@1f2b0000
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
drivers/pci/host/pci-xgene.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
index bc4e1c6..7eb20cc 100644
--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -540,6 +540,10 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
if (ret)
return ret;
+ ret = devm_request_pci_bus_resources(&pdev->dev, &res);
+ if (ret)
+ goto error;
+
ret = xgene_pcie_setup(port, &res, iobase);
if (ret)
goto error;
--
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