diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index 6acfc94a16e7..86d9c3d122e2 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -526,6 +526,8 @@ static int mt7621_pci_probe(struct platform_device *pdev)
 	if (!dev->of_node)
 		return -ENODEV;
 
+	ioport_resource.end = IO_SPACE_LIMIT;
+
 	bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
 	if (!bridge)
 		return -ENOMEM;