--- zzzz-none-000/linux-4.1.52/arch/mips/pci/pci.c	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/arch/mips/pci/pci.c	2022-03-02 11:37:12.000000000 +0000
@@ -185,8 +185,15 @@
 		parent = &ioport_resource;
 
 	if (request_resource(parent, hose->io_resource) < 0) {
-		release_resource(hose->mem_resource);
-		goto out;
+#if defined(CONFIG_BCM_KF_PCI_FIXUP)
+		if(!((hose->io_resource->start == 0) && (hose->io_resource->end == 0)))
+		{
+#endif	
+			release_resource(hose->mem_resource);
+			goto out;
+#if defined(CONFIG_BCM_KF_PCI_FIXUP)
+		}
+#endif
 	}
 
 	*hose_tail = hose;