--- zzzz-none-000/linux-3.10.107/arch/mips/include/asm/pci/bridge.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/include/asm/pci/bridge.h	2021-02-04 17:41:59.000000000 +0000
@@ -835,6 +835,7 @@
 	struct pci_controller	pc;
 	struct resource		mem;
 	struct resource		io;
+	struct resource		busn;
 	bridge_t		*base;
 	nasid_t			nasid;
 	unsigned int		widget_id;