--- zzzz-none-000/linux-3.10.107/arch/mips/sgi-ip27/Makefile	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/sgi-ip27/Makefile	2021-02-04 17:41:59.000000000 +0000
@@ -2,9 +2,10 @@
 # Makefile for the IP27 specific kernel interface routines under Linux.
 #
 
-obj-y	:= ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o ip27-klnuma.o \
-	   ip27-memory.o ip27-nmi.o ip27-reset.o ip27-timer.o ip27-hubio.o \
-	   ip27-xtalk.o
+obj-y	:= ip27-berr.o ip27-irq.o ip27-irqno.o ip27-init.o ip27-klconfig.o \
+	   ip27-klnuma.o ip27-memory.o ip27-nmi.o ip27-reset.o ip27-timer.o \
+	   ip27-hubio.o ip27-xtalk.o
 
 obj-$(CONFIG_EARLY_PRINTK)	+= ip27-console.o
+obj-$(CONFIG_PCI)		+= ip27-irq-pci.o
 obj-$(CONFIG_SMP)		+= ip27-smp.o