diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index 61ff91e76e0a..ebc4d58e1a32 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -3,7 +3,7 @@
 #
 
 # Common support
-obj-y := clock.o generic.o irq.o #nmi-oopser.o
+obj-y := clock.o generic.o #nmi-oopser.o
 
 # Specific board support
 obj-$(CONFIG_SA1100_ASSABET)		+= assabet.o
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index dda4927e47a6..49f372a168f9 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -47,3 +47,4 @@ obj-$(CONFIG_KEYSTONE_IRQ)		+= irq-keystone.o
 obj-$(CONFIG_MIPS_GIC)			+= irq-mips-gic.o
 obj-$(CONFIG_ARCH_MEDIATEK)		+= irq-mtk-sysirq.o
 obj-$(CONFIG_ARCH_DIGICOLOR)		+= irq-digicolor.o
+obj-$(CONFIG_ARCH_SA1100)		+= irq-sa11x0.o
diff --git a/arch/arm/mach-sa1100/irq.c b/drivers/irqchip/irq-sa11x0.c
similarity index 99%
rename from arch/arm/mach-sa1100/irq.c
rename to drivers/irqchip/irq-sa11x0.c
index fdec5edbbfd5..97d257bd8b12 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/drivers/irqchip/irq-sa11x0.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/arm/mach-sa1100/irq.c
- *
  * Copyright (C) 2015 Dmitry Eremin-Solenikov
  * Copyright (C) 1999-2001 Nicolas Pitre
  *