diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index cae3d13229b9..49b8dabcbc99 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -477,8 +477,10 @@ static void __init chrp_find_8259(void)
 		       " address, polling\n");
 
 	i8259_init(pic, chrp_int_ack);
-	if (ppc_md.get_irq == NULL)
+	if (ppc_md.get_irq == NULL) {
 		ppc_md.get_irq = i8259_irq;
+		irq_set_default_host(i8259_get_host());
+	}
 	if (chrp_mpic != NULL) {
 		cascade_irq = irq_of_parse_and_map(pic, 0);
 		if (cascade_irq == NO_IRQ)
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 0450265d73bb..ad87adc975bc 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -224,6 +224,11 @@ static struct irq_host_ops i8259_host_ops = {
 	.xlate = i8259_host_xlate,
 };
 
+struct irq_host *i8259_get_host(void)
+{
+	return i8259_host;
+}
+
 /**
  * i8259_init - Initialize the legacy controller
  * @node: device node of the legacy PIC (can be NULL, but then, it will match
diff --git a/include/asm-powerpc/i8259.h b/include/asm-powerpc/i8259.h
index 78489fb8d140..db1362f8c603 100644
--- a/include/asm-powerpc/i8259.h
+++ b/include/asm-powerpc/i8259.h
@@ -7,6 +7,7 @@
 #ifdef CONFIG_PPC_MERGE
 extern void i8259_init(struct device_node *node, unsigned long intack_addr);
 extern unsigned int i8259_irq(void);
+extern struct irq_host *i8259_get_host(void);
 #else
 extern void i8259_init(unsigned long intack_addr, int offset);
 extern int i8259_irq(void);