diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c
index 001b8673b4bd..80a809478781 100644
--- a/arch/sparc/kernel/of_device.c
+++ b/arch/sparc/kernel/of_device.c
@@ -138,6 +138,7 @@ struct bus_type ebus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
@@ -149,6 +150,7 @@ struct bus_type sbus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
 static int __init of_bus_driver_init(void)
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 566aa343aa62..768475bbce82 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -138,6 +138,7 @@ struct bus_type isa_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(isa_bus_type);
 
 struct bus_type ebus_bus_type = {
        .name	= "ebus",
@@ -147,6 +148,7 @@ struct bus_type ebus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
@@ -158,6 +160,7 @@ struct bus_type sbus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
 static int __init of_bus_driver_init(void)