1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 9e7f259346e1..a0ccf28e9741 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -56,6 +56,8 @@ enum amba_vendor {
         AMBA_VENDOR_ST = 0x80,
 };
 
+extern struct bus_type amba_bustype;
+
 #define amba_get_drvdata(d)     dev_get_drvdata(&d->dev)
 #define amba_set_drvdata(d,p)   dev_set_drvdata(&d->dev, p)