1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 227d590cd8d5..fcbbe71a3cc1 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -58,6 +58,8 @@ enum amba_vendor {
 
 extern struct bus_type amba_bustype;
 
+#define to_amba_device(d)       container_of(d, struct amba_device, dev)
+
 #define amba_get_drvdata(d)     dev_get_drvdata(&d->dev)
 #define amba_set_drvdata(d,p)   dev_set_drvdata(&d->dev, p)