diff --git a/drivers/staging/fsl-mc/include/mc-bus.h b/drivers/staging/fsl-mc/include/mc-bus.h
index aac062e2b6ef..8f9bf8dd6495 100644
--- a/drivers/staging/fsl-mc/include/mc-bus.h
+++ b/drivers/staging/fsl-mc/include/mc-bus.h
@@ -91,6 +91,8 @@ void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
 
 void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
 
+bool fsl_mc_bus_exists(void);
+
 void fsl_mc_get_root_dprc(struct device *dev,
 			  struct device **root_dprc_dev);