diff --git a/src/device/device_const.c b/src/device/device_const.c
index 20afe7e445..7e7f2f1980 100644
--- a/src/device/device_const.c
+++ b/src/device/device_const.c
@@ -397,3 +397,9 @@ bool is_dev_enabled(const struct device *dev)
 		return false;
 	return dev->enabled;
 }
+
+bool is_devfn_enabled(unsigned int devfn)
+{
+	const struct device *dev = pcidev_path_on_root(devfn);
+	return is_dev_enabled(dev);
+}
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 623d337601..afa6a4090a 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -192,6 +192,7 @@ void disable_children(struct bus *bus);
 bool dev_is_active_bridge(struct device *dev);
 void add_more_links(struct device *dev, unsigned int total_links);
 bool is_dev_enabled(const struct device *const dev);
+bool is_devfn_enabled(unsigned int devfn);
 
 /* Option ROM helper functions */
 void run_bios(struct device *dev, unsigned long addr);