diff --git a/commands/detect.c b/commands/detect.c
index d68d738..48bab4d 100644
--- a/commands/detect.c
+++ b/commands/detect.c
@@ -54,9 +54,7 @@
 	}
 
 	if (option_all) {
-		for_each_device(dev)
-			device_detect(dev);
-
+		device_detect_all();
 		return 0;
 	}
 
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 8326099..c43a4bd 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -140,6 +140,14 @@
 	return ret;
 }
 
+void device_detect_all(void)
+{
+	struct device_d *dev;
+
+	for_each_device(dev)
+		device_detect(dev);
+}
+
 static int match(struct driver_d *drv, struct device_d *dev)
 {
 	int ret;
diff --git a/include/driver.h b/include/driver.h
index 8617872..e571fbb 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -134,6 +134,7 @@
 /* detect devices attached to this device (cards, disks,...) */
 int device_detect(struct device_d *dev);
 int device_detect_by_name(const char *devname);
+void device_detect_all(void);
 
 /* Unregister a device. This function can fail, e.g. when the device
  * has children.