2 files changed, 17 insertions, 1 deletions

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 1160c55de7f2..eaa9a599df63 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1074,7 +1074,13 @@ static int composite_bind(struct usb_gadget *gadget)
         cdev->bufsiz = USB_BUFSIZ;
         cdev->driver = composite;
 
-        usb_gadget_set_selfpowered(gadget);
+        /*
+         * As per USB compliance update, a device that is actively drawing
+         * more than 100mA from USB must report itself as bus-powered in
+         * the GetStatus(DEVICE) call.
+         */
+        if (CONFIG_USB_GADGET_VBUS_DRAW <= USB_SELF_POWER_VBUS_MAX_DRAW)
+                usb_gadget_set_selfpowered(gadget);
 
         /* interface and string IDs start at zero via kzalloc.
          * we force endpoints to start unassigned; few controller
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index da2ed77d3e8d..b0f7e9f57176 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -808,4 +808,14 @@ enum usb_device_state {
          */
 };
 
+/*-------------------------------------------------------------------------*/
+
+/*
+ * As per USB compliance update, a device that is actively drawing
+ * more than 100mA from USB must report itself as bus-powered in
+ * the GetStatus(DEVICE) call.
+ * http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#34
+ */
+#define USB_SELF_POWER_VBUS_MAX_DRAW            100
+
 #endif /* __LINUX_USB_CH9_H */