usb: gadget: introduce is_selfpowered for usb_gadget

Whether the gadget is selfpowerwed or not can be determined by composite
core, so we can use a common entry to indicate if the self-powered
is supported by gadget, and the related private variable at individual
udc driver can be deleted.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 70ddb3943b62c3ae3e55a0438ce076db53c7e27f..e2f00fd8cd47093ff7ca711f295af7ca2b07a649 100644 (file)
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -523,6 +523,7 @@ struct usb_gadget_ops {
  *     enabled HNP support.
  * @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to
  *     MaxPacketSize.
+ * @is_selfpowered: if the gadget is self-powered.
  *
  * Gadgets have a mostly-portable "gadget driver" implementing device
  * functions, handling all usb configurations and interfaces.  Gadget
@@ -563,6 +564,7 @@ struct usb_gadget {
        unsigned                        a_hnp_support:1;
        unsigned                        a_alt_hnp_support:1;
        unsigned                        quirk_ep_out_aligned_size:1;
+       unsigned                        is_selfpowered:1;
 };
 #define work_to_gadget(w)      (container_of((w), struct usb_gadget, work))