usb: gadget: Add host_request_flag for hnp polling

HNP polling is a new feature from USB OTG 2.0 spec, OTG host will
poll the host request flag from the OTG device side using get_status().
This patch add one member in usb_gadget data structure for this purpose.

Change-Id: Ica076eaf0b2635bfe00e666c266c4db9590a4592
Signed-off-by: Hao Wu <hao.wu@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index c56cdac..0b818ab 100644 (file)
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -490,6 +490,7 @@ struct usb_gadget {
        unsigned                        b_hnp_enable:1;
        unsigned                        a_hnp_support:1;
        unsigned                        a_alt_hnp_support:1;
+       unsigned                        host_request_flag:1;
        const char                      *name;
        struct device                   dev;
 };