[PATCH v4 1/8] usb: gadget: add hnp_polling_support and host_request_flag in usb_gadget

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From: Li Jun <b47624@xxxxxxxxxxxxx>

Add 2 flags for USB OTG HNP polling, hnp_polling_support is to indicate if
the gadget can support HNP polling, host_request_flag is used for gadget
to store host request information from application, which can be used to
respond to HNP polling from host.

Acked-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
---
 include/linux/usb/gadget.h |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index e2f00fd..6c7dc43 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -521,6 +521,10 @@ struct usb_gadget_ops {
  *	only supports HNP on a different root port.
  * @b_hnp_enable: OTG device feature flag, indicating that the A-Host
  *	enabled HNP support.
+ * @hnp_polling_support: OTG device feature flag, indicating if the OTG device
+ *	in peripheral mode can support HNP polling.
+ * @host_request_flag: OTG device feature flag, indicating if A-Peripheral
+ *	or B-Peripheral wants to take host role.
  * @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to
  *	MaxPacketSize.
  * @is_selfpowered: if the gadget is self-powered.
@@ -563,6 +567,8 @@ struct usb_gadget {
 	unsigned			b_hnp_enable:1;
 	unsigned			a_hnp_support:1;
 	unsigned			a_alt_hnp_support:1;
+	unsigned			hnp_polling_support:1;
+	unsigned			host_request_flag:1;
 	unsigned			quirk_ep_out_aligned_size:1;
 	unsigned			is_selfpowered:1;
 };
-- 
1.7.9.5

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