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Commit 75a9c82a authored by Li Jun's avatar Li Jun Committed by Felipe Balbi
Browse files

usb: gadget: add hnp_polling_support and host_request_flag in usb_gadget 



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: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarLi Jun <jun.li@nxp.com>
Signed-off-by: default avatarFelipe Balbi <balbi@kernel.org>
parent 175f7121

include/linux/usb/gadget.h

+6 −0
Original line number Diff line number Diff line
@@ -595,6 +595,10 @@ 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.
@@ -642,6 +646,8 @@ 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			quirk_altset_not_supp:1;

	unsigned			quirk_stall_not_supp:1;