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authorLi Jun <jun.li@nxp.com>2016-02-19 05:04:40 +0300
committerFelipe Balbi <balbi@kernel.org>2016-03-04 16:14:35 +0300
commit75a9c82ab9638c13ce0964ed8d89d910597f03b4 (patch)
tree6363725d7bc7f4813d02b25f95e13af974c51071 /include/linux/usb
parent175f712119c57c0f2a9b553211d3edcfc460b484 (diff)
downloadlinux-75a9c82ab9638c13ce0964ed8d89d910597f03b4.tar.xz
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: Peter Chen <peter.chen@freescale.com> Signed-off-by: Li Jun <jun.li@nxp.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/gadget.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index dd7c53279e6a..5d4e151c49bf 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -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;