Signaling remote wakeup if an emulated USB device has any activity if the device is allowed by host. Signed-off-by: Neal Liu <neal_liu@xxxxxxxxxxxxxx> --- drivers/usb/gadget/udc/aspeed-vhub/epn.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/gadget/udc/aspeed-vhub/epn.c b/drivers/usb/gadget/udc/aspeed-vhub/epn.c index 917892ca8753..ccc239b5cc17 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/epn.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/epn.c @@ -381,6 +381,11 @@ static int ast_vhub_epn_queue(struct usb_ep* u_ep, struct usb_request *u_req, } else u_req->dma = 0; + if (ep->dev->wakeup_en) { + EPVDBG(ep, "Wakeup host first\n"); + ast_vhub_hub_wake_all(vhub); + } + EPVDBG(ep, "enqueue req @%p\n", req); EPVDBG(ep, " l=%d dma=0x%x zero=%d noshort=%d noirq=%d is_in=%d\n", u_req->length, (u32)u_req->dma, u_req->zero, -- 2.25.1