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Subject[PATCH v3 2/4] usb: aspeed-vhub: fix remote wakeup failure in iKVM use case
Date
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@aspeedtech.com>
---
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
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