On Tue, Nov 30, 2021 at 06:42:55PM +0800, Neal Liu wrote: > If multiple devices in vhub are enumerated simultaneously, ep0 OUT > ack might received wrong data length. Using expected data length > instead. > > Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Neal Liu <neal_liu@xxxxxxxxxxxxxx> > --- > drivers/usb/gadget/udc/aspeed-vhub/ep0.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c > index 74ea36c19b1e..bea9cbb191a2 100644 > --- a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c > +++ b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c > @@ -251,6 +251,13 @@ static void ast_vhub_ep0_do_receive(struct ast_vhub_ep *ep, struct ast_vhub_req > len = remain; > rc = -EOVERFLOW; > } > + > + /* HW return wrong data len */ Please spell out "Hardware"? thanks, greg k-h
