On Fri, Mar 06, 2020 at 09:09:17AM -0500, Jason Andryuk wrote: > Currently usb-serial devices are unable to send data into guests with > the xhci controller. Data is copied into the usb-serial's buffer, but > it is not sent into the guest. Data coming out of the guest works > properly. usb-serial devices work properly with ehci. > > Have usb-serial call usb_wakeup() when receiving data from the chardev. > This seems to notify the xhci controller and fix inbound data flow. > > Also add USB_CFG_ATT_WAKEUP to the device's bmAttributes. This matches > a real FTDI serial adapter's bmAttributes. > > Signed-off-by: Jason Andryuk <jandr...@gmail.com>
Added to usb patch queue. thanks, Gerd
