Re: [PATCH] usb-serial: wakeup device on input

[Gerd Hoffmann]

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 <address@hidden>

Added to usb patch queue.

thanks,
  Gerd