mei: add a spin lock to protect rd_completed queue In order to support vtags we need to access read completed queue out of driver big lock. Add a spin lock to protect rd_completed queue. Signed-off-by: Alexander Usyskin <[email protected]> Signed-off-by: Tomas Winkler <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>