Refactoring slot disable related code into a helper
function xhci_disable_slot() which can be used when
enabling test mode.
Signed-off-by: NGuoqing Zhang <guoqing.zhang@intel.com>
Signed-off-by: NMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>