There's no need for BKL in mousedev, relevan protection is provided by
a private mutex.
Signed-off-by: NThadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>