tree ecaca2bab01ab4bb56f74975732a91e421cd86fc
parent 20b3cdd6773be09f7bf52113de0d0c37da287f29
author Markus Armbruster <armbru@pond.sub.org> 1184736041 -0400
committer Dmitry Torokhov <dtor@insightbb.com> 1184736041 -0400

Input: i8042 - restore control register when enabling port fails

When enabling interrupts for a port fails, the interrupt enable and
port enable bits remain set in i8042_ctr. Later writes of i8042_ctr
to the hardware could accidentally retry enabling interrupts. Clear
the bits on failure.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>