This patch depends on "move PIT_TICK_RATE to linux/timex.h"
in order to build on architectures that previously did not
define PIT_TICK_RATE.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Alan Cox <redacted>

I think this is probably the lesser of the evils here.