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There are reports[1] that on some motherboards loading the nuvoton-cir disables PS/2 keyboard input. This is caused by an erroneous write of CIR_INTR_MOUSE_IRQ_BIT to ACPI control register. According to datasheet the write enables mouse power management event interrupts which will probably have ill effects if the motherboard has only one PS/2 port with keyboard in it. The cir hardware does not need mouse interrupts to function and should not touch them. This patch removes the illegal writes and registry definitions. [1] http://ubuntuforums.org/showthread.php?t=2106277&p=12461912&mode=threaded#post12461912 Reported-by: Bruno Maire <bruno.maire@besonet.ch> Tested-by: Bruno Maire <bruno.maire@besonet.ch> Signed-off-by: Antti Seppälä <a.seppala@gmail.com> Acked-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>