IRQ_MFP_ACIA 507 arch/m68k/atari/atakeyb.c error = request_irq(IRQ_MFP_ACIA, atari_keyboard_interrupt, 0, IRQ_MFP_ACIA 512 arch/m68k/atari/atakeyb.c atari_turnoff_irq(IRQ_MFP_ACIA); IRQ_MFP_ACIA 545 arch/m68k/atari/atakeyb.c atari_turnon_irq(IRQ_MFP_ACIA);