hpet_register_irq_handler 1049 arch/x86/kernel/hpet.c int hpet_register_irq_handler(rtc_irq_handler handler) hpet_register_irq_handler 112 drivers/char/rtc.c #define hpet_register_irq_handler(h) ({ 0; }) hpet_register_irq_handler 166 drivers/rtc/rtc-cmos.c static inline int hpet_register_irq_handler(irq_handler_t handler)