taglinefilesource code
LATCH402arch/i386/kernel/irq.coutb_p(LATCH & 0xff , 0x40);  /* LSB */
LATCH403arch/i386/kernel/irq.coutb(LATCH >> 8 , 0x40);  /* MSB */
LATCH127arch/i386/kernel/time.cif (count > (LATCH - LATCH/100)) {
LATCH133arch/i386/kernel/time.ccount = ((LATCH-1) - count) * TICK_SIZE;
LATCH134arch/i386/kernel/time.ccount = (count + LATCH/2) / LATCH;
LATCH289arch/mips/kernel/irq.coutb_p(LATCH & 0xff , 0x40);  /* LSB */
LATCH290arch/mips/kernel/irq.coutb(LATCH >> 8 , 0x40);  /* MSB */
LATCH117include/linux/timex.h#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \