HPET_MIN_PROG_DELTA   18 arch/mips/loongson64/loongson-3/hpet.c #define HPET_MIN_PROG_DELTA	(HPET_MIN_CYCLES * 12)
HPET_MIN_PROG_DELTA   44 arch/x86/kernel/hpet.c #define HPET_MIN_PROG_DELTA		(HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))