const_udelay 53 arch/arm/include/asm/delay.h void (*const_udelay)(unsigned long); const_udelay 80 arch/arm/include/asm/delay.h #define __const_udelay(n) arm_delay_ops.const_udelay(n) const_udelay 22 arch/arm/lib/delay.c .const_udelay = __loop_const_udelay, const_udelay 89 arch/arm/lib/delay.c arm_delay_ops.const_udelay = __timer_const_udelay;