scale_pow          85 drivers/pwm/pwm-sifive.c 	unsigned long scale_pow;
scale_pow          95 drivers/pwm/pwm-sifive.c 	scale_pow = div64_ul(ddata->approx_period * (u64)rate, NSEC_PER_SEC);
scale_pow          96 drivers/pwm/pwm-sifive.c 	scale = clamp(ilog2(scale_pow) - PWM_SIFIVE_CMPWIDTH, 0, 0xf);