172 	unsigned int psc = 0, icpsc, scale;  in stm32_pwm_capture()  local
199 	while ((div > priv->max_arr) && (psc < MAX_TIM_PSC)) {  in stm32_pwm_capture()
200 		psc++;  in stm32_pwm_capture()
202 		do_div(div, psc + 1);  in stm32_pwm_capture()
205 	regmap_write(priv->regmap, TIM_PSC, psc);  in stm32_pwm_capture()
236 	if (psc && scale > 1) {  in stm32_pwm_capture()
238 		psc /= scale;  in stm32_pwm_capture()
239 		regmap_write(priv->regmap, TIM_PSC, psc);  in stm32_pwm_capture()
247 	prd = (unsigned long long)raw_prd * (psc + 1) * NSEC_PER_SEC;  in stm32_pwm_capture()
303 	prd = (unsigned long long)raw_prd * (psc + 1) * NSEC_PER_SEC;  in stm32_pwm_capture()
305 	dty = (unsigned long long)raw_dty * (psc + 1) * NSEC_PER_SEC;  in stm32_pwm_capture()
348 		u32 psc, arr;  in stm32_pwm_config()  local
350 		regmap_read(priv->regmap, TIM_PSC, &psc);  in stm32_pwm_config()
353 		if ((psc != prescaler) || (arr != prd - 1))  in stm32_pwm_config()