57 	u32 psc;  member
96 		 * Other channels are already enabled, so the configured PSC and  in stm32_pwm_round_waveform_tohw()
99 		ret = regmap_read(priv->regmap, TIM_PSC, &wfhw->psc);  in stm32_pwm_round_waveform_tohw()
108 					  (u64)NSEC_PER_SEC * (wfhw->psc + 1));  in stm32_pwm_round_waveform_tohw()
140 		u64 psc = mul_u64_u64_div_u64(wf->period_length_ns, rate,  in stm32_pwm_round_waveform_tohw()  local
144 		wfhw->psc = min_t(u64, psc, MAX_TIM_PSC);  in stm32_pwm_round_waveform_tohw()
147 					  (u64)NSEC_PER_SEC * (wfhw->psc + 1));  in stm32_pwm_round_waveform_tohw()
168 				   (u64)NSEC_PER_SEC * (wfhw->psc + 1));  in stm32_pwm_round_waveform_tohw()
185 …dev_dbg(&chip->dev, "pwm#%u: %lld/%lld [+%lld] @%lu -> CCER: %08x, PSC: %08x, ARR: %08x, CCR: %08x…  in stm32_pwm_round_waveform_tohw()
187 		rate, wfhw->ccer, wfhw->psc, wfhw->arr, wfhw->ccr);  in stm32_pwm_round_waveform_tohw()
224 …wf->period_length_ns = stm32_pwm_mul_u64_u64_div_u64_roundup(((u64)wfhw->psc + 1) * (wfhw->arr + 1…  in stm32_pwm_round_waveform_fromhw()
227 		ccr_ns = stm32_pwm_mul_u64_u64_div_u64_roundup(((u64)wfhw->psc + 1) * wfhw->ccr,  in stm32_pwm_round_waveform_fromhw()
232 				stm32_pwm_mul_u64_u64_div_u64_roundup(((u64)wfhw->psc + 1) * (wfhw->arr + 1 - wfhw->ccr),  in stm32_pwm_round_waveform_fromhw()
246 …dev_dbg(&chip->dev, "pwm#%u: CCER: %08x, PSC: %08x, ARR: %08x, CCR: %08x @%lu -> %lld/%lld [+%lld]…  in stm32_pwm_round_waveform_fromhw()
247 		pwm->hwpwm, wfhw->ccer, wfhw->psc, wfhw->arr, wfhw->ccr, rate,  in stm32_pwm_round_waveform_fromhw()
271 		ret = regmap_read(priv->regmap, TIM_PSC, &wfhw->psc);  in stm32_pwm_read_waveform()
318 		/* If there are other channels enabled, don't update PSC and ARR */  in stm32_pwm_write_waveform()
320 			u32 psc, arr;  in stm32_pwm_write_waveform()  local
322 			ret = regmap_read(priv->regmap, TIM_PSC, &psc);  in stm32_pwm_write_waveform()
326 			if (psc != wfhw->psc) {  in stm32_pwm_write_waveform()
340 			ret = regmap_write(priv->regmap, TIM_PSC, wfhw->psc);  in stm32_pwm_write_waveform()
539 	unsigned int psc = 0, icpsc, scale;  in stm32_pwm_capture()  local
566 	while ((div > priv->max_arr) && (psc < MAX_TIM_PSC)) {  in stm32_pwm_capture()
567 		psc++;  in stm32_pwm_capture()
569 		do_div(div, psc + 1);  in stm32_pwm_capture()
572 	regmap_write(priv->regmap, TIM_PSC, psc);  in stm32_pwm_capture()
607 	if (psc && scale > 1) {  in stm32_pwm_capture()
609 		psc /= scale;  in stm32_pwm_capture()
610 		regmap_write(priv->regmap, TIM_PSC, psc);  in stm32_pwm_capture()
618 	prd = (unsigned long long)raw_prd * (psc + 1) * NSEC_PER_SEC;  in stm32_pwm_capture()
674 	prd = (unsigned long long)raw_prd * (psc + 1) * NSEC_PER_SEC;  in stm32_pwm_capture()
676 	dty = (unsigned long long)raw_dty * (psc + 1) * NSEC_PER_SEC;  in stm32_pwm_capture()