drivers/pwm/pwm-atmel-tcb.c

38 	unsigned period;		/* PWM period expressed in clk cycles */
81 	tcbpwm->period = 0;
103 			    &tcbpwm->period);
216 	 * If duty is 0 or equal to period there's no need to register
221 	if (tcbpwm->duty != tcbpwm->period && tcbpwm->duty > 0) {
249 		     tcbpwm->period);
263 	/* companion PWM sharing register values period and div */
267 	unsigned period;
301 		/* If period is too big return ERANGE error */
307 	period = div_u64(period_ns, min);
314 	 * We're checking the period value of the second PWM device
317 	if ((atcbpwm->duty > 0 && atcbpwm->duty != atcbpwm->period) &&
318 		(atcbpwm->div != i || atcbpwm->period != period)) {
324 	tcbpwm->period = period;
335 	int duty_cycle, period;
345 	period = min(state->period, INT_MAX);
348 	ret = atmel_tcb_pwm_config(chip, pwm, duty_cycle, period);