15  *   running period is completed. This way the hardware switches atomically
17  * - Disabling the hardware completes the currently running period and keeps
50 	u32 period, duty_cycle, pwmc0;  in visconti_pwm_apply()  local
58 	 * The biggest period the hardware can provide is  in visconti_pwm_apply()
63 	if (state->period > (0xffff << 3) * 1000)  in visconti_pwm_apply()
64 		period = (0xffff << 3) * 1000;  in visconti_pwm_apply()
66 		period = state->period;  in visconti_pwm_apply()
68 	if (state->duty_cycle > period)  in visconti_pwm_apply()
69 		duty_cycle = period;  in visconti_pwm_apply()
78 	period /= 1000;  in visconti_pwm_apply()
81 	if (!period)  in visconti_pwm_apply()
87 	 * the smallest possible one. As period is at most 0xffff << 3, pwmc0 is  in visconti_pwm_apply()
90 	pwmc0 = fls(period >> 16);  in visconti_pwm_apply()
94 	period >>= pwmc0;  in visconti_pwm_apply()
101 	writel(period, priv->base + PIPGM_PCSR(pwm->hwpwm));  in visconti_pwm_apply()
110 	u32 period, duty, pwmc0, pwmc0_clk;  in visconti_pwm_get_state()  local
112 	period = readl(priv->base + PIPGM_PCSR(pwm->hwpwm));  in visconti_pwm_get_state()
117 	state->period = (period << pwmc0_clk) * NSEC_PER_USEC;  in visconti_pwm_get_state()