On Thu, Jan 24, 2019 at 11:12:12AM +0100, Michal Vokáč wrote: > On 24.1.2019 10:22, Uwe Kleine-König wrote: > > I think it might be beneficial to allow (or require) that disable acts > > immediately. But this is not how it used to be and in my discussion with > > Thierry (IIRC) he required to complete the currently running period. > > I am confused here. IFAIK it always used to be that: > > pwm_apply_state(pwm, { .enabled = 0 }); > > immediately stops the PWM with: > > writel(0, imx->mmio_base + MX3_PWMCR); > > regardless of the period (for pwm-imx). Then is is a bug since forever (well, or a fact that resulted from the intended semantic not being documented and the driver author not caring or knowing better). Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |