On Mon, Apr 12, 2021 at 03:27:44PM +0200, Clemens Gruber wrote: > Previously, the last used PWM channel could change the global prescale > setting, even if other channels are already in use. > > Fix it by only allowing the first enabled PWM to change the global > chip-wide prescale setting. If there is more than one channel in use, > the prescale settings resulting from the chosen periods must match. > > GPIOs do not count as enabled PWMs as they are not using the prescaler > and can't change it. > > Signed-off-by: Clemens Gruber <clemens.gru...@pqgruber.com>
I think this patch could be a tad simpler (by just counting the number of enabled channels instead of maintaining a bitmap). Still this is beneficial, so: Acked-by: Uwe Kleine-König <u.kleine-koe...@pengutronix.de> Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
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