On Wed, Jan 13, 2021 at 11:22:41AM +0200, Baruch Siach wrote:
> The period is the sum of on and off values. That is, calculate period as
> 
>   ($on + $off) / clkrate
> 
> instead of
> 
>   $off / clkrate - $on / clkrate
> 
> that makes no sense.
> 
> Reported-by: Russell King <linux@armlinux.org.uk>
> Fixes: 757642f9a584e ("gpio: mvebu: Add limited PWM support")
> Signed-off-by: Baruch Siach <baruch@tkos.co.il>

Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |