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SubjectRe: [PATCH] pwm: Fix setting period with #pwm-cells = <1> and of_pwm_single_xlate()
From
Uwe Kleine-König, 2024-03-29T11:35:40+01:00:
> For drivers making use of of_pwm_single_xlate() (i.e. those that don't
> pass a hwpwm index) and also don't pass flags, setting period was
> wrongly skipped. This affects the pwm-pxa and ti-sn65dsi86 drivers.
>
> Reported-by: Karel Balej <balejk@matfyz.cz>
> Fixes: 40ade0c2e794 ("pwm: Let the of_xlate callbacks accept references without period")
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
> drivers/pwm/core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
> index 54a62879fffa..ee3ef3f44bc5 100644
> --- a/drivers/pwm/core.c
> +++ b/drivers/pwm/core.c
> @@ -512,7 +512,7 @@ of_pwm_single_xlate(struct pwm_chip *chip, const struct of_phandle_args *args)
> if (IS_ERR(pwm))
> return pwm;
>
> - if (args->args_count > 1)
> + if (args->args_count > 0)
> pwm->args.period = args->args[0];
>
> pwm->args.polarity = PWM_POLARITY_NORMAL;
> --
> 2.43.0

Thank you, this fixes the issue for me.

Tested-by: Karel Balej <balejk@matfyz.cz>

Just a nit: I am not sure if perhaps this being part of the report
thread is sufficient, but generally there should probably also be a
Closes: trailer for regzbot to automatically mark the report as resolved
among other reasons.

Best regards,
K. B.

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