6.8-stable review patch. If anyone has any objections, please let me know.
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From: Uwe Kleine-König u.kleine-koenig@pengutronix.de
[ Upstream commit 73dfe970c038d0548beccc5bfb2707e1d543b01f ]
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 Link: https://lore.kernel.org/r/D05IVTPYH35N.2CLDG6LSILRSN@matfyz.cz Fixes: 40ade0c2e794 ("pwm: Let the of_xlate callbacks accept references without period") Tested-by: Karel Balej balejk@matfyz.cz Link: https://lore.kernel.org/r/20240329103544.545290-2-u.kleine-koenig@pengutroni... Signed-off-by: Uwe Kleine-König u.kleine-koenig@pengutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- 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 830a697826af5..9d2dc5e1c8aac 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -443,7 +443,7 @@ 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;