clk: pwm: Don't reconfigure running PWM at probe time

If the PWM is enabled already when .probe() is entered, period and
duty_cycle are updated which essentially corresponds to a clock frequency
change. This is unusual and surprising. So update the settings only when
the clock gets prepared.

Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/a974f1147e1a080bf5ad7f1752c92b24516df284.1746006578.git.ukleinek@baylibre.com
Signed-off-by: Stephen Boyd <[email protected]>

Author: ukleinek

drivers/clk/clk-pwm.c

@@ -109,12 +109,6 @@ static int clk_pwm_probe(struct platform_device *pdev)
 
 	pwm_init_state(pwm, &clk_pwm->state);
 	pwm_set_relative_duty_cycle(&clk_pwm->state, 1, 2);
-
-	ret = pwm_apply_might_sleep(pwm, &clk_pwm->state);
-	if (ret < 0)
-		return ret;
-
-	/* set enabled only now to not enable output above */
 	clk_pwm->state.enabled = true;
 
 	clk_name = node->name;