1 files changed, 10 insertions, 6 deletions

diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 908b67c847cd..c038ae36b10e 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -464,6 +464,8 @@ static inline bool pwm_can_sleep(struct pwm_device *pwm)
 
 static inline void pwm_apply_args(struct pwm_device *pwm)
 {
+        struct pwm_state state = { };
+
         /*
          * PWM users calling pwm_apply_args() expect to have a fresh config
          * where the polarity and period are set according to pwm_args info.
@@ -476,18 +478,20 @@ static inline void pwm_apply_args(struct pwm_device *pwm)
          * at startup (even if they are actually enabled), thus authorizing
          * polarity setting.
          *
-         * Instead of setting ->enabled to false, we call pwm_disable()
-         * before pwm_set_polarity() to ensure that everything is configured
-         * as expected, and the PWM is really disabled when the user request
-         * it.
+         * To fulfill this requirement, we apply a new state which disables
+         * the PWM device and set the reference period and polarity config.
          *
          * Note that PWM users requiring a smooth handover between the
          * bootloader and the kernel (like critical regulators controlled by
          * PWM devices) will have to switch to the atomic API and avoid calling
          * pwm_apply_args().
          */
-        pwm_disable(pwm);
-        pwm_set_polarity(pwm, pwm->args.polarity);
+
+        state.enabled = false;
+        state.polarity = pwm->args.polarity;
+        state.period = pwm->args.period;
+
+        pwm_apply_state(pwm, &state);
 }
 
 struct pwm_lookup {