pwm: Make pwmchip_remove() return void

Since some time pwmchip_remove() always returns 0 so the return value isn't usefull. Now that all callers are converted to ignore its value the function can be changed to return void. Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
tobetter · Sep 2, 2021 · 8083f58 · 8083f58
1 parent 7587f8a
commit 8083f58
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
@@ -304,7 +304,7 @@ EXPORT_SYMBOL_GPL(pwmchip_add);
  *
  * Returns: 0 on success or a negative error code on failure.
  */
-int pwmchip_remove(struct pwm_chip *chip)
+void pwmchip_remove(struct pwm_chip *chip)
 {
 	pwmchip_sysfs_unexport(chip);
 
@@ -318,8 +318,6 @@ int pwmchip_remove(struct pwm_chip *chip)
 	free_pwms(chip);
 
 	mutex_unlock(&pwm_lock);
-
-	return 0;
 }
 EXPORT_SYMBOL_GPL(pwmchip_remove);
 

diff --git a/include/linux/pwm.h b/include/linux/pwm.h
@@ -404,7 +404,7 @@ int pwm_set_chip_data(struct pwm_device *pwm, void *data);
 void *pwm_get_chip_data(struct pwm_device *pwm);
 
 int pwmchip_add(struct pwm_chip *chip);
-int pwmchip_remove(struct pwm_chip *chip);
+void pwmchip_remove(struct pwm_chip *chip);
 
 int devm_pwmchip_add(struct device *dev, struct pwm_chip *chip);