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pwm: Make pwmchip_remove() return void

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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 <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2021-07-07 18:28:35 +02:00 • committed by Thierry Reding
parent 7587f8a863
commit 8083f58d08
2 changed files with 2 additions and 4 deletions
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4
drivers/pwm/core.c
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@ -304,7 +304,7 @@ EXPORT_SYMBOL_GPL(pwmchip_add);
* *
* Returns: 0 on success or a negative error code on failure. * 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); pwmchip_sysfs_unexport(chip);
@ -318,8 +318,6 @@ int pwmchip_remove(struct pwm_chip *chip)
free_pwms(chip); free_pwms(chip);
mutex_unlock(&pwm_lock); mutex_unlock(&pwm_lock);
return 0;
} }
EXPORT_SYMBOL_GPL(pwmchip_remove); EXPORT_SYMBOL_GPL(pwmchip_remove);

2
include/linux/pwm.h
View file

@ -404,7 +404,7 @@ int pwm_set_chip_data(struct pwm_device *pwm, void *data);
void *pwm_get_chip_data(struct pwm_device *pwm); void *pwm_get_chip_data(struct pwm_device *pwm);
int pwmchip_add(struct pwm_chip *chip); 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); int devm_pwmchip_add(struct device *dev, struct pwm_chip *chip);