diff options
| -rw-r--r-- | drivers/pwm/core.c | 3 | ||||
| -rw-r--r-- | include/linux/pwm.h | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index ea2ccf42e814..47c9333baaf6 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -1608,12 +1608,13 @@ void pwmchip_put(struct pwm_chip *chip) } EXPORT_SYMBOL_GPL(pwmchip_put); -static void pwmchip_release(struct device *pwmchip_dev) +void pwmchip_release(struct device *pwmchip_dev) { struct pwm_chip *chip = pwmchip_from_dev(pwmchip_dev); kfree(chip); } +EXPORT_SYMBOL_GPL(pwmchip_release); struct pwm_chip *pwmchip_alloc(struct device *parent, unsigned int npwm, size_t sizeof_priv) { diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 549ac4aaad59..148f056f336b 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -488,6 +488,12 @@ int __pwmchip_add(struct pwm_chip *chip, struct module *owner); #define pwmchip_add(chip) __pwmchip_add(chip, THIS_MODULE) void pwmchip_remove(struct pwm_chip *chip); +/* + * For FFI wrapper use only: + * The Rust PWM abstraction needs this to properly free the pwm_chip. + */ +void pwmchip_release(struct device *dev); + int __devm_pwmchip_add(struct device *dev, struct pwm_chip *chip, struct module *owner); #define devm_pwmchip_add(dev, chip) __devm_pwmchip_add(dev, chip, THIS_MODULE) |