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pwm: Add devm_of_pwm_get() as exported API for users

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When booted with DT users can use devm version of of_pwm_get() to benefit
from automatic resource release.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Peter Ujfalusi 2012-12-21 01:43:59 -08:00 • committed by Bryan Wu
parent 8eb9612799
commit 261a5edd3a
2 changed files with 39 additions and 0 deletions
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9
include/linux/pwm.h
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@ -179,6 +179,8 @@ struct pwm_device *of_pwm_get(struct device_node *np, const char *con_id);
void pwm_put(struct pwm_device *pwm);
struct pwm_device *devm_pwm_get(struct device *dev, const char *con_id);
struct pwm_device *devm_of_pwm_get(struct device *dev, struct device_node *np,
const char *con_id);
void devm_pwm_put(struct device *dev, struct pwm_device *pwm);
#else
static inline int pwm_set_chip_data(struct pwm_device *pwm, void *data)
@ -230,6 +232,13 @@ static inline struct pwm_device *devm_pwm_get(struct device *dev,
return ERR_PTR(-ENODEV);
}
static inline struct pwm_device *devm_of_pwm_get(struct device *dev,
struct device_node *np,
const char *con_id)
{
return ERR_PTR(-ENODEV);
}
static inline void devm_pwm_put(struct device *dev, struct pwm_device *pwm)
{
}