Commit 27d9a4d6 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Thierry Reding
Browse files

pwm: Add might_sleep() annotations for !CONFIG_PWM API functions 



The normal implementations of these functions make use of mutexes. To
make it obvious that these functions might sleep also add annotations to
the dummy implementations in the !CONFIG_PWM case.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 6f897a10

include/linux/pwm.h

+9 −0
Original line number Diff line number Diff line
@@ -429,11 +429,13 @@ struct pwm_device *devm_fwnode_pwm_get(struct device *dev, 
#else

static inline struct pwm_device *pwm_request(int pwm_id, const char *label)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}



static inline void pwm_free(struct pwm_device *pwm)

{

	might_sleep();

}



static inline int pwm_apply_state(struct pwm_device *pwm,
@@ -493,12 +495,14 @@ static inline struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip, 
						       unsigned int index,

						       const char *label)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}



static inline struct pwm_device *pwm_get(struct device *dev,

					 const char *consumer)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}
@@ -506,16 +510,19 @@ static inline struct pwm_device *of_pwm_get(struct device *dev, 
					    struct device_node *np,

					    const char *con_id)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}



static inline void pwm_put(struct pwm_device *pwm)

{

	might_sleep();

}



static inline struct pwm_device *devm_pwm_get(struct device *dev,

					      const char *consumer)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}
@@ -523,6 +530,7 @@ static inline struct pwm_device *devm_of_pwm_get(struct device *dev, 
						 struct device_node *np,

						 const char *con_id)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}
@@ -530,6 +538,7 @@ static inline struct pwm_device * 
devm_fwnode_pwm_get(struct device *dev, struct fwnode_handle *fwnode,

		    const char *con_id)

{

	might_sleep();

	return ERR_PTR(-ENODEV);

}

#endif