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pwm: add devm_pwm_get() and devm_pwm_put()

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Add resource managed variants of pwm_get() and pwm_put() for
convenience. Code is largely inspired by the equivalent devm functions
of the regulator framework.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This commit is contained in:
Alexandre Courbot
2012-08-01 19:20:58 +09:00
committed by Thierry Reding
parent 0aa0869c3c
commit 6354316dbe
4 changed files with 67 additions and 1 deletions
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3
include/linux/pwm.h
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@@ -148,6 +148,9 @@ struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip,
struct pwm_device *pwm_get(struct device *dev, const char *consumer);
void pwm_put(struct pwm_device *pwm);
struct pwm_device *devm_pwm_get(struct device *dev, const char *consumer);
void devm_pwm_put(struct device *dev, struct pwm_device *pwm);
struct pwm_lookup {
struct list_head list;
const char *provider;