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| author | Alexandre Courbot <acourbot@nvidia.com> | 2012-08-01 19:20:58 +0900 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2012-09-10 17:05:45 +0200 |
| commit | 6354316dbe5a13b25bea15d7ffc891be025eb267 (patch) | |
| tree | 8163ca9c16c872732d37b39ca26e5cf4a686b7ea /Documentation | |
| parent | 0aa0869c3c9b10338dd92a20fa4a9b6959f177b5 (diff) | |
| download | lwn-6354316dbe5a13b25bea15d7ffc891be025eb267.tar.gz lwn-6354316dbe5a13b25bea15d7ffc891be025eb267.zip | |
pwm: add devm_pwm_get() and devm_pwm_put()
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/driver-model/devres.txt | 4 | ||||
| -rw-r--r-- | Documentation/pwm.txt | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index 950856bd2e39..43cff70465ab 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -284,3 +284,7 @@ CLOCK PINCTRL devm_pinctrl_get() devm_pinctrl_put() + +PWM + devm_pwm_get() + devm_pwm_put() diff --git a/Documentation/pwm.txt b/Documentation/pwm.txt index 554290ebab94..7d2b4c9b544b 100644 --- a/Documentation/pwm.txt +++ b/Documentation/pwm.txt @@ -36,7 +36,8 @@ Legacy users can request a PWM device using pwm_request() and free it after usage with pwm_free(). New users should use the pwm_get() function and pass to it the consumer -device or a consumer name. pwm_put() is used to free the PWM device. +device or a consumer name. pwm_put() is used to free the PWM device. Managed +variants of these functions, devm_pwm_get() and devm_pwm_put(), also exist. After being requested a PWM has to be configured using: |