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authorAlexandre Courbot <acourbot@nvidia.com>2012-08-01 12:20:58 +0200
committerThierry Reding <thierry.reding@avionic-design.de>2012-09-10 17:05:45 +0200
commit6354316dbe5a13b25bea15d7ffc891be025eb267 (patch)
tree8163ca9c16c872732d37b39ca26e5cf4a686b7ea /Documentation/pwm.txt
parentpwm: Add support for configuring the PWM polarity (diff)
downloadlinux-6354316dbe5a13b25bea15d7ffc891be025eb267.tar.xz
linux-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/pwm.txt')
-rw-r--r--Documentation/pwm.txt3
1 files changed, 2 insertions, 1 deletions
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: