tile: remove an unused variable in copy_thread()

[firefly-linux-kernel-4.4.55.git] / Documentation / pwm.txt

diff --git a/Documentation/pwm.txt b/Documentation/pwm.txt
index 554290ebab94509f6fa9ae603cadfc3b8afcde4a..7d2b4c9b544b3c28596bec44c05a62dfadfdc260 100644 (file)
--- 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: