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PM: Add documentation for pm_runtime_resume_and_get()

Message ID 20210408152209.GA1299604@rowland.harvard.edu
State New
Headers show
Series PM: Add documentation for pm_runtime_resume_and_get() | expand

Commit Message

Alan Stern April 8, 2021, 3:22 p.m. UTC 
Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to
deal with usage counter") added a new runtime-PM API function without
adding any documentation for it.  This patch adds the missing
documentation.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Zhang Qilong <zhangqilong3@huawei.com>
Fixes: dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")

---


[as1954]


 Documentation/power/runtime_pm.rst |    4 ++++
 1 file changed, 4 insertions(+)
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Patch

Index: usb-devel/Documentation/power/runtime_pm.rst
===================================================================
--- usb-devel.orig/Documentation/power/runtime_pm.rst
+++ usb-devel/Documentation/power/runtime_pm.rst
@@ -339,6 +339,10 @@  drivers/base/power/runtime.c and include
       checked additionally, and -EACCES means that 'power.disable_depth' is
       different from 0
 
+  `int pm_runtime_resume_and_get(struct device *dev);`
+    - run pm_runtime_resume(dev) and if successful, increment the device's
+      usage counter; return the result of pm_runtime_resume
+
   `int pm_request_idle(struct device *dev);`
     - submit a request to execute the subsystem-level idle callback for the
       device (the request is represented by a work item in pm_wq); returns 0 on