Messages in this thread |  | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH] PM: Introduce core framework for run-time PM of I/O devices (rev. 3) | Date | Tue, 23 Jun 2009 19:00:03 +0200 |
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On Tuesday 23 June 2009, Rafael J. Wysocki wrote: > Hi, > > Below is a new revision of the patch introducing the run-time PM framework. > > The most visible changes from the last version: > > * I realized that if child_count is atomic, we can drop the parent locking from > all of the functions, so I did that. > > * Introduced pm_runtime_put() that decrements the resume counter and queues > up an idle notification if the counter went down to 0 (and wasn't 0 previously). > Using asynchronous notification makes it possible to call pm_runtime_put() > from interrupt context, if necessary. > > * Changed the meaning of the RPM_WAKE bit slightly (it is now also used for > disabling run-time PM for a device along with the resume counter). > > Please let me know if I've overlooked anything. :-)
Well, I found quite a few problems myself, mostly related to disabling-enabling of the run-time PM and to RPM_WAKE.
Updated patch will be sent out later today.
Best, Rafael
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