Messages in this thread | | | Date | Thu, 17 Nov 2011 12:10:02 +0530 | From | Narayanan G <> | Subject | Re: [PATCH] dmaengine/ste_dma40: support pm in dma40 |
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On Thu, Nov 17, 2011 at 06:23:52 +0100, Vinod Koul wrote: > runtime pm manages the device power management. It will call your > suspend/resume callbacks when your device is idle/active and manages the > device usage for you. > Within your device you need to do your own management, which should be > linked to channel being active. You should not club the two. > > I am not sure if the clock framework can help you on this
Instead of switching on and off eventlines very frequently, I'll do it in the runtime_suspend() and runtime_resume(), so that it looks more neat and can get away with these usage counters. I will re-work and submit a new version of this patch.
~Narayanan
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