Re: [PATCH v6] ARM: omap: edma: add suspend suspend/resume hooks

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On 11/27/2013 02:22 PM, Sekhar Nori wrote:
> + Kevin
> 
> On Monday 25 November 2013 11:04 PM, Joel Fernandes wrote:
>> On 11/17/2013 04:19 PM, Daniel Mack wrote:
>>> This patch makes the edma driver resume correctly after suspend. Tested
>>> on an AM33xx platform with cyclic audio streams and omap_hsmmc.
>>>
>>> All information can be reconstructed by already known runtime
>>> information.
>>>
>>> As we now use some functions that were previously only used from __init
>>> context, annotations had to be dropped.
>>>
>>> [nm@xxxxxx: added error handling for runtime + suspend_late/early_resume]
>>> Signed-off-by: Nishanth Menon <nm@xxxxxx>
>>> Signed-off-by: Daniel Mack <zonque@xxxxxxxxx>
>>> Tested-by: Joel Fernandes <joelf@xxxxxx>
>>> Acked-by: Joel Fernandes <joelf@xxxxxx>
>>
>> Hi Sekhar,
>>
>> Can you consider pulling this patch? It has been tested and Acked. Thanks.
> 
> Kevin had some inputs on previous version of this patch. Were you able
> to make sure he is okay with this version being merged?

I had concerns about the feedback I got, and haven't got answers yet.

In particular, I'm not convinced that using runtime PM to suspend
channels would actually save any power during runtime, or have any other
benefit. But I might be wrong - maybe someone at TI could comment on that?


Thanks,
Daniel

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