Re: [PATCH V4 00/15] mmc: host: Add facility to support re-tuning

[Adrian Hunter <adrian.hunter@intel.com>]

On 01/04/15 09:21, Adrian Hunter wrote:
> On 27/03/15 22:57, Adrian Hunter wrote:
>> Hi
>>
>> Here is V4 of some patches to move re-tuning support
>> out of sdhci and into the core, and add support for HS400
>> re-tuning.
>>
>> Currently sdhci does re-tuning transparently by
>> calling sdhci_execute_tuning() from its ->request()
>> function.
>>
>> The problem with HS400 re-tuning is that it must be
>> done in HS200 mode. That means using switch commands
>> and making ios changes. That means it potentially
>> conflicts with other command sequences. The new
>> re-tuning support accomodates that.
>>
>> These patches now depend on Ulf's patch:
>>
>>     mmc: core: Enable runtime PM management of host devices
>>
>>
>> Changes in V4:
>>
>>     mmc: host: Add facility to support re-tuning
>>
>> 	Assume mmc_claim_host() runtime resumes the host
>> 	controller so there are no races with runtime pm.
>> 	Consequently remove now un-needed re-tuning host
>> 	operations.
>>
>>     mmc: core: Add support for re-tuning before each request
>>
>> 	Call mmc_retune() prior to ->request()
>>
>>     mmc: sdhci: Change to new way of doing re-tuning
>>
>> 	Updated to reflect the changes above.
> 
> Hi
> 
> What is the status of this?

Hi

What needs to be done to move this forward?

Regards
Adrian