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 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
