On 28/05/19 2:21 PM, Arend Van Spriel wrote: > > > On 5/28/2019 12:04 PM, Adrian Hunter wrote: >> On 26/05/19 9:42 PM, Arend Van Spriel wrote: >>> On 5/18/2019 12:54 AM, Douglas Anderson wrote: >>>> Normally when the MMC core sees an "-EILSEQ" error returned by a host >>>> controller then it will trigger a retuning of the card. This is >>>> generally a good idea. >>> >>> Probably a question for Adrian, but how is this retuning scheduled. I recall >>> seeing something in mmc_request_done. How about deferring the retuning upon >>> a release host or is that too sdio specific. >> >> Below is what I have been carrying the last 4 years. But according to >> Douglas' >> patch, the release would need to be further down. See 2nd diff below. >> Would that work? > > That makes sense. The loop is needed because the device can be a bit bone > headed. So indeed after the loop the device should be awake and able to > handle CMD19. What if tuning is needed to read SBSDIO_FUNC1_SLEEPCSR successfully?
