Hi, On 30/12/19 2:53 pm, Faiz Abbas wrote: > In some Arasan SDHCI controllers, after tuning, the tuning pattern data > is leftover in the sdhci buffer. This leads to issues with future data > commands, especially when command queuing is enabled. The following > patches help fix this issue by resetting data lines after tuning is > finished. The first two patches have been tested with TI's am65x and > j721e SoCs using the sdhci_am654 driver. > > I have a strong suspicion that this is the same issue with > the sdhci-of-arasan driver where they are forced to dump data from the > buffer before enabling command queuing. I need help from someone with a > compatible platform to test this. > I had some discussions with our hardware team and they say we should be asserting both SRC and SRD reset after tuning to start from a clean state. Will update the patches to do that in v2. Thanks, Faiz
