Arindam, Could you look at making (Tuning) CMD19 part of the sdhc.ci driver? It flow is part of the Host Controller and Physical layer specs. I am not sure that it belongs in core/ as it is transparent to the other functions and is unclear why it needs to be exposed adding Nico for comments PHilip-- 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