On Friday 18 February 2011, Nath, Arindam wrote: > Auto CMD23 is a feature that automatically issues a CMD23 before > a CMD18 or CMD25 is sent. Objective of this function is to avoid > performance deterioration during memory access by removing interrupt > service of CMD23. I feel a bit stupid now, I confused CMD23 and ACMD23. I thought that this was about automatic insertion of ACMD23, which it is clearly not. I still think we should do *ACMD23* in the block driver, but see no reason for CMD23. Arnd -- 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