On Fri, Nov 2, 2012 at 4:34 AM, Philip Rakity <prakity@xxxxxxxxxx> wrote: > Hi Daniel, > > How are your regulators defined ? > > would like to understand how the code ever worked ! We don't have any regulators defined, and this code has never worked for us. This is discussed in the threads: UHS-I voltage switching on OLPC XO-1.75 [PATCH 2/2] mmc: core: Power cycle card on voltage switch fail We do not have the hardware capability for 1.8V, but we do need the system to be able to revert to 3.3V without issue. Daniel -- 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