Hi Jaehoon, On 28 August 2012 06:33, Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote: > Hi Ulf, > > This patch is to support eMMC5.0.(already discussing on eMMC5.0.) > Revision value is defined the 0x7 into ext_csd register.(in eMMC5.0's case) Until the spec is really set we should not add some new code for this, it does not make sense to kind of guess. > > And case of Quirks is preparation patch to prevent the problem that should exist. > That Quirks can also use for backward compatibility. > (if card is greater version than eMMC4.5 and need to use only eMMC4.5 feature? > then can use quirks and known_rev.) It is just speculations about potential problems with eMMC 5.0. I think we can leave this to later, if/when we see a need for it. Kind regards Ulf Hansson -- 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