On Thu, Oct 26, 2017 at 12:46:02PM +0200, Ulf Hansson wrote: > On 26 October 2017 at 03:19, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote: > > Hi, Ulf > > > > On 2017/9/27 11:40, Shawn Lin wrote: > >> > >> Per SD specification version 4.10, section 4.3.4, it says "pre-erased > >> (ACMD23) will make a following Multiple Block Write operation faster > >> compared to the same operation without preceding ACMD23". ACMD23 is > >> mandatory for all sd cards and the spec also says "Command STOP_TRAN > >> (CMD12) shall be used to stop the transmission in Write Multiple Block > >> whether or not the preerase (ACMD23) feature is used." > > > > > > Ping... :) > > Hi Shawn, > > Actually I was waiting for confirmation from Jan about his tests. The patches worked for me but I'm not sure I've actually tested ACMD23. Do I need to trigger ACMD23 somehow? --Jan > However, overall the series looks reasonable to me. > > Kind regards > Uffe -- 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
