On Sat, Jun 17, 2017 at 05:03:42PM +0200, Wolfram Sang wrote: > > Based on mmc/next > > > > Headline performance boost: 9.5MB/s -> 39.7MB/s > > Did you test writing as well? For me, this fails on M3-W with CMD12 > timeouts. We had some changes in CMD12 handling recently, so it might be > because of that. I'll check on Monday. > > Visual code review follows... No, for not particularly good reasons I only checked read. I'll check write too.