On Sat, Mar 05, 2016 at 07:18:30PM +0700, Linus Walleij wrote: > Depends on what time horizon and target I'd say. Paolo was in contact with > the MMC/SD subsystem maintainer Ulf Hansson. (e)MMC/SD are both > synchronous command-response-based protocols, and as of today > single-channel. So everone's smartphone and tablet etc are today > single-channel. I don't know if there is even a protocol change coming > to augment this, the only duct-tapeish solution I've heard about is > command queueing which is basically a kind of pipelining of requests.
We use blkj-mq for single queue devices as well, in fact most consumers are single queue. MMC is a prime candidate that hould move over soon.
