On Fri, 7 May 2021 at 08:44, Avri Altman <Avri.Altman@xxxxxxx> wrote: > > > > > In the SD spec v4.x the SD function extension registers were introduced, > > together with a new set of commands (CMD48/49 and CMD58/59) to read > > and write > > to them. > > > > Moreover, in v4.x a new standard function for power management features > > were > > added, while in v6.x a new standard function for performance > > enhancements > > features were added. > > > > This series implement the basics to add support for these new features (and > > includes some additional preparations in patch 1->7), by adding support for > > reading and parsing these new SD registers. In the final patch we add > > support > > for the SD poweroff notification feature, which also add a function to write > > to > > these registers. > > > > Note that, there are no HW updates need for the host to support > > reading/parsing > > of the these new SD registers. This has been tested with a 64GB Sandisk > > Extreme > > PRO UHS-I A2 card. > > > > Tests and reviews are of course greatly appreciated! > Echoing an internal discussion about this series: > "... > That is very good that there will be a support of the extension registers of SD spec . It may allow existing and future features to be very easily supported by hosts (like existing power off control and future TCG/RPMB related spec which is currently under definition and is going to use those registers as well..). Thanks for sharing. I am happy to help! > ..." > Therefore for entire series: Acked-by: Avri Altman <avri.altman@xxxxxxx> Thanks for reviewing! Kind regards Uffe
