Hi Ben, Renius, On Thu, 25 Feb 2021 at 18:04, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > > A series [1] that has been collaborative worked upon by Takahiro Akashi > (Linaro) and Ben Chuang (Genesys Logic) is targeting to add SD UHS-II support > to the mmc subsystem. > > Throughout the reviews, we realized that the changes affecting the mmc core to > support the UHS-II interface/protocol might not be entirely straightforward to > implement. Especially, I expressed some concerns about the code that manages > power on/off, initialization and power management of a SD UHS-II card. > > Therefore, I have posted this small series to try to help to put some of the > foundation in the mmc core in place. Hopefully this can provide some guidance > and an overall structure, of how I think the code could evolve. > > More details are available in the commit messages and through comments in the > code, for each path. > > Kind regards > Uffe I just wanted to get an update from your side. Did $subject series help to move things forward? If there is anything else I can help with, then please ping me. Kind regards Uffe > > [1] > https://lkml.org/lkml/2020/11/5/1472 > > > Ulf Hansson (4): > mmc: core: Cleanup printing of speed mode at card insertion > mmc: core: Prepare to support SD UHS-II cards > mmc: core: Announce successful insertion of an SD UHS-II card > mmc: core: Extend support for mmc regulators with a vqmmc2 > > drivers/mmc/core/Makefile | 2 +- > drivers/mmc/core/bus.c | 38 +++-- > drivers/mmc/core/core.c | 17 ++- > drivers/mmc/core/core.h | 1 + > drivers/mmc/core/host.h | 5 + > drivers/mmc/core/regulator.c | 34 +++++ > drivers/mmc/core/sd_uhs2.c | 289 +++++++++++++++++++++++++++++++++++ > include/linux/mmc/card.h | 6 + > include/linux/mmc/host.h | 30 ++++ > 9 files changed, 404 insertions(+), 18 deletions(-) > create mode 100644 drivers/mmc/core/sd_uhs2.c > > -- > 2.25.1 >
