Messages in this thread | | | From | Kevin Hilman <> | Subject | Re: [PATCH] ARM64: dts: meson: disable sd-uhs modes on the libretech-cc | Date | Fri, 27 Apr 2018 12:15:39 -0700 |
| |
Jerome Brunet <jbrunet@baylibre.com> writes:
> There is a problem with the sd-uhs mode when doing a soft reboot. > Switching back from 1.8v to 3.3v messes with the card, which no longer > respond (timeout errors). According to the specification, we should > perform a card reset (power cycling the card) but this is something we > cannot control on this design. > > Then the only solution to restore the communication with the card is an > "unplug-plug" which is not acceptable > > Until we find a solution, if any, disable the sd-uhs modes on this design. > For the people using uhs at the moment, there will a performance drop as > a result. > > Fixes: 3cde63ebc85c ("ARM64: dts: meson-gxl: libretech-cc: enable high speed modes") > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Applied to v4.17/fixes, and adding a Cc to stable.
Thanks,
Kevin
| |