On Fri, May 13, 2016 at 09:25:31AM +0200, Lucas Stach wrote: > Am Montag, den 29.02.2016, 22:01 +0100 schrieb Lucas Stach: > > This allows to switch the card signal voltage level to 1.8V, > > which is needed for any ultra high speed modes to work. > > > > Signed-off-by: Lucas Stach <dev@xxxxxxxxxx> > > --- > > This needs the SDMMC memcomp pad calibration patches I just > > sent out to be applied, otherwise the card voltage change will > > fail with a message in the kernel log and a fall back to > > high speed operation. > > The patches this one depends on have been applied for some time now. > Please pick up this patch. My understanding is that UHS modes currently cause problems on Beaver. What I don't understand about that is how it will even try those modes if the voltage regulator can't be set to 1.8 V? Shouldn't that actively prevent those modes from even being attempted? Thierry
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