Hi Ulf, On Tue, Jan 24, 2017 at 09:16:12AM +0100, Ulf Hansson wrote: > On 16 January 2017 at 17:56, Maxime Ripard > <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > > Experience have shown that the using the autocalibration could severely > > degrade the performances of the MMC bus. > > > > Allwinner is using in its BSP a delay set to 0 for all the modes but HS400. > > Remove the calibration code for now, and add comments to document our > > findings. > > So doesn't this break some platforms using HS400? Or are you saying > those are already broken? Like Andre said, HS400 isn't supported at all, so there's no regression or brokenness involved :) Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
Attachment:
signature.asc
Description: PGP signature
