On Mon, 14 Mar 2022 at 23:02, Heiner Kallweit <hkallweit1@xxxxxxxxx> wrote: > > On 14.03.2022 11:54, Ulf Hansson wrote: > > On Thu, 3 Mar 2022 at 17:45, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > >> > >> In the error path of mmc_select_hs200() we are trying our best to restore > >> the card/host into a valid state. This makes sense, especially if we > >> encounter a simple switch error (-EBADMSG). However, rather than then > >> continue with using the legacy speed mode, let's try the other better speed > >> modes first. Additionally, let's update the card->mmc_avail_type to avoid > >> us from trying a broken HS200 mode again. > >> > >> In an Amlogic S905W based TV box where the switch to HS200 mode fails for > >> the eMMC, this allows us to use the eMMC in DDR mode in favor of the legacy > >> mode, which greatly improves the performance. > >> > >> Suggested-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> > >> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > > > > Heiner, does this solve your problems? Can you perhaps run some tests > > at your side to see how it works for you? > > > > Tested-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> Thanks! Patch applied for next. [...] Kind regards Uffe