Re: [PATCH v2] mmc: sdhci: Don't enable presets while tuning

2020-09-25 Thread Adrian Hunter
On 18/09/20 8:57 pm, Raul Rangel wrote: > On Tue, Sep 1, 2020 at 4:54 AM Adrian Hunter wrote: >> >> On 24/08/20 9:21 pm, Raul E Rangel wrote: >>> SDHCI presets are not currently used for eMMC HS/HS200/HS400, but are >>> used for DDR52. The HS400 retuning sequence is: >>> >>>

Re: [PATCH v2] mmc: sdhci: Don't enable presets while tuning

2020-09-18 Thread Raul Rangel
On Tue, Sep 1, 2020 at 4:54 AM Adrian Hunter wrote: > > On 24/08/20 9:21 pm, Raul E Rangel wrote: > > SDHCI presets are not currently used for eMMC HS/HS200/HS400, but are > > used for DDR52. The HS400 retuning sequence is: > > > > HS400->DDR52->HS->HS200->Perform Tuning->HS->HS400 > > > >

Re: [PATCH v2] mmc: sdhci: Don't enable presets while tuning

2020-09-01 Thread Adrian Hunter
On 24/08/20 9:21 pm, Raul E Rangel wrote: > SDHCI presets are not currently used for eMMC HS/HS200/HS400, but are > used for DDR52. The HS400 retuning sequence is: > > HS400->DDR52->HS->HS200->Perform Tuning->HS->HS400 > > This means that when HS400 tuning happens, we transition through

[PATCH v2] mmc: sdhci: Don't enable presets while tuning

2020-08-24 Thread Raul E Rangel
SDHCI presets are not currently used for eMMC HS/HS200/HS400, but are used for DDR52. The HS400 retuning sequence is: HS400->DDR52->HS->HS200->Perform Tuning->HS->HS400 This means that when HS400 tuning happens, we transition through DDR52 for a very brief period. This causes presets to be