Hi Ulf,
On Tue, Jan 24, 2017 at 09:16:12AM +0100, Ulf Hansson wrote:
> On 16 January 2017 at 17:56, Maxime Ripard
> 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
Hi Ulf,
On 24/01/17 08:16, Ulf Hansson wrote:
> On 16 January 2017 at 17:56, Maxime Ripard
> 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 HS
On 16 January 2017 at 17:56, Maxime Ripard
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 com
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.
Reviewed-by: Andre Przywara
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