Re: [PATCH] sdhci-fujitsu: add support for setting the CMD_DAT_DELAY attribute

[Ulf Hansson <ulf.hansson@linaro.org>]

[...]

>>>>
>>>> Do you mean set it unconditionally? That works for me, but I have no
>>>
>>> Yes.
>>>
>>>> way of testing whether it still works on other SoCs that use this IP.
>>>
>>> Me neither!
>>
>> Hi all, I can not yet get contact with IP owner because it is a
>> holiday in Japan.
>> Around two years ago, F_SDH30_CMD_DAT_DELAY was a new feature of this IP.
>> I will update the latest information as soon as I get it.
>>
> I got a response from IP owner.
> He explains F_SDH30_CMD_DAT_DELAY is intended to adjust signal timing of
> CMD/DAT lines, and it is necessary to change its value according to
> SoC/board design.
> So he advises us to make F_SDH30_CMD_DAT_DELAY adjustable by a DT binding.
>
> Kind regards
> Vincent
>
>>>
>>> Apparently there are no DTS in the kernel git that uses the
>>> "fujitsu,mb86s70-sdhci-3.0".
>>
>> Around two years ago, sdhci_f_sdh30_driver was a portion for mb86s70 SoC
>> patch series, but finally the patch series did not fully go upstream.
>>

Vincent, thanks for all the help in this!

Ard, one thing, could you please split the DT doc change into a
separate patch, preceding the change that actually do the parsing of
the new binding.

Kind regards
Uffe