Re: [PATCH 3/5] arm64: dts: qcom: sm6125-seine: Provide regulators to SDHCI 1

[Konrad Dybcio]

On 23.12.2022 14:08, Marijn Suijten wrote:
> On 2022-12-23 13:00:18, Konrad Dybcio wrote:
>>
>>
>> On 22.12.2022 21:36, Marijn Suijten wrote:
>>> While SDHCI 1 appears to work out of the box, we cannot rely on the
>>> bootloader-enabled regulators nor expect them to remain enabled (e.g.
>>> when finally dropping pd_ignore_unused).
>>
>> Unrelated, unused-yet-enabled (as far as Linux is concerned, anyway,
>> it doesn't know the state of smd rpm regulators unless you add
>> regulator-boot-on) regulators get swept by "regulator cleanup".
> 
> That's exactly the point made here: at least this way Linux knows that
> these regulators should remain enabled.  Even if it doesn't know about
> many others and would fall flat on its face regardless when disabling
> others as part of regulator cleanup.
> 
> Unless you meant something different?
I meant that regulators are not handled by pd_ignore_unused, but rather
by a similar mechanism.

Konrad
> 
> - Marijn