[PATCH 0/2] mmc: sdhci: potentially bad behavior when using vmmc supply

Ulf Hansson ulf.hansson at linaro.org
Mon Nov 9 05:18:40 PST 2015


On 9 November 2015 at 14:14, Ludovic Desroches
<ludovic.desroches at atmel.com> wrote:
> On Mon, Nov 09, 2015 at 11:50:50AM +0100, Ulf Hansson wrote:
>> [...]
>>
>> >>
>> >> This doesn't seems like a case where a gpio regulator should be used
>> >> and I am not sure what problem it would solve. Beside to suppress the
>> >> log warnings (actually those aren't warnings but informations).
>> >>
>> >> Isn't sdhci_do_start_signal_voltage_switch() doing what you need here?
>> >>
>> >
>> > It is. I am only wondering the best way to describe the hardware:
>> > - No regulator but I have the 'no vqmmc regulator not found' message which
>> >   is a bit annoying and which can be interpreted as an issue for someone
>> >   who has no knowledge about this stuff.
>>
>> Hmm, should we turn them into debug messages? Both regulators are optional.
>>
>
> I think so. From my point of view, it is useless to indicate that
> something optionnal is missing.

Okay. Please go ahead and send a patch.

Kind regards
Uffe



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