Re: [PATCH] arm64: dts: exynos: set LDO7 regulator as always on

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On Wed, Jan 25, 2017 at 9:13 AM, Marek Szyprowski
<m.szyprowski@xxxxxxxxxxx> wrote:
> Such leakage usually happens if there is a hw block, which have more than
> one
> power supply. Disabling power for the one power supply might turn the hw
> logic
> into some meta state, in which it still conduct a current from the other
> source.
>
> The best example of such behavior is Odroid U3 and its problems with reset
> when
> HDMI cable is connected. Sometimes the current leaks from the HDMI connector
> to
> the board when the main power supply is turned off and the board enters some
> kind of a a "meta state".
>
> We still have no idea which hw block causes this leakage in case of TM2/TM2e
> though.

Interesting topic... Thanks for explanation!

Best regards,
Krzysztof
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