[PATCH v1 08/10] ARM: dts: exynos: Add proper regulator states for suspend-to-mem for Exyno5250 smdk5250
Krzysztof Kozlowski
krzk at kernel.org
Fri Apr 25 07:48:03 PDT 2025
On 25/04/2025 15:26, Anand Moon wrote:
> The MAX77686 PMCI is able to power down and up key core supplies and other
> voltage rails via PWRREQ signal to enter / exit (deep) sleep mode.
> PWRREQ status is ignored during initial power up and down processes.
> All programming must be done before the AP enterns the sleep mode by
> pulling PWRREQ low since the AP does not have programming capability
> in (deep) sleep mode.
>
> Add suspend-to-mem node to regulator core to be enabled or disabled
> during system suspend and also support changing the regulator operating
> mode during runtime and when the system enter sleep mode (stand by mode).
>
> Regulators which can be turned off during system suspend:
> -LDOn : 2, 6-8, 10-12, 14-16,
> -BUCKn : 1-4.
> Use standard regulator bindings for it ('regulator-off-in-suspend').
I do not believe you tested this but instead send whatever you found
somewhere without actually understanding the code. In the past you were
sending such patches - without knowing what they do and without actually
testing.
NAK
Best regards,
Krzysztof
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