Re: [PATCH] rk3399-nanopi4.dtsi: enable sdmmc regulator on boot

From: Mark Brown
Date: Thu Oct 07 2021 - 10:25:26 EST


On Wed, Oct 06, 2021 at 12:08:17PM -0400, Trevor Woerner wrote:
> @@ -71,6 +71,7 @@ vcc3v0_sd: vcc3v0-sd {
> pinctrl-names = "default";
> pinctrl-0 = <&sdmmc0_pwr_h>;
> regulator-always-on;
> + regulator-boot-on;

This shouldn't be required for devices that can read their status, the
fact that it's always on should cause it to be powered up if it wasn't
already when applying constraints. I'm therefore confused as to what
this change is doing and there's probably something else going on here.

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