[PATCH 1/2] arm64: dts: imx8mm-evk: Add VDDEXT_3V3 fixed regulator

Shawn Guo shawnguo at kernel.org
Sun Sep 24 06:13:02 PDT 2023


On Mon, Aug 21, 2023 at 02:33:17AM +0000, Ying Liu wrote:
> On Friday, August 18, 2023 10:06 PM Fabio Estevam <festevam at gmail.com> wrote:
> > On Mon, Aug 14, 2023 at 5:07 AM Liu Ying <victor.liu at nxp.com> wrote:
> > 
> > > +       reg_vddext_3v3: regulator-vddext-3v3 {
> > > +               compatible = "regulator-fixed";
> > > +               regulator-name = "VDDEXT_3V3";
> > > +               regulator-min-microvolt = <3300000>;
> > > +               regulator-max-microvolt = <300000>;
> > > +       };
> > 
> > Booting the dtb with this change will cause this regulator to be
> > disabled as there is no consumer for it.
> 
> Software cannot control this regulator by any means.  It's on once
> the board is powered on.  Do you mean it will be disabled in software
> level if no consumer?  If that's the case, is the disablement harmful?
> 
> > 
> > I suggest squashing both patches:
> 
> The patch looks self-contained to me.  Can we keep it as-is?

While I agree the patch is self-contained, squashing them will make it
easier to apply the change as a fix and cherry-pick the fix to stable
kernel.

Applied with squashing, thanks!

Shawn



More information about the linux-arm-kernel mailing list