[PATCH] ARM: dts: ci4x10: Reflect upstream change to fec clocks
Thorsten Scherer
t.scherer at eckelmann.de
Thu Mar 31 06:25:34 PDT 2022
Hello Uwe,
> Hello Thorsten,
>
> from your POV f3e7dae323ab is an upstream change, but as your patch
> targets upstream, too, it doesn't really make sense to write "Reflect
> upstream change" in the Subject.
>
you are right.
> I would have written:
>
> ARM: dts: ci4x10: Adapt to changes in imx6qdl.dtsi regarding fec clocks
>
> Commit f3e7dae323ab ("ARM: dts: imx6qdl: add enet_out clk
> support") added another item to the list of clocks for the fec
> device. As imx6dl-eckelmann-ci4x10.dts only overwrites clocks,
> but not clock-names this resulted in an inconsistency with
> clocks having one item more than clock-names.
Thank you for suggesting a message. Would you mind, if I'd pick it up
verbatim?
> Maybe it would make sense to overwrite clock-names, too, to prevent a
> similar inconsistency in the future?! If yes:
>
> Also overwrite clock-names with the same value as in
> imx6qdl.dtsi. This is a no-op today, but prevents similar
> inconsistencies if the soc file will be changed in a similar way
> in the future.
>
Overwriting clock-names sounds sensible.
> The breakage isn't bad I think (is it?), so I don't think a Fixes: line
> is necessary. @Shawn: Do you agree?
>
> On Tue, Mar 29, 2022 at 08:12:54AM +0200, Thorsten Scherer wrote:
> > diff --git a/arch/arm/boot/dts/imx6dl-eckelmann-ci4x10.dts b/arch/arm/boot/dts/imx6dl-eckelmann-ci4x10.dts
> > index b4a9523e325b..98a503d9be21 100644
> > --- a/arch/arm/boot/dts/imx6dl-eckelmann-ci4x10.dts
> > +++ b/arch/arm/boot/dts/imx6dl-eckelmann-ci4x10.dts
> > @@ -297,7 +297,10 @@ &fec {
> > phy-mode = "rmii";
> > phy-reset-gpios = <&gpio1 18 GPIO_ACTIVE_LOW>;
> > phy-handle = <&phy>;
> > - clocks = <&clks IMX6QDL_CLK_ENET>, <&clks IMX6QDL_CLK_ENET>, <&rmii_clk>;
> > + clocks = <&clks IMX6QDL_CLK_ENET>,
> > + <&clks IMX6QDL_CLK_ENET>,
> > + <&rmii_clk>,
> > + <&clks IMX6QDL_CLK_ENET_REF>;
>
> The change is fine, but if you agree to adding clock-names needs
> adaption of course.
>
After Shawn's feedback concerning the Fixes line I will send a v2.
> Best regards
> Uwe
Kind regards
Thorsten
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