Re: [PATCH 1/2] arm64: dts: renesas: Remove empty lvds endpoints

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Hi Laurent,

On Wed, Dec 29, 2021 at 8:18 PM Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
> Endpoints node must have a remote-endpoint property, as endpoints only
> exist to model a link between ports. Drop the empty lvds endpoints from
> SoC dtsi files, then should be instead declared in the board dts or in
> overlays.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

Thanks for your patch!
I'm interested in hearing Rob's opinion about the general idea...

> ---
>  arch/arm64/boot/dts/renesas/r8a774a1.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a774b1.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a774c0.dtsi | 4 ----
>  arch/arm64/boot/dts/renesas/r8a774e1.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a77951.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a77960.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a77965.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a77970.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a77980.dtsi | 2 --
>  arch/arm64/boot/dts/renesas/r8a77990.dtsi | 4 ----
>  arch/arm64/boot/dts/renesas/r8a77995.dtsi | 4 ----
>  11 files changed, 28 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
> index 6f4fffacfca2..9a8c1bd923af 100644
> --- a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
> @@ -2771,8 +2771,6 @@ lvds0_in: endpoint {
>                                 };
>                                 port@1 {
>                                         reg = <1>;
> -                                       lvds0_out: endpoint {
> -                                       };

As there are several DTS files that refer to this label, this change
will break them?

> base-commit: 2b534e90a1e31c7fc9536b512b72274cc3575f4c

Why does this depend on a commit in drm-next?
DTS changes are supposed to go in through renesas-devel and soc.

> prerequisite-patch-id: 98434eb22c020924bc338316e54a7b42ea339e9f
> prerequisite-patch-id: ce261c9865255051f2c2107a930b0f15ce862703
> prerequisite-patch-id: 500ab746415c5421e41128c2b0db35987d8d7a49
> prerequisite-patch-id: ad2d5ad025f9cfa0dc453d7e0b2aa96b4514afd7
> prerequisite-patch-id: ac76bcc0f7b278863e362db083a7d64bbd0bd030
> prerequisite-patch-id: c7a7c3a6b9dbbae18a768160db70d7010ea71ca5

While Google does not index by commit ID or patch ID, at least the
base-commit can be found easily in linux-next. But even with some
scripting, the prerequisites cannot.  What are these prerequisites?
Do you have lore links?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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