linux-kernel - Re: [PATCH] arm64: dts: ti: Enable overlays for all DTB files

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Message-ID: <20250703122919.yif56scd6fclnrle@bryanbrattlof.com>
Date: Thu, 3 Jul 2025 07:29:19 -0500
From: Bryan Brattlof <bb@...com>
To: Andrew Davis <afd@...com>
CC: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>,
        Vignesh
 Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: ti: Enable overlays for all DTB files

On July  2, 2025 thus sayeth Andrew Davis:
> Allow overlays to be applied to any DTB without manually enabling it
> for each file. This adds around ~10% to the total size of the DTB files
> on average.
> 
> Signed-off-by: Andrew Davis <afd@...com>
> ---
> 
> Note that Broadcom's DTS already do this, so there is precedent for this.
> And we do this unconditionally in our Yocto Distros[0] already, this just
> moves this so everyone gets overlay support for all boards.
> 
> [0] https://git.yoctoproject.org/meta-ti/tree/meta-ti-bsp/recipes-kernel/linux/ti-kernel.inc#n5
> 
>  arch/arm64/boot/dts/ti/Makefile | 22 +---------------------
>  1 file changed, 1 insertion(+), 21 deletions(-)

With the current size of the kernel and initrd these days, +10% of a few 
KBs is not even a rounding error IMHO :)

Acked-by: Bryan Brattlof <bb@...com>

~Bryan