linux-kernel - Re: [PATCH v2 2/3] arm64: dts: rockchip: add overlay tests for Rock 5B PCIe overlays

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Message-ID: <Z4pWQKRjgEkFAi3W@ryzen>
Date: Fri, 17 Jan 2025 14:08:16 +0100
From: Niklas Cassel <cassel@...nel.org>
To: Quentin Schulz <foss+kernel@...il.net>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>, Jagan Teki <jagan@...eble.ai>,
	Michael Riesch <michael.riesch@...fvision.net>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Quentin Schulz <quentin.schulz@...rry.de>
Subject: Re: [PATCH v2 2/3] arm64: dts: rockchip: add overlay tests for Rock
 5B PCIe overlays

On Thu, Jan 16, 2025 at 03:47:11PM +0100, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz@...rry.de>
> 
> According to commit 40658534756f ("arm64: dts: rockchip: Add rock5b
> overlays for PCIe endpoint mode"), Rock 5B can operate in PCIe endpoint
> mode. For that to work, the rk3588-rock-5b-pcie-ep.dtbo overlay needs to
> be applied on Rock 5B base Device Tree. If that Rock 5B is connected to
> another Rock 5B, the latter needs to apply the
> rk3588-rock-5b-pcie-srns.dtbo overlay.
> 
> In order to make sure the overlays are still valid in the future, let's
> add a validation test by applying the overlays on top of the main base
> at build time.
> 
> Fixes: 40658534756f ("arm64: dts: rockchip: Add rock5b overlays for PCIe endpoint mode")
> Signed-off-by: Quentin Schulz <quentin.schulz@...rry.de>
> ---

Reviewed-by: Niklas Cassel <cassel@...nel.org>