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Tue, 24 Feb 2026 04:20:23 -0800 (PST) From: Anand Moon To: Thierry Reding , Bjorn Helgaas , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Hunter , Aaron Kling , linux-tegra@vger.kernel.org (open list:PCI DRIVER FOR NVIDIA TEGRA), linux-pci@vger.kernel.org (open list:PCI DRIVER FOR NVIDIA TEGRA), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Cc: Anand Moon Subject: [PATCH v3 2/5] arm64: dts: tegra: tegra186-p2771: Fix invalid PCIe nvidia,num-lanes Date: Tue, 24 Feb 2026 17:48:58 +0530 Message-ID: <20260224121948.25218-3-linux.amoon@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260224121948.25218-1-linux.amoon@gmail.com> References: <20260224121948.25218-1-linux.amoon@gmail.com> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit NVIDIA Tegra PCIe binding schema (nvidia,tegra-pcie.yaml) defines nvidia,num-lanes with an enum of [1, 2, 4]. The value <0> for the pci@2,0 node is invalid and causes a dtbs_check validation failure. Update the lane count to <1> to comply with the binding constraints. Signed-off-by: Anand Moon --- v3: new patch http://devicetree.org/schemas/pci/nvidia,tegra-pcie.yaml /media/nvme0/mainline/linux-tegra-6.y-devel/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dtb: pcie@10003000 (nvidia,tegra186-pcie): pci@2,0:nvidia,num-lanes: 0 is not one of [1, 2, 4] from schema $id: http://devicetree.org/schemas/pci/nvidia,tegra-pcie.yaml DTC [C] arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dtb --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 8b3736cee323..b4c6bfb09ce2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -2433,7 +2433,7 @@ pci@1,0 { }; pci@2,0 { - nvidia,num-lanes = <0>; + nvidia,num-lanes = <1>; status = "disabled"; }; -- 2.50.1