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Sat, 15 Nov 2025 01:11:05 -0800 (PST) Received: from geday ([2804:7f2:800b:a07a::dead:c001]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2a49d695821sm22799663eec.0.2025.11.15.01.11.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Nov 2025 01:11:04 -0800 (PST) Date: Sat, 15 Nov 2025 06:10:58 -0300 From: Geraldo Nascimento To: linux-rockchip@lists.infradead.org Cc: Shawn Lin , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Heiko Stuebner , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Krzysztof Kozlowski , Conor Dooley , Johan Jonker , Geraldo Nascimento , Dragan Simic Subject: [PATCH 3/3] arm64: dts: rockchip: drop max-link-speed = <2> in helios64 PCIe Message-ID: <53332edec449b84d8a962f2b5995667766359772.1763197368.git.geraldogabriel@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251115_011106_518573_036FD8FF X-CRM114-Status: GOOD ( 12.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Shawn Lin from Rockchip strongly discourages attempts to use their RK3399 PCIe core at 5.0 GT/s speed, citing concerns about catastrophic failures that may happen. Even if the odds are low, drop from last user of this property for the RK3399 platform, helios64. Fixes: 755fff528b1b ("arm64: dts: rockchip: add variables for pcie completion to helios64") Link: https://lore.kernel.org/all/ffd05070-9879-4468-94e3-b88968b4c21b@rock-chips.com/ Reported-by: Shawn Lin Signed-off-by: Geraldo Nascimento --- arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts index e7d4a2f9a95e..78a7775c3b22 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts @@ -424,7 +424,6 @@ &pcie_phy { &pcie0 { ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>; - max-link-speed = <2>; num-lanes = <2>; pinctrl-names = "default"; status = "okay"; -- 2.49.0