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Wed, 19 Nov 2025 12:35:16 -0800 (PST) Received: from curiosity ([80.211.22.60]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-477b82cc72dsm8653205e9.1.2025.11.19.12.35.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 12:35:15 -0800 (PST) From: Sergey Matyukevich To: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Paul Walmsley , Palmer Dabbelt , Charlie Jenkins , Sergey Matyukevich Subject: [PATCH] riscv: dts: allwinner: d1: fix vlenb property Date: Wed, 19 Nov 2025 23:35:06 +0300 Message-ID: <20251119203508.1032716-1-geomatsi@gmail.com> X-Mailer: git-send-email 2.51.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251119_123519_041280_36D672D8 X-CRM114-Status: GOOD ( 11.07 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org According to [1], the C906 vector registers are 128 bits wide. The 'thead,vlenb' property specifies the vector register length in bytes, so its value must be set to 16. [1] https://dl.linux-sunxi.org/D1/Xuantie_C906_R1S0_User_Manual.pdf Fixes: ce1daeeba600 ("riscv: dts: allwinner: Add xtheadvector to the D1/D1s devicetree") Signed-off-by: Sergey Matyukevich --- arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi index 6367112e614a..a7442a508433 100644 --- a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi @@ -28,7 +28,7 @@ cpu0: cpu@0 { riscv,isa-base = "rv64i"; riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr", "zifencei", "zihpm", "xtheadvector"; - thead,vlenb = <128>; + thead,vlenb = <16>; #cooling-cells = <2>; cpu0_intc: interrupt-controller { -- 2.51.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv