From nobody Tue Feb 10 02:50:00 2026 Received: from out162-62-57-49.mail.qq.com (out162-62-57-49.mail.qq.com [162.62.57.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 06CA227E7EB for ; Tue, 3 Feb 2026 17:22:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.62.57.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770139327; cv=none; b=p7NUQhNUpE3OhInfaw/8ASOjreUfUPTF1RLdtBD4JL05mq113Pjvg0tJFs39afD03wbEevlMDcnNkLnuueCGWRBpLrnb+8m3hNUCqPcg0VIcwy63lGV4BreYkJuEmObJPHjVXJ/grPu66GB/nOAIoeXi9LZvBWppoNi7hB7pGH8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770139327; c=relaxed/simple; bh=J7RdU025kD7I69qyuE2qsyGELW3AWdeKD+AQLCdS7w4=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=Lzbddz//xyJZ2kDxsuQYdEPkJbzLmjmUCJew1f/psB6dOPmI5j2Nl5eUdXte88G5MkD6V5pCrbdSm77ral/owU7OsyV2rXglXW9Z/NkIP0P72i8D1jx4T6OC/3jgvpVyCuMf3EBBQB741RvkqS5Dg4grrS+/ylAO9E8N5Ty9aX8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cyyself.name; spf=pass smtp.mailfrom=cyyself.name; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=kGyI6ZgS; arc=none smtp.client-ip=162.62.57.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cyyself.name Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cyyself.name Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="kGyI6ZgS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1770139315; bh=+7o+0vyglI6SKIn20vq/JuFe7AAgC6WPGuSWeg1wEjw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=kGyI6ZgSq/IUUJENv5cuRssuvQUGt5dYMT1t1JA9ly4FozceSF6RRx7CLE/yK9B5P WBiGkmkUC2DfgPn3etbaFzjEoNTYF7c74yvMzt1rXAzisLZCzNEnABmU9j8D9ZTUhe IaBWf7CG+ndwEgLKwod/qq7bzslAZlgefwgChp0c= Received: from cyy-pc.lan ([240e:379:2263:bd00:7e4b:55e4:8771:53fb]) by newxmesmtplogicsvrsza63-0.qq.com (NewEsmtp) with SMTP id 571062C7; Wed, 04 Feb 2026 01:21:49 +0800 X-QQ-mid: xmsmtpt1770139309tz6l3w68c Message-ID: X-QQ-XMAILINFO: N9lasXYeZMXWq8mgpS9v9z2OCE4jLagYmjfDafYb6w1cbnEz/To+DObDJGFuCw jHoRzlacZGegfRK8DPENVMFgk9g+EauA3kndjtTxmMvuCQa/aKhriujcsTTKyPtdjv+fl8c3f143 MuXc8uODYA7yISkfM5rBvX9dLLj4TQIvLYc6eqHch56U7tEFhiG081NwNycFLY26R92nCEzadUwq VC1khsrdqzFuSikouiFfdexzxDsoxQ3Bm0Ahu2lgrz6M89KfozukUJq3NOj+YGK0mhL3cxOEbMDx 5GL4LPJFvoGuKU5YMhJOejkvsIUHvMD2V9HgsdizTqvUFnTSu17QGhWUvU8SxoUc08SdXMykU+9k TRiyTPzBOYkVZvP5WhCH2P5HAWc1AuvPh+FFmhCCNZ//Yf36bwqCo/Mv+JqsjUgOs9EFBgAq2Ebl tKtnBDFAkNmLHHVpLq6NcZ8EV3MOv4n6eSZbx10WWQG7NAvCWqi3lVSvxNfzlPFB72CQh1zRLiLq SgNwf7mQwwwbX6dMuD4Rgx4HN3LF5EPJOAr8tHOGZOzJnw0isFDWkyglapr2jCr9UrG5rY3acFqW hOjEQjB1UEabIvy7/zC8+ahVptE/Cmer9lGtdgX5gUTU4/GNtlPDszv59bnUY4wpKopTuly//pE3 MTe/YQzYGWBkFv0a7nuMFWy8472up+IVlWshTD/ECDEC5dRcoSS1+8YzhIVV4gLGjcfO+yGMiLBR It/6Ldze/V/+7MBpTXeKbbX78XaFdYzoTb3WQ5UfBOpHxUmhYXf1jQ8x141n8e0kDfLFCmA4pwo5 AJiogfUmgV0fpVIxcbQJiPNNCVh9591Q9yIbkts4KF1EHBXUNEjsnZ9DCFgqDGvhmaXXMF8EdhFO +fGlprvTaSEFuO8X+6oTgoQrc2bHlxVTHMU63l664R6F8y34rLCWsQ2nusPkQHfBggIS+qTEI2WI XSgXEjH1bufRRtsq6qjK1Bi3Y91slsys99ohTfZVz7uQXyFK6U6sC90yS1Wlzc/rsKFVQ3wd0rvM mulMTDXb2afR/nJTFEUvSaVvlpHnNUnpToU1yL/djfJcsVSHwmIRcOknUrpSy1QUaRFqcQJWjTD2 q3Wt5c X-QQ-XMRINFO: Nq+8W0+stu50tPAe92KXseR0ZZmBTk3gLg== From: Yangyu Chen To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Anup Patel , Samuel Holland , Charles Mirabile , Lucas Zampieri , Thomas Gleixner , Paul Walmsley , Palmer Dabbelt , Mason Huo , Zhang Xincheng , Charlie Jenkins , Marc Zyngier , Sia Jee Heng , Ley Foon Tan , Krzysztof Kozlowski , Rob Herring , Conor Dooley , Alexandre Ghiti , devicetree@vger.kernel.org, Jia Wang , Yangyu Chen Subject: [PATCH v3 2/2] dt-binding: riscv: Clarify the riscv,ndev meaning in PLIC Date: Wed, 4 Feb 2026 01:21:48 +0800 X-OQ-MSGID: <20260203172148.1595129-1-cyy@cyyself.name> X-Mailer: git-send-email 2.51.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In PLIC, interrupt source 0 is reserved and should not be used. Therefore, the valid interrupt sources are from 1 to riscv,ndev inclusive. This commit updates the documentation to clarify this point. Signed-off-by: Yangyu Chen Acked-by: Conor Dooley --- .../bindings/interrupt-controller/sifive,plic-1.0.0.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,= plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/si= five,plic-1.0.0.yaml index 388fc2c620c0..df9578bcac89 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.= 0.0.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.= 0.0.yaml @@ -109,6 +109,8 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 description: Specifies how many external interrupts are supported by this control= ler. + Note that source 0 is reserved in PLIC, so the valid interrupt sourc= es + are 1 to riscv,ndev inclusive. =20 clocks: true =20 --=20 2.51.0