From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=178.251.229.89 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793853655; b=L4Pum+kYW49MrHJUydPVqlsw0HFiy0R8/hF4vJD8HAv1i7ezePvqa+7rhUhiruz1l+6x L/m0INIbvjqrvHaPt/lKVQSpXqA994lxy4ced0+0ghrxFbmnd1VCHo6HUxjBnIec7Mws1 hBrfA9g53DWtJ0cfEmOhNIUWwHg9IlddnbwD/QiL0gUojcWQfcaBVL7OM8clWE8bT77FN nAB137GZOOL7k51d9dy99tvhamBSAqg25vICRNon/m3WzeSyUWba5nflolIuknC7RaIKw 2qSjQXARWo2o94X2/jPrNdXHLckspiq/y4B33KgHMi4wnvgaK4mO7ejHlXFZO7maHsQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793853655; h=DMARC-Filter:Received:DKIM-Signature:Message-ID:Date:MIME-Version: User-Agent:Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-Last-TLS-Session-Version; bh=CBeoOPO8dQa32q5FSGLVAtCrcM+vnK3M9abEc4Baae0=; b=0QljsOdqTNDNm2PY0PLUx7jPJGoH+qkzlmcokE1TYkWKzN2GDVSHBe8H3+QBC2dwBx3K X/ET1Dy55/b2tXh31FRj4dz89d2x3vjJGYIf9ViTEj35BmDG4uDGn0EZkKVNLSVPHMzL/ PGFQT6jvkrSZkGmQGCcHB9rNXPUnFOQLgaEsJsStKgmW3Wa3YoM2QNF3xgzm04VzdIIs9 CnkTyB5NoygWy4kJvHMe4e9uP3nxW4MaPC1eeq55122J6YzDS6r8coHgUrJntQmPcuKsh sk8Ti6rc7YHBjUKFofHMOdm4PoJ5uyqaCg3sZV3Msx5fuDIadLO3eFomuZ4c6AoqIjg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=nabladev.com; spf=pass smtp.mailfrom=nabladev.com; dkim=pass header.d=nabladev.com header.i=@nabladev.com header.a=rsa-sha256 header.s=dkim header.b=A1fBFSva; arc=none smtp.remote-ip=178.251.229.89 Received: from mx.nabladev.com (mx.nabladev.com [178.251.229.89]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 49F92606A326; Thu, 5 Nov 2026 04:40:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 49F92606A326 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nabladev.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=nabladev.com header.i=@nabladev.com header.a=rsa-sha256 header.s=dkim header.b=A1fBFSva Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 2AD9C10CB4D; Thu, 05 Nov 2026 05:40:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1793853644; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references; bh=CBeoOPO8dQa32q5FSGLVAtCrcM+vnK3M9abEc4Baae0=; b=A1fBFSvaKLE0DyT+bxS1Ujpzu4d+5B4Pt4QckCyU1hiNxg0Jlp7tALCny2Hy9XMx1Atdr0 AMZat10bqhdZlicSBgsTSXKcMGZTSVecu1xe7J2uPjIQ9oVFzuxPHJWRycEM7TyjHPJrhQ +Bsf2Xqv6bA5mEumyAriNrD6ptMOrg7DCpqY5nggDXyJH6lwZZHj8J0DlFHSctrhkhSgtR AKGznxomoYij6awZBUeXzl//bo/HJIYvZTtb6cTU0OmDJg1Alpv4h/h4r81DPCs+fzIZoh rhoVpOJxdYZ08MB3iGEI4Th/AplO0vttGwdTydwuS2Fg/1LOb/0UVLh8Oqlmcg== Message-ID: <14f72896-3c52-45ad-9832-6f33cb4d8c00@nabladev.com> Date: Wed, 4 Nov 2026 17:47:09 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 1/3] dt-bindings: watchdog: arm-smc-wdt: allow a list of SMC ids To: Mateusz Nowicki , Wim Van Sebroeck , Guenter Roeck , linux-watchdog@vger.kernel.org Cc: Julius Werner , Evan Benn , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Antonio Borneo , devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20261104161553.30115-1-mateusz.nowicki@posteo.net> <20261104161553.30115-2-mateusz.nowicki@posteo.net> Content-Language: en-US From: Marek Vasut In-Reply-To: <20261104161553.30115-2-mateusz.nowicki@posteo.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Last-TLS-Session-Version: TLSv1.3 On 11/4/26 5:16 PM, Mateusz Nowicki wrote: > The SMC function id of the watchdog service is not discoverable and > differs between firmware versions for the same SoC. Let arm,smc-id hold > a list of ids that the driver tries in order, so a SoC dtsi can name > every id used by firmware for that SoC. A single id stays valid. > > Signed-off-by: Mateusz Nowicki > --- > .../devicetree/bindings/watchdog/arm-smc-wdt.yaml | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml b/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml > index 8e9d0b7e8244..9844b23ef51c 100644 > --- a/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml > +++ b/Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml > @@ -18,9 +18,14 @@ properties: > - arm,smc-wdt > > arm,smc-id: > - $ref: /schemas/types.yaml#/definitions/uint32 > + $ref: /schemas/types.yaml#/definitions/uint32-array > + minItems: 1 > + maxItems: 4 maxItems: 2 ?