From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f49.google.com (mail-ot1-f49.google.com [209.85.210.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9235372B59 for ; Tue, 17 Feb 2026 18:01:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771351281; cv=none; b=DyUwGiagiZhLBW3Abg2wA26P99hmIvzl/M7N5+4pGRnLTJTaZxlyIOUVPs/rxexpYOtVPRGzE1PlCFaVJLec4unUHtEPvXfF3EwHodJzSlCoKzY2AEycKls9Y1efRE59bSaPqG3Ht86tGOZ15V0bDdfo4eI2eX4kxo9yPWCgp0I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771351281; c=relaxed/simple; bh=yo7VpR7y2IWG6CuidAdMoCeu5zTOZrbNb5c7C6ANnvQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hEiOGFwl6gVKl8lJmhV7UbP5DYi6DaZqm85jEWCLdrzHHwdSiMHddE67BLgUompuoekamFiKPJmkwJ+GX3tDXey8E27oicQFRbS7PWVRNDzBTGuLAEi8pp5cnZkNdmNHE9nQOSYohEAMTZHJzo25lV3Z1J0wyY/76Hjwt5whu4w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ieee.org; spf=pass smtp.mailfrom=ieee.org; dkim=pass (1024-bit key) header.d=ieee.org header.i=@ieee.org header.b=fNWPonfh; arc=none smtp.client-ip=209.85.210.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ieee.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ieee.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ieee.org header.i=@ieee.org header.b="fNWPonfh" Received: by mail-ot1-f49.google.com with SMTP id 46e09a7af769-7d1890f7ee4so2657171a34.0 for ; Tue, 17 Feb 2026 10:01:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ieee.org; s=google; t=1771351278; x=1771956078; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=D7kdTF2Cckub7dO3x1Hq31N4AgYFSFS+VW8IKBBKDHI=; b=fNWPonfhTbwPC0obmOgax4GPc8OzoshhngF0ukfvZPG7NtMG45n++27OEsMXzA86PW jKJg42kAvnpAmvsXHsBmV7t7H1JOTgXxi6ViriMkjjE+5M2eJvsW6Vf99WYwHGC1el55 FdbJx5GO/hA8qhzBEP8YCez4hL1bFae6u0ApQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771351278; x=1771956078; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=D7kdTF2Cckub7dO3x1Hq31N4AgYFSFS+VW8IKBBKDHI=; b=PoSXPJls4Szpd/vMMuibsnuVgyPPnUxXGz73/5mWtpPF1cJMKUxrQg9EBOKN6dDzK8 5HnxEC3hC9WlHJAUYIvjfo4XivTh49mLwrextt0478ubQat/poVGZcr4Sq2wpGUn0D4g vi9ihm/XI5Ovd4vZrqt879guAbOKwfqaqbf2y6kr8P4x0XTrLH7PSSbL8NJCl7WQb3Rq hHdUyo1BXZQsTypBQ8d3n+69IdiNeDC6PTem1fmiwoKAdTwuKMxpERrSSRCc8iV97Sva KmprBZBfWPLlhum5o0rGClYruldDVTdg6hBA8KUuNVJw8W9dYeQ/4EJipsfor7BkQ6A0 BaTw== X-Forwarded-Encrypted: i=1; AJvYcCU1p0BafA/McKln8l0OpcTGcEXDdoxKi5BA0rvmgCJ8O66C8X3spWnIGcy3ed/n7iP/6Lr5VaD45F+QNRmA@vger.kernel.org X-Gm-Message-State: AOJu0Yx1XdVQQtc1MkRIZ8VhIi/2/JJE4rVlodH574KhvC9hFxngGrWf KBpCRh5oz9hca2b3x9UVofvtSHo8sLPTzrtxzyqPQ/06CyuV1Fuw4i36Y/3PaAbghQ== X-Gm-Gg: AZuq6aIFwqQH7LXvhofTK2NxrKLGH93nEfA+05TlZaFWUkZzk3Nc3vupOGlEgA/MA2V KNmhI/GNUG7x1o3uiWg2C2+40xgQfRf/bv1Pe0xxMGM33Vu7FPbU0Lm5G8j1xS2anM9VXboryEi bBUqEW4CdPdeYXORGlPVwGWO48jW9z4Uu3HTC2BxSZncU1dMUgXTK2ceqLAWH1Jc2+gyR8ZIr9B jOUOPS58Ntkk+qC4bE5auvqem/NyFziqR3e6/QGGR/SEXU8KpYP3g3/0UiSi34UsTSkKJGrW9MM TmNmK1PorC2IGHxAXgI8aAMhqLhSLLXfupzppoeUQcHDrrscyx7W4Ahc53ZVihBn9ryFA0uPgdI hfbUHGD9nB2ZkeRDhwdlzyT05sck7+Yogh5hTG17FecJDxLZgB6RQJe99/U3YX6AfsDX6gWGDgd fX1egZkv7KZs5pLK6wBgbhgvu7E2HaWagCIxGTZTxKUBniDRAv2mlrwCOZAqC0puNnzZA8 X-Received: by 2002:a05:6830:348a:b0:7bc:f443:fa3c with SMTP id 46e09a7af769-7d4c31c488emr8662896a34.25.1771351277518; Tue, 17 Feb 2026 10:01:17 -0800 (PST) Received: from [172.22.22.28] (c-75-72-117-212.hsd1.mn.comcast.net. [75.72.117.212]) by smtp.googlemail.com with ESMTPSA id 46e09a7af769-7d4a771bcebsm16698857a34.25.2026.02.17.10.01.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Feb 2026 10:01:16 -0800 (PST) Message-ID: <6160ac44-dba3-400c-96cf-ec03393cc141@ieee.org> Date: Tue, 17 Feb 2026 12:01:14 -0600 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v3 1/3] dt-bindings: sram: qcom,imem: Allow modem-tables subnode To: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alex Elder Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Konrad Dybcio References: <20260217-topic-ipa_imem-v3-0-d6d8ed1dfb67@oss.qualcomm.com> <20260217-topic-ipa_imem-v3-1-d6d8ed1dfb67@oss.qualcomm.com> Content-Language: en-US From: Alex Elder In-Reply-To: <20260217-topic-ipa_imem-v3-1-d6d8ed1dfb67@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/17/26 7:30 AM, Konrad Dybcio wrote: > From: Konrad Dybcio > > The IP Accelerator hardware/firmware owns a sizeable region within the > IMEM, named 'modem-tables', containing various packet processing > configuration data. > > It's not actually accessed by the OS, although we have to IOMMU-map it > with the IPA device, so that presumably the firmware can act upon it. > > Allow it as a subnode of IMEM. OK so you'll define a "modem-tables@" property in the SRAM node, whose phandle will then be referred to by the "sram" property in the IPA node. That sounds good to me. Thanks Konrad. Reviewed-by: Alex Elder > > Signed-off-by: Konrad Dybcio > --- > Documentation/devicetree/bindings/sram/qcom,imem.yaml | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml > index 6a627c57ae2f..c63026904061 100644 > --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml > +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml > @@ -67,6 +67,20 @@ properties: > $ref: /schemas/power/reset/syscon-reboot-mode.yaml# > > patternProperties: > + "^modem-tables@[0-9a-f]+$": > + type: object > + description: > + Region containing packet processing configuration for the IP Accelerator. > + > + properties: > + reg: > + maxItems: 1 > + > + required: > + - reg > + > + additionalProperties: false > + > "^pil-reloc@[0-9a-f]+$": > $ref: /schemas/remoteproc/qcom,pil-info.yaml# > description: Peripheral image loader relocation region >