From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.216.51 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793642562; b=iFDgP6hSeg1bTMgvkAioKnFC2+jgctN2t6JWI2zvORYwYsXqlwYc+2papsmt2AF8hPkh nM34AMQ343zkjOtDLOFEy4ncBZYoH0w16iPjh0F77//PGIH7/27OfuUmlwjtKBxf6IW5r HBVptgQzAkeJdNMLzRd5mgme3COvrszsIWW0Wjr7jg3TDiFjxjnHNvG2nvQa93rVOo5Nc WXOdzbu3Q5GeTnGqVezReeORRgrh37qfHYB6StMXrjkZY/hOoPBrX6Y5Lh7D3IRF6VWFY qjHgS6X8FrUXYaG0nUfgXD4isbIEfbt2w7vcK6xl0EavsDcScTNdH/0ohpLtijkVPBQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793642562; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; bh=wjUwlJYpmWg4mChaZqQtsUzChcNIv0kOIN66bk7+k2A=; b=4oHI9uwRUvu1GD+6J6/dUCV/LZxLP0mpm+cNK5qxvPL2MNVKx4Iqhcm7JtLhLy6/r2rT SCU51A9IJWg9SYW4dd0vzlhKab18bZxreHsxSbU09MjZuHguJdZ9RwjZmRCGdEKw4BYzZ 63rvJh6BCZ05XgUNuXRfjSrpuD770vcRQEerxnQK9UpB7tSDz45tge+k/+Wrz1TrynEd8 mhiLbj/Q/gd3RvdDru4Fv3FD+1GCkKzh6n46Vk+xkFxdp3cO7hC7NnsVaGUOEeoub3h0H 343WShPaWw0MgGgaAj+Y6SUfDuG1lbojCAavYDH/vkjWnCq6umBMRAz5Fh06z/ZK27w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=a5fU4Xwv; arc=none smtp.remote-ip=209.85.216.51 Received: from mail-pj1-f51.google.com (mail-pj1-f51.google.com [209.85.216.51]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 174A9606A324 for ; Mon, 2 Nov 2026 18:02:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 174A9606A324 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=a5fU4Xwv Received: by mail-pj1-f51.google.com with SMTP id 98e67ed59e1d1-3ac9f49b984so1886403a91.1 for ; Mon, 02 Nov 2026 10:02:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1793642560; x=1794247360; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=wjUwlJYpmWg4mChaZqQtsUzChcNIv0kOIN66bk7+k2A=; b=a5fU4XwvqBLEQVWzBtl7sWweokwZDlqumDIzuIDOPqp/EpN8QxsLcw/2stAEbMJHoM 9m/31vH3SXCIvnf/jEUORyKJC0mA/Q+8tl0gNL9YahNEbTzgqkK4Qvo/JCdvl0klmt6q o+Rab2FxonaCOuLjgcCS9uK2ZoSFW/sjZ2ylCE7Y/dwkqar0ITzSYpF7BdRiXZl4sTrk x2RAekBWDLY/Ku69bIdlTsovVoZYOMxYkMEMqcO3s4FI8xocnu3DenkAoEzg4ptGNlO/ xgfo+VafHlh0bNsBYEorT6CrATOOmmtxeXISLe82bCIfcA7aSQ5tazSl88sbvy9cVVMR K22Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793642560; x=1794247360; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=wjUwlJYpmWg4mChaZqQtsUzChcNIv0kOIN66bk7+k2A=; b=RPTjow7tkWqYDPDrupUp+d9wjDePXddMz3n1apfF3wvVsROThp5Zj8qAdXwpSIdfYp ec+DUTzGz8m5V8qwwFlEGyth/0ERu9DB2444lkltMDdwxszMzdYktj78VeYj1EGlasrL voqOAN8Iv+8HH0sFiNBq1xRxWaqYvQXNG7jKEhw22mTo3uaBus75HALu6Bn0ZGRQxXZf WGAS5CT6zFrW7RgyXXSkYek3Q5M3E/k/mszHzHM4PesSG2lN3oPBNTwNNUf4LJLUR//o ep9ZC95oqyHAGaIcXzackNIqtKfVrqYYLZ+OmIN6Jt9doHx55c/9nEKfdU4LF/Al2Zg3 EOqQ== X-Forwarded-Encrypted: i=1; AKwUvByM/UEIuqF85NFmopyIv59yIxtD8uYSDEuvJDEn54wgGILjPLLDc1xvhF0yh9HWxIp0OMDoEJ+mjktn@vger.kernel.org X-Gm-Message-State: APuU4Z9zfEfRsfzQvUkBKQmOm6iV8BGtIy+pRGj2KlvapClShhBbu7DE jnc2ivnpYgLCoch2JRqqI7yMxGXiy9qEmrHFHY0X6cLVlYonGEVbUkE8YhyDa3YzQTc= X-Gm-Gg: AYBFou1I/f18KCMkKYrJhGET9lDI4FyyJlS2nmQf5elEFUO2PwTv+PAR0pAANGrcJeP VtKP82qzOnLKlyiiZSejoKQcDUAqLOca4zD76ziMBYEBhv8SsDQgAGrdUa98N5YasntylpjlvZ8 UifrWV+ooQwmfdrfmTN/y9gBcfflo133Y8SgniSR2N4Tanv4gqZPYHpqjijL0SYYwD9e3USj6YL O1gm9L7iuI1eO+PEfek0mwtePFzBLNEeGN+qWjGuSGjdMUsuumTavagpXl0UIsErvjpC9DrZhDw q+7FO9SEYb2GdXXerFsaBNx9MTIoeQOO32dgufIfkjiyvJkGD5JvHv8oK1dp+vT5vOK7tgKscv3 0/0OhLvX8eIinvo7oZcpAFtfSuk0Avpx3ga5X1Tm5NAhDQjBqv3SWepf27thCClskd6uavHniRM +ye8gbaXA1kgkCI2BxBvplHSVO12kxyy4HcUTLaJtt1LEq1s4ibWi2HJsvWPORz+JHjV7DLu7qC kmhC90X/FsOoDyRn7uVpbaOWePOjyYaQc/e/uiiCVt0PD9BKyr+NKwgNef77erK2tS83rvVl5kz SyppWAayyGFE/obUndEoViY6zxYC++o= X-Received: by 2002:a17:90b:53c7:b0:3aa:412f:b0a7 with SMTP id 98e67ed59e1d1-3ae89559e5emr5539384a91.5.1793642558875; Mon, 02 Nov 2026 10:02:38 -0800 (PST) Received: from p14s ([2604:3d09:148c:c800:810a:982d:b93e:e497]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ae85f37e7esm8969537a91.1.2026.11.02.10.02.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 10:02:38 -0800 (PST) Date: Mon, 2 Nov 2026 12:02:35 -0600 From: Mathieu Poirier To: Frank.Li@oss.nxp.com Cc: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Laurentiu Mihalcea , Frank Li , Francesco Valla Subject: Re: [PATCH v9 0/2] remoteproc: imx_rpoc: use memory-region-names to avoid implicit ABI. Message-ID: References: <20261023-memory-region-name-v9-0-ad597887dfe9@nxp.com> X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261023-memory-region-name-v9-0-ad597887dfe9@nxp.com> On Fri, Oct 23, 2026 at 03:52:48PM -0400, Frank.Li@oss.nxp.com wrote: > The driver currently derives the memory region type from the referenced > memory node name, creating a implicit DT ABI. > > rsc_table: rsc-table@90000000 > ^^^^^^^^ > { ret = <0x90000000>; > no-map; > } > > m4 { > ... > memory-region = <&rsc_table>; > } > > Current require node name have to be rsc-table, but no any binding doc > to restrict it. > > Since memory node names are not constrained by the binding, incorrect names > can silently pass DT validation, as seen in examples using "vdevbuffer" > instead of "vdev0buffer" ([1] and [2]). > > Add optional memory-region-names property to define such ABI. To keep > back compactiblity, use "optional". > Applied. Thanks, Mathieu > Link: https://lore.kernel.org/imx/a3602ef8-2b77-4cc3-adef-2c4cba08a5d9@nabladev.com/ [1] > Link: https://lore.kernel.org/imx/alexXTYQHUs76J7v@SMW015318/T/#mb9dc709ff3adc24d9db6d30c973f37b580f6f1f9 [2] > > Prevous version > https://lore.kernel.org/imx/ail0sH1UhnQBPRkr@SMW015318/ > > --- > Changes in v9: > - s/hidden/implicit/g, sorry, missed at v8 > - Link to v8: https://patch.msgid.link/20261022-memory-region-name-v8-0-ce5ce514a550@nxp.com > > Changes in v8: > - remove dev_warning > - remove dts patches > - Link to v7: https://patch.msgid.link/20261020-memory-region-name-v7-0-1413d5928340@nxp.com > > Changes in v7: > - move imx_rproc_rmem_to_resource() close to caller > - collect Francesco and peng fan's review tag > - Link to v6: https://patch.msgid.link/20261019-memory-region-name-v6-0-2e46b2e7d667@nxp.com > > Changes in v6: > - collect rob's review-by tags for binding > - move imx_rproc_rmem_to_resource to c file > - dts move related memory region node into overlay file > - Link to v5: https://patch.msgid.link/20261015-memory-region-name-v5-0-abc358b39a96@nxp.com > > Changes in v5: > - fix binding region-memory-names's pattern > - add vdev1vring0 and vdev1vring1 at dts > - collect pan peng's review by tags > - Link to v4: https://patch.msgid.link/20260917-memory-region-name-v4-0-260755920ebf@nxp.com > > Change in v3 > - rephrase commit message and cover letter to correct descritpion and > reasons. > > To: Bjorn Andersson > To: Mathieu Poirier > To: Rob Herring > To: Krzysztof Kozlowski > To: Conor Dooley > To: Sascha Hauer > To: Pengutronix Kernel Team > To: Fabio Estevam > To: Peng Fan > Cc: linux-remoteproc@vger.kernel.org > Cc: devicetree@vger.kernel.org > Cc: imx@lists.linux.dev > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Cc: Laurentiu Mihalcea > Signed-off-by: Frank Li > > --- > Laurentiu Mihalcea (2): > dt-bindings: remoteproc: imx_rproc: document memory-region-names to avoid implicit ABI > remoteproc: imx_rpoc: use memory-region-names to avoid implicit ABI > > .../bindings/remoteproc/fsl,imx-rproc.yaml | 11 ++++++++ > drivers/remoteproc/imx_rproc.c | 29 ++++++++++++++++++++-- > 2 files changed, 38 insertions(+), 2 deletions(-) > --- > base-commit: d419d682257d813f6cb7a28e42b35d0edf4ad038 > change-id: 20260915-memory-region-name-f950eea2b78d > > Best regards, > -- > Frank Li >