From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 09D41C61DFD for ; Wed, 2 Sep 2026 06:20:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1x1eK3-0003S7-Cl; Wed, 02 Sep 2026 02:19:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1x1eK1-0003Pj-Bf for qemu-devel@nongnu.org; Wed, 02 Sep 2026 02:19:45 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1x1eJy-0003vd-VE for qemu-devel@nongnu.org; Wed, 02 Sep 2026 02:19:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1788329982; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=6biqEbcDa7X3Z98ML6y5if3i6z9ExPKHu+bQwUjcI9Y=; b=iENAoAdrSAwgdMMB3CNbJSImaX9d4GodWJF3Q+f8czxs0WgKDJrM/cq9nfo2urytC9i8t1 yThvfIHEEB0ac8wrZAgU1nyrdVNc3QotIcvenqgs33j0kp8OVDmIlc3Y1kE44YJBdldOh3 pUq1bWaEWPOOeNsJUCqGZDEYcpXzJ/o= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-653-wWsc8YnGMvqHwXBixnSImg-1; Wed, 02 Sept 2026 02:19:40 -0400 X-MC-Unique: wWsc8YnGMvqHwXBixnSImg-1 X-Mimecast-MFC-AGG-ID: wWsc8YnGMvqHwXBixnSImg_1788329980 Received: by mail-wm1-f69.google.com with SMTP id 5b1f17b1804b1-49b7c1dc61eso5206075e9.3 for ; Tue, 01 Sep 2026 23:19:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1788329980; x=1788934780; darn=nongnu.org; h=content-transfer-encoding:content-type:in-reply-to:autocrypt :content-language:from:references:cc:to:subject:user-agent :mime-version:date:message-id:from:to:cc:subject:date:message-id :reply-to:content-type; bh=6biqEbcDa7X3Z98ML6y5if3i6z9ExPKHu+bQwUjcI9Y=; b=Hw11f2JUN2EJFQzSPFBq1BZqEX1AOLaPvBedYhaPx2BxvcgWVrMDkEsuNGrmp/Xm58 wuB4Edfc9T7lL6sxrnV9uyapLTmueb1IrcBt8Y5x6G6fiv9CqybZ7art4K5Jnu7eSGlV 3MzyqhLu/nVmS2iTq8YJDgj/DrE7lqCRcUxepBiOkpVg2b+z44NgEObpIKjXIuN6fScY ukjwDhR8Z4bo8FtZIDPabrey8c7Hj+9YxuTicjD7aRNCBPH1EcAmW95K0D8/qNSEVFL0 v3rtpE8aoiW4n8dDgo5KoVGjiNxrp5OOzfhML25WzZFitZhwkBaCA3VuZguLL/0CWhsk jLtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788329980; x=1788934780; h=content-transfer-encoding:content-type:in-reply-to:autocrypt :content-language:from: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:content-type; bh=6biqEbcDa7X3Z98ML6y5if3i6z9ExPKHu+bQwUjcI9Y=; b=DZxUMBFBpP11/0qwh4jC2i++I3YXVokmb8duoNDuxHeMM2nbDyGBCMLqAe64Q3zTr4 dRBdznYxIRt6uMiHypALZ8RBHl7umDcXunxIVHcrl133EzFKopC+OqV55YfIxtrZov+x aBqSFiYf3qF64YQzOcampZOyyecog0W4JpzXLHlCy/ox0QkIixbUR1Fm4ADjZVbisOsy c9PnHMs9LVaJ+H98b/QUvjqswak0Ldimmjgn40YX8GxC1Fm2CwG9QRnIC3KOVcCcKYFO amf8caHUfcPP4OBs+9sAH7MR40T9Nf6aeHvsFxWVJGLcC5PEtBBqewgmh9cVautP2bw0 4FuA== X-Forwarded-Encrypted: i=1; AHgh+RpWC/JjNVyD+tezNJpUjXAhkBVPNeCWuPAYx7c+0COI5WVE6dcrGWog7Q3FFwWymm5y4W1HNu0akcrg@nongnu.org X-Gm-Message-State: AFuF++nXJ4fdhCVP7bKgRWyRs4uPQcAHl/CAZexbAbufxh1Feu7UIf9B wIgI45aQFWORyLE5/vXQdsubiWShVBQrhpwC2hGi1N+1wm7ZR3OkQKhbn0g2Y4t7CUKIMF+P8SL o219237fRrHPtlw2r0rl6nFHYByTQe/5L849CAQFGmJKX5t56p9A4zuXC X-Gm-Gg: AR+sD11p1MnCWVP2o3z8ZpsghiX1dKGpAvgOW1UvcReRTFm7nU4vmN2n2RogoVBIOHL 6i8rrdKxMwLPqnkV0zbp6/uImeLY3CGMHUW5j2E9Tj3DUG9nQtPBF3f58ObtFkKS19GzqMPqxf6 KLgKKcfVJb39t0uWaYFgJm2YetddpciM9SxeZNDrvW37G2DA2Mq7wKQ6SgJB74YUuL46FR7eK02 QyM9OkRkfssJSFgkCBaJ/+nxKaIW13sLRC4ZYaoptgJMVWgJuzdHhvaa499lnTrK8XjlEY2wHdx sgjXGKjC+gqyxHEFiZwJQ8g3yoB7wTDCqzOZs6uIKq99rS7UbVxD5EvuwhpsoNq1jUzQ6BIR5MD 091dMMEAWdHjw5FvUdReER7YIP1FhVDGWg5e7O8E= X-Received: by 2002:a05:600c:3b07:b0:496:bffb:fb7b with SMTP id 5b1f17b1804b1-49ce5823706mr35591985e9.10.1788329979398; Tue, 01 Sep 2026 23:19:39 -0700 (PDT) X-Received: by 2002:a05:600c:3b07:b0:496:bffb:fb7b with SMTP id 5b1f17b1804b1-49ce5823706mr35591165e9.10.1788329978878; Tue, 01 Sep 2026 23:19:38 -0700 (PDT) Received: from ?IPV6:2a01:e0a:280:24f0:2cd2:7ace:8238:f7f4? ([2a01:e0a:280:24f0:2cd2:7ace:8238:f7f4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49ce5927b68sm30928415e9.1.2026.09.01.23.19.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Sep 2026 23:19:38 -0700 (PDT) Message-ID: Date: Wed, 2 Sep 2026 08:19:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 00/25] hw/arm: Facebook SanMiguel BMC and TMP75-family sensors To: Emmanuel Blot , qemu-devel@nongnu.org Cc: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , Peter Maydell , Steven Lee , Jamin Lin , Kane Chen , Andrew Jeffery , Joel Stanley , qemu-arm@nongnu.org, Fabiano Rosas , Laurent Vivier , Paolo Bonzini , Thomas Huth , =?UTF-8?Q?Daniel_P=2E_Berrang=C3=A9?= , Emmanuel Blot , Markus Armbruster References: <20260731-sanmiguel-bmc-locator-v2-0-1266926ba769@free.fr> From: =?UTF-8?Q?C=C3=A9dric_Le_Goater?= Content-Language: en-US, fr Autocrypt: addr=clg@redhat.com; keydata= xsFNBFu8o3UBEADP+oJVJaWm5vzZa/iLgpBAuzxSmNYhURZH+guITvSySk30YWfLYGBWQgeo 8NzNXBY3cH7JX3/a0jzmhDc0U61qFxVgrPqs1PQOjp7yRSFuDAnjtRqNvWkvlnRWLFq4+U5t yzYe4SFMjFb6Oc0xkQmaK2flmiJNnnxPttYwKBPd98WfXMmjwAv7QfwW+OL3VlTPADgzkcqj 53bfZ4VblAQrq6Ctbtu7JuUGAxSIL3XqeQlAwwLTfFGrmpY7MroE7n9Rl+hy/kuIrb/TO8n0 ZxYXvvhT7OmRKvbYuc5Jze6o7op/bJHlufY+AquYQ4dPxjPPVUT/DLiUYJ3oVBWFYNbzfOrV RxEwNuRbycttMiZWxgflsQoHF06q/2l4ttS3zsV4TDZudMq0TbCH/uJFPFsbHUN91qwwaN/+ gy1j7o6aWMz+Ib3O9dK2M/j/O/Ube95mdCqN4N/uSnDlca3YDEWrV9jO1mUS/ndOkjxa34ia 70FjwiSQAsyIwqbRO3CGmiOJqDa9qNvd2TJgAaS2WCw/TlBALjVQ7AyoPEoBPj31K74Wc4GS Rm+FSch32ei61yFu6ACdZ12i5Edt+To+hkElzjt6db/UgRUeKfzlMB7PodK7o8NBD8outJGS tsL2GRX24QvvBuusJdMiLGpNz3uqyqwzC5w0Fd34E6G94806fwARAQABzSJDw6lkcmljIExl IEdvYXRlciA8Y2xnQHJlZGhhdC5jb20+wsGRBBMBCAA7FiEEoPZlSPBIlev+awtgUaNDx8/7 7KEFAmTLlVECGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgkQUaNDx8/77KG0eg// S0zIzTcxkrwJ/9XgdcvVTnXLVF9V4/tZPfB7sCp8rpDCEseU6O0TkOVFoGWM39sEMiQBSvyY lHrP7p7E/JYQNNLh441MfaX8RJ5Ul3btluLapm8oHp/vbHKV2IhLcpNCfAqaQKdfk8yazYhh EdxTBlzxPcu+78uE5fF4wusmtutK0JG0sAgq0mHFZX7qKG6LIbdLdaQalZ8CCFMKUhLptW71 xe+aNrn7hScBoOj2kTDRgf9CE7svmjGToJzUxgeh9mIkxAxTu7XU+8lmL28j2L5uNuDOq9vl hM30OT+pfHmyPLtLK8+GXfFDxjea5hZLF+2yolE/ATQFt9AmOmXC+YayrcO2ZvdnKExZS1o8 VUKpZgRnkwMUUReaF/mTauRQGLuS4lDcI4DrARPyLGNbvYlpmJWnGRWCDguQ/LBPpbG7djoy k3NlvoeA757c4DgCzggViqLm0Bae320qEc6z9o0X0ePqSU2f7vcuWN49Uhox5kM5L86DzjEQ RHXndoJkeL8LmHx8DM+kx4aZt0zVfCHwmKTkSTQoAQakLpLte7tWXIio9ZKhUGPv/eHxXEoS 0rOOAZ6np1U/xNR82QbF9qr9TrTVI3GtVe7Vxmff+qoSAxJiZQCo5kt0YlWwti2fFI4xvkOi V7lyhOA3+/3oRKpZYQ86Frlo61HU3r6d9wzOwU0EW7yjdQEQALyDNNMw/08/fsyWEWjfqVhW pOOrX2h+z4q0lOHkjxi/FRIRLfXeZjFfNQNLSoL8j1y2rQOs1j1g+NV3K5hrZYYcMs0xhmrZ KXAHjjDx7FW3sG3jcGjFW5Xk4olTrZwFsZVUcP8XZlArLmkAX3UyrrXEWPSBJCXxDIW1hzwp bV/nVbo/K9XBptT/wPd+RPiOTIIRptjypGY+S23HYBDND3mtfTz/uY0Jytaio9GETj+fFis6 TxFjjbZNUxKpwftu/4RimZ7qL+uM1rG1lLWc9SPtFxRQ8uLvLOUFB1AqHixBcx7LIXSKZEFU CSLB2AE4wXQkJbApye48qnZ09zc929df5gU6hjgqV9Gk1rIfHxvTsYltA1jWalySEScmr0iS YBZjw8Nbd7SxeomAxzBv2l1Fk8fPzR7M616dtb3Z3HLjyvwAwxtfGD7VnvINPbzyibbe9c6g LxYCr23c2Ry0UfFXh6UKD83d5ybqnXrEJ5n/t1+TLGCYGzF2erVYGkQrReJe8Mld3iGVldB7 JhuAU1+d88NS3aBpNF6TbGXqlXGF6Yua6n1cOY2Yb4lO/mDKgjXd3aviqlwVlodC8AwI0Sdu jWryzL5/AGEU2sIDQCHuv1QgzmKwhE58d475KdVX/3Vt5I9kTXpvEpfW18TjlFkdHGESM/Jx IqVsqvhAJkalABEBAAHCwV8EGAECAAkFAlu8o3UCGwwACgkQUaNDx8/77KEhwg//WqVopd5k 8hQb9VVdk6RQOCTfo6wHhEqgjbXQGlaxKHoXywEQBi8eULbeMQf5l4+tHJWBxswQ93IHBQjK yKyNr4FXseUI5O20XVNYDJZUrhA4yn0e/Af0IX25d94HXQ5sMTWr1qlSK6Zu79lbH3R57w9j hQm9emQEp785ui3A5U2Lqp6nWYWXz0eUZ0Tad2zC71Gg9VazU9MXyWn749s0nXbVLcLS0yop s302Gf3ZmtgfXTX/W+M25hiVRRKCH88yr6it+OMJBUndQVAA/fE9hYom6t/zqA248j0QAV/p LHH3hSirE1mv+7jpQnhMvatrwUpeXrOiEw1nHzWCqOJUZ4SY+HmGFW0YirWV2mYKoaGO2YBU wYF7O9TI3GEEgRMBIRT98fHa0NPwtlTktVISl73LpgVscdW8yg9Gc82oe8FzU1uHjU8b10lU XOMHpqDDEV9//r4ZhkKZ9C4O+YZcTFu+mvAY3GlqivBNkmYsHYSlFsbxc37E1HpTEaSWsGfA HQoPn9qrDJgsgcbBVc1gkUT6hnxShKPp4PlsZVMNjvPAnr5TEBgHkk54HQRhhwcYv1T2QumQ izDiU6iOrUzBThaMhZO3i927SG2DwWDVzZltKrCMD1aMPvb3NU8FOYRhNmIFR3fcalYr+9gD uVKe8BVz4atMOoktmt0GWTOC8P4= In-Reply-To: <20260731-sanmiguel-bmc-locator-v2-0-1266926ba769@free.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 7/31/26 12:44, Emmanuel Blot wrote: > This series adds the Facebook SanMiguel BMC, promotes the > TMP75/TMP175/LM75B sensors from generic TMP105 stand-ins to improved, > dedicated models, and introduces the test-side plumbing needed to > exercise real I2C devices from functional tests without hardcoding QOM > paths. > > The work falls into four parts. > > 1. TMP* sensor models > > The TMP105 model was the only stand-in for a whole family of pin- and > register-compatible parts, and several boards worked around the gap with > private TYPE_TMP75 / TYPE_LM75 aliases that resolved back to a plain > TMP105. > > The model is first cleaned up for correctness and QEMU convention. One > of those changes touches migrated state, which gains an optional > subsection so existing streams stay compatible. > > On that base, TMP75/TMP175/LM75B become variants selected by a small > per-type class descriptor. The variant is class data, so the wire format > is unchanged and all variants share the existing vmstate. qtest coverage > is added for the per-variant behaviour. The existing BMC boards then > drop their local aliases and instantiate the real models. > > 2. SanMiguel BMC > > A new AST2600-based machine for the Facebook SanMiguel BMC, derived from > its device tree. It wires up three TMP75 sensors, IO expanders, FRU > EEPROMs, an I2C mux and an RTC across its I2C buses, and provides its > RAM, flash and networking; the FRU EEPROMs are populated with data read > from physical hardware. A functional test boots the OpenBMC image and > drives each sensor over QOM, checking the guest hwmon interface reports > the injected value back. > > 3. Python device locator > > A QOM path names a device by its position under the object that owns it, > in enumeration order — it says nothing about where the device sits in > the bus topology. From a QOM path alone it is impossible to tell where a > device is actually connected or what purpose it serves. > > DeviceLocator is a pure-Python helper that resolves a device from a > string descriptor of its position — bus, address, type, on-bus index — > by walking the bus/device hierarchy. It uses only standard QOM queries > over QMP: no new QEMU commands, no model changes. A self-check exercises > the grammar and its error paths against a paused SanMiguel BMC; it needs > no disk image and runs in about a second. > > Note: the helper adopts the 3.10 type-hint syntax rather than the 3.9 > equivalents; 3.9 reached end of life on 2025-10-31. The import is > guarded so the module still loads on 3.9 and dependent tests skip there. > > Two small test-framework fixes ride along: the set_machine probe VM now > gets the per-test workdir instead of the hardcoded /var/tmp default, and > the Aspeed OpenBMC helper can optionally assert the booted device-tree > model. > > 4. Catalina follow-ups > > The final three commits are the tail of the earlier "hw/arm: improve > Aspeed Catalina BMC emulation" series: functional tests for the PCA9555 > and PCA9554 IO expanders, plus the PCA9554 change that drives its input > pins externally. They were held back because reaching such devices from > a test needs a stable way to reference them by bus position — the QOM > re-parenting patch tried then was rejected, and the device locator now > unblocks them. > > Based on: > > repo: https://github.com/legoater/qemu.git > branch: aspeed-11.1 > commit: 04d27371e3 ("hw/arm: catalina: add NIC and FIO temperature sensors") > > Signed-off-by: Emmanuel Blot > --- > Changes in v2: > - Simplify TMP105 multiple variant initialization > - Improve reliability against malformed device locator strings > - Remove an obsolete reference to INA23x devices from a commit log message > - Rebase patch series on aspeed-next branch > - Fix invalid JSON syntax in SanMiguel FRU descriptions > - Link to v1: https://lore.kernel.org/qemu-devel/20260729-sanmiguel-bmc-locator-v1-0-c8f9a8d101f6@free.fr > > To: qemu-devel@nongnu.org > Cc: Philippe Mathieu-Daudé > Cc: Cédric Le Goater > Cc: Peter Maydell > Cc: Steven Lee > Cc: Jamin Lin > Cc: Kane Chen > Cc: Andrew Jeffery > Cc: Joel Stanley > Cc: qemu-arm@nongnu.org > Cc: Fabiano Rosas > Cc: Laurent Vivier > Cc: Paolo Bonzini > Cc: Thomas Huth > Cc: "Daniel P. Berrangé" > > --- > Emmanuel Blot (25): > hw/sensor: tmp105: make device state private to the implementation > hw/sensor: tmp105: name the parent object field parent_obj > hw/sensor: tmp105: implement Resettable reset > hw/sensor: tmp105: enforce the configurable fault queue > hw/sensor: tmp105: describe the temperature property > hw/arm: aspeed: guard board-local temperature-sensor aliases > hw/sensor: tmp105: add TMP75, TMP175 and LM75B variants > tests/qtest: tmp105: cover the ALERT fault queue > tests/qtest: tmp105: cover the TMP75, TMP175 and LM75B variants > tests/qtest: tmp105: cover one-shot and fault-queue write immunity > tests/qtest: tmp105: cover shutdown clearing the ALERT across variants > hw/arm: sanmiguel: add Facebook SanMiguel BMC machine > hw/arm: sanmiguel: populate EEPROM data > hw/arm: catalina: use the real TMP75 model > hw/arm: fuji: use the real TMP75 and LM75B temperature sensors > tests/functional: aspeed: optionally check the device tree model on boot > tests/functional: give the set_machine probe VM the test workdir > tests/functional: add a pure-Python device-locator resolver > tests/functional: add a device-locator self-check > tests/functional: aspeed: add hwmon sensor read helpers > tests/functional/arm: sanmiguel: add BMC boot test > tests/functional/arm: catalina: test TMP75 > tests/functional/arm: catalina: test PCA9555 IO expander via QOM > hw/arm: catalina: drive pca9554 io expander input pins externally > tests/functional/arm: catalina: test PCA9554 IO expander via QOM > > hw/arm/aspeed_ast2600_catalina.c | 14 +- > hw/arm/aspeed_ast2600_fuji.c | 16 +- > hw/arm/aspeed_ast2600_sanmiguel.c | 405 ++++++++++++++++++ > hw/arm/meson.build | 1 + > hw/sensor/tmp105.c | 304 ++++++++++--- > include/hw/sensor/tmp105.h | 46 +- > tests/functional/arm/meson.build | 3 + > tests/functional/arm/test_aspeed_catalina.py | 107 ++++- > tests/functional/arm/test_aspeed_sanmiguel.py | 72 ++++ > tests/functional/arm/test_device_locator.py | 120 ++++++ > tests/functional/aspeed.py | 21 +- > tests/functional/qemu_test/locator.py | 586 ++++++++++++++++++++++++++ > tests/functional/qemu_test/testcase.py | 2 +- > tests/qtest/tmp105-test.c | 359 ++++++++++++++++ > 14 files changed, 1934 insertions(+), 122 deletions(-) > --- > base-commit: e5d3f5ac8633de310066f14862b17e4cac8ef8a5 > change-id: 20260729-sanmiguel-bmc-locator-db13cceae66c > > Best regards, > -- > Emmanuel Blot > Applied 1-16 to https://github.com/legoater/qemu aspeed-next Functional tests need to identify devices in the bus topology and we lack support for that. Several recent threads have touched this topic: - "[PATCH v5 0/8] hw/sensor: Add new device emulation for TI ADC128D818" [1] - "Call to clean up QOM onboard devices lacking a parent" [2] - "[PATCH RFC 001/134] qom: Introduce object_new_child()" [3] - "[PATCH RFC v2 0/137] qom: Make composition-tree parenting mandatory" [4] - "[PATCH v2 0/25] hw/arm: Facebook SanMiguel BMC and TMP75-family sensors" [5] Not addressed yet. It's still maturing, like all the good stuff. Thanks, C. [1] https://lore.kernel.org/qemu-devel/20260701-i2c-adc128d818-anacapa-v5-6-fe8292d86b38@free.fr [2] https://lore.kernel.org/qemu-devel/87se5scipx.fsf@pond.sub.org [3] https://lore.kernel.org/qemu-devel/20260711223707.42139-1-graf@amazon.com [4] https://lore.kernel.org/qemu-devel/20260718213652.37673-1-graf@amazon.com [5] https://lore.kernel.org/qemu-devel/20260731-sanmiguel-bmc-locator-v2-0-1266926ba769@free.fr