From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C4556606A31A for ; Wed, 28 Oct 2026 11:26:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=OkIelfBG Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xM1nU-0004WB-Lh; Wed, 28 Oct 2026 07:26:24 -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 1xM1nS-0004Vv-Gc for qemu-devel@nongnu.org; Wed, 28 Oct 2026 07:26:22 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xM1nP-0003AX-U1 for qemu-devel@nongnu.org; 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Wed, 28 Oct 2026 11:26:13 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.44.22.2]) by mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A07EA362; Wed, 28 Oct 2026 11:26:12 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 5557321E6A04; Wed, 28 Oct 2026 12:26:10 +0100 (CET) From: Markus Armbruster To: =?utf-8?Q?C=C3=A9dric?= Le Goater Cc: Timur Maksimov , qemu-devel@nongnu.org, Paolo Bonzini , Peter Maydell , Jamin Lin , Kane Chen , qemu-arm@nongnu.org, Fabiano Rosas , Laurent Vivier , Corey Minyard Subject: Re: [PATCH v2 1/6] hw/i2c: add dummy device In-Reply-To: <4b33dabe-5c37-4819-84bb-f6db7331462b@kaod.org> (=?utf-8?Q?=22C=C3=A9dric?= Le Goater"'s message of "Wed, 28 Oct 2026 12:04:56 +0100") References: <20261027-aspeed-i2c-nonpkt-fix-v2-0-07deed1dff60@gmail.com> <20261027-aspeed-i2c-nonpkt-fix-v2-1-07deed1dff60@gmail.com> <2629ee8a-e817-4764-a1e3-72e0ccbb978b@kaod.org> <874ie6ku2u.fsf@pond.sub.org> <4b33dabe-5c37-4819-84bb-f6db7331462b@kaod.org> Date: Wed, 28 Oct 2026 12:26:10 +0100 Message-ID: <87wlr2jcbx.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.6 on 10.30.177.95 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 5 X-Spam_score: 0.5 X-Spam_bar: / X-Spam_report: (0.5 / 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, GB_FAKE_RF=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 C=C3=A9dric Le Goater writes: >> The commit message tells us this is a "Simple I2C device with QOM >> properties to access transmit and receive buffers [...] for testing or >> prototyping." It doesn't tell us how it could be used, and I can't see >> any documentation, either. So let's start right there: please show us >> how this device could be used. This should help me understand what the >> properties are for. Only then can I advise on proper QOM usage. >> [...] > > sorry, I should have added the link to the test case where these > properties are used : > > https://lore.kernel.org/qemu-devel/20261027-aspeed-i2c-nonpkt-fix-v2-6-= 07deed1dff60@gmail.com/ Uh, that's a bit much for me to read. Timur, please answer my question.