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 X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F84FC433DF for ; Mon, 18 May 2020 10:39:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 50708207F5 for ; Mon, 18 May 2020 10:39:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 50708207F5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jadBL-0005zO-Bi for qemu-devel@archiver.kernel.org; Mon, 18 May 2020 06:39:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33480) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jadAl-0005RI-TJ; Mon, 18 May 2020 06:39:03 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]:57185) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jadAk-0005d7-W4; Mon, 18 May 2020 06:39:03 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id C224E74633F; Mon, 18 May 2020 12:39:00 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 8E0CE746333; Mon, 18 May 2020 12:39:00 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 8CAC874633E; Mon, 18 May 2020 12:39:00 +0200 (CEST) Date: Mon, 18 May 2020 12:39:00 +0200 (CEST) From: BALATON Zoltan To: Markus Armbruster Subject: Re: [PATCH 18/24] display/sm501 display/ati: Fix to realize "i2c-ddc" In-Reply-To: <20200518050408.4579-19-armbru@redhat.com> Message-ID: References: <20200518050408.4579-1-armbru@redhat.com> <20200518050408.4579-19-armbru@redhat.com> User-Agent: Alpine 2.22 (BSF 395 2020-01-19) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="3866299591-63554047-1589798340=:5961" Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/18 06:39:01 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: berrange@redhat.com, ehabkost@redhat.com, Magnus Damm , qemu-devel@nongnu.org, =?ISO-8859-15?Q?Philippe_Mathieu-Daud=E9?= , Aleksandar Markovic , qemu-ppc@nongnu.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --3866299591-63554047-1589798340=:5961 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8BIT On Mon, 18 May 2020, Markus Armbruster wrote: > sm501_init() and ati_vga_realize() create an "i2c-ddc" device, but > neglect to realize it. Affects machines sam460ex, shix, r2d, and > fulong2e. > > I wonder how this ever worked. If the "device becomes real only on > realize" thing actually works, then we've always been missing the > device, yet nobody noticed. > > Fix by realizing it right away. Visible in "info qom-tree"; here's > the change for sam460ex: > > /machine (sam460ex-machine) > [...] > /unattached (container) > [...] > - /device[14] (sii3112) > + /device[14] (i2c-ddc) > + /device[15] (sii3112) > [rest of device[*] renumbered...] > > Fixes: 4a1f253adb45ac6019971193d5077c4d5d55886a > Fixes: 4a1f253adb45ac6019971193d5077c4d5d55886a One of these is probably meant to be c82c7336de58876862e6b4dccbda29e9240fd388 although I'm not sure having a Fixes tag makes sense for this commit. > Cc: BALATON Zoltan > Cc: qemu-ppc@nongnu.org > Cc: Magnus Damm > Cc: Philippe Mathieu-Daudé > Cc: Aleksandar Markovic > Signed-off-by: Markus Armbruster > --- > hw/display/ati.c | 1 + > hw/display/sm501.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/hw/display/ati.c b/hw/display/ati.c > index 58ec8291d4..7c2177d7b3 100644 > --- a/hw/display/ati.c > +++ b/hw/display/ati.c > @@ -929,6 +929,7 @@ static void ati_vga_realize(PCIDevice *dev, Error **errp) > bitbang_i2c_init(&s->bbi2c, i2cbus); > I2CSlave *i2cddc = I2C_SLAVE(qdev_create(BUS(i2cbus), TYPE_I2CDDC)); > i2c_set_slave_address(i2cddc, 0x50); > + qdev_init_nofail(DEVICE(i2cddc)); > > /* mmio register space */ > memory_region_init_io(&s->mm, OBJECT(s), &ati_mm_ops, s, > diff --git a/hw/display/sm501.c b/hw/display/sm501.c > index acc692531a..132e75b641 100644 > --- a/hw/display/sm501.c > +++ b/hw/display/sm501.c > @@ -1816,6 +1816,7 @@ static void sm501_init(SM501State *s, DeviceState *dev, > /* ddc */ > I2CDDCState *ddc = I2CDDC(qdev_create(BUS(s->i2c_bus), TYPE_I2CDDC)); > i2c_set_slave_address(I2C_SLAVE(ddc), 0x50); > + qdev_init_nofail(DEVICE(ddc)); > > /* mmio */ > memory_region_init(&s->mmio_region, OBJECT(dev), "sm501.mmio", MMIO_SIZE); > --3866299591-63554047-1589798340=:5961--