From patchwork Mon Mar 18 15:58:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 1913207 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Tz00X2qlPz1yWn for ; Tue, 19 Mar 2024 02:59:24 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rmFOA-00068c-QX; Mon, 18 Mar 2024 11:59:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rmFO7-00067i-Cj; Mon, 18 Mar 2024 11:58:59 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rmFO4-0001P1-T2; Mon, 18 Mar 2024 11:58:59 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4Tyzzv0KZ3z4wcN; Tue, 19 Mar 2024 02:58:51 +1100 (AEDT) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Tyzzr1VTFz4wbr; Tue, 19 Mar 2024 02:58:47 +1100 (AEDT) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, Nicholas Piggin , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , Glenn Miles , Thomas Huth Subject: [PATCH v2] ppc/pnv: I2C controller is not user creatable Date: Mon, 18 Mar 2024 16:58:44 +0100 Message-ID: <20240318155844.224193-1-clg@redhat.com> X-Mailer: git-send-email 2.44.0 MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=7gLY=KY=redhat.com=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org The I2C controller is a subunit of the processor. Make it so and avoid QEMU crashes. $ build/qemu-system-ppc64 -S -machine powernv9 -device pnv-i2c qemu-system-ppc64: ../hw/ppc/pnv_i2c.c:521: pnv_i2c_realize: Assertion `i2c->chip' failed. Aborted (core dumped) Fixes: 263b81ee15af ("ppc/pnv: Add an I2C controller model") Cc: Glenn Miles Reported-by: Thomas Huth Reviewed-by: Thomas Huth Signed-off-by: Cédric Le Goater Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Glenn Miles --- hw/ppc/pnv_i2c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/ppc/pnv_i2c.c b/hw/ppc/pnv_i2c.c index 4581cc5e5d4645ab3e358d983a633e33a214c425..eec5047ce83f842108b53a6e2bd9869a81f14ac1 100644 --- a/hw/ppc/pnv_i2c.c +++ b/hw/ppc/pnv_i2c.c @@ -557,6 +557,9 @@ static void pnv_i2c_class_init(ObjectClass *klass, void *data) xscomc->dt_xscom = pnv_i2c_dt_xscom; + /* Reason: This device is part of the CPU and cannot be used separately */ + dc->user_creatable = false; + dc->desc = "PowerNV I2C"; dc->realize = pnv_i2c_realize; device_class_set_props(dc, pnv_i2c_properties);