From nobody Sat Feb 7 07:15:11 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1770108889; cv=none; d=zohomail.com; s=zohoarc; b=SrgB42vFRFSmS7kZmJfCaBrFOaVu8fc3sVaH1uATsao+8021aaEsyYCc7ptvgv3pdL1Lb/tr3auhBufwjtLnTSI37+cJU8fpn1y5phrXz3plnXGaO8Nrdyye9CO6D2Zqwyy1x3Vvyc8GkpdDUAVJ5ZmYahXxMJJPho25e9HK5j8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1770108889; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=bA5qK6w+SoCC2OlN8LX3rr+E5AOXE9UEJ3XEX6KufPM=; b=Du4SRQzS0s22prbSojaXSoZoIBD9/qgApblBnCTJDQksFL1cf5W08Ss1TPt07d0+hxjYWdwktDyTVDxMZ1NRzzS9YOBxYaVFGgLA0PJ580Qs6eezvWhiRd1ltd0ytmkvzbqzRkuSuOiS69rPjsT/hbZV0dGo9GePMH+JIgBHljc= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 177010888933512.550034676015912; Tue, 3 Feb 2026 00:54:49 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vnC9p-0004to-E6; Tue, 03 Feb 2026 03:53:15 -0500 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 1vnC9h-0004px-BR; Tue, 03 Feb 2026 03:53:06 -0500 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vnC9g-0002qU-2Q; Tue, 03 Feb 2026 03:53:05 -0500 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Tue, 3 Feb 2026 16:52:33 +0800 Received: from mail.aspeedtech.com (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Tue, 3 Feb 2026 16:52:33 +0800 To: , , Paolo Bonzini , Peter Maydell , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Steven Lee , Troy Lee , Andrew Jeffery , Joel Stanley , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "open list:All patches CC here" , "open list:ARM TCG CPUs" CC: , , , Patrick Venture Subject: [PATCH v2 09/20] hw/i3c/dw-i3c: Treat more registers as read-as-zero Date: Tue, 3 Feb 2026 16:52:09 +0800 Message-ID: <20260203085229.1543287-10-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260203085229.1543287-1-jamin_lin@aspeedtech.com> References: <20260203085229.1543287-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin From: Jamin Lin via qemu development Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1770108891466158500 Content-Type: text/plain; charset="utf-8" From: Joe Komlodi RESET_CTRL and INTR_FORCE are write-only. Signed-off-by: Joe Komlodi Reviewed-by: Patrick Venture Reviewed-by: Jamin Lin --- hw/i3c/dw-i3c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/i3c/dw-i3c.c b/hw/i3c/dw-i3c.c index 02fa9b3c00..e20244de2c 100644 --- a/hw/i3c/dw-i3c.c +++ b/hw/i3c/dw-i3c.c @@ -342,7 +342,10 @@ static uint64_t dw_i3c_read(void *opaque, hwaddr offse= t, unsigned size) uint64_t value; =20 switch (addr) { + /* RAZ */ case R_COMMAND_QUEUE_PORT: + case R_RESET_CTRL: + case R_INTR_FORCE: value =3D 0; break; default: --=20 2.43.0