From nobody Fri Sep 25 14:31:49 2026 Received: from mx0b-0002e601.pphosted.com (mx0b-0002e601.pphosted.com [148.163.154.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F32594718CF; Fri, 11 Sep 2026 09:25:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=148.163.154.28 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789118757; cv=fail; b=HySq8T8hvP5h4ofl1MQpWVOkmN9PvmloZmAwkQnYdaV7quq8uSC6GDltIlCDGoNeM//WNsX/TT+Zwa0fW3cPxZ1XNh32tQwXxwJS/06BxmS7kQIz2FirK7iAiiFSuy9kjW2hASimoKORyI9rdk83tDVYa7JTm1V9yf+9hAljvxA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789118757; c=relaxed/simple; bh=9ktscHcEiGbOnMlSWGHEg1vMqZ7/UVoGi4vDkesapGk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uGljPAxS4BxztGprYNzDnw82vQBF+8kPNKpYv8cQRrALCal4GXlbFbzP/qTltB1ps0ITynxT0tJ4Z32MQAMTKHSxaYBQX/RBNJ7St+BMfT4/0qw1vf3RT/vZ04f1IdCcifXuEa2AfPFTz2wQk0VIJuOuvddG+g/JbeQveGooLi8= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (2048-bit key) header.d=ti.com header.i=@ti.com header.b=FCcjp/yz; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=ZxjCj+61; arc=fail smtp.client-ip=148.163.154.28 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ti.com header.i=@ti.com header.b="FCcjp/yz"; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ZxjCj+61" Received: from pps.filterd (m0374956.ppops.net [127.0.0.1]) by mx0b-0002e601.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68B7nqIh1143826; Fri, 11 Sep 2026 04:25:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= proofpoint-05-2026; bh=pFYHA3pzZBPfbyZySmUv0f+uHxvuzfazZOLif6KKU mE=; b=FCcjp/yzZdrICgPkuYMNzTJ9ocdSybFcKLrd0BN7ILfooUiR/AFMlVeyM cP6ZgMHElcTnbM9115UwjLlGjVuBlwAhxmotnfox4aW3kv3JT9/k6c+4HQJcuLmz 2G79KudFI9LqSN/L/Oh8/mEwOZqbEetdhnw+CEQf1MsBLKvlYEkSDpARwgnRrk0y f+IEh4AzR0ywk5Qi8Isyb2rkhBwUCVzDaGa0rkWtIoXx2+gSa9jNTXjmEhVR+N6A 7Bwnrz2egNGn+pQX88Kj5IjagzK++P+UO1DrxsqQUINOvTFeLV4vqRThU7Rfpuj/ aD7Ia3LI+xKcQfJGudn9PRh/6fvFA== Received: from bn1pr04cu002.outbound.protection.outlook.com (mail-eastus2azon11010024.outbound.protection.outlook.com [52.101.56.24]) by mx0b-0002e601.pphosted.com (PPS) with ESMTPS id 4gkyx25735-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 11 Sep 2026 04:25:50 -0500 (CDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=MSyZtCGbkTyv+4N9GvH58x0XjuRIWeVba1xr/bMIEBZZS4V3cs0KoR51111A2LWQVLPPnFX0xCkwFMyP6ohIUuWIR5cyYjPnrZ0CILAiRoBXkmKoICu/twLTYx6B02Fj/dkDve8caAHvd5tp4vQby5+MDMrsN3puiv11bTiM+z/9m8uM0BTSAYA0MH+67ynzEELfciPFQyu1RDqYOY0ZKYPuL7cFCRfPNVilKBVGcJb1rrb6G7v3MJ1jn2iJX7ko/qjIvqXyY06oQTyz/xcqCxfAk9xK1fIYiYAyT++TKxulrBBjTlgAN1cWNtgROCbuS+VJN9W8UebZB+QAmWYlHA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=pFYHA3pzZBPfbyZySmUv0f+uHxvuzfazZOLif6KKUmE=; b=v5Z3CQ5fmtMgz4+8Vo2oaGflNeSBd8H2eKMGmeW8ZWjDZoTqSYjIhYZbZ0hGU1tYGnuTu5aigKM8QKyGaUkF20cloi3mLzc0JGLPldlKzrNzth0fbFkkDTzM4A2xPymDseKiQcIkSEjbegidHhg5XL/Vbxzsbac9MhToSZRlsTwGGffDMJy4NvFtTd/PRoCz5kXtMUL4ESAiYMncl4yRJUagOEiot/hn+9uNGDF79sPvP/1jLLjs51z4G3atRIU6JX69V1O5uYWQJopzoAvIaECRgWNubVr0GzTlSSuuf4t6QiDIOPMDt2EjNCYX/uEmpz8lrRCZKnNA7PLSMWuPQQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.23.195) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=pFYHA3pzZBPfbyZySmUv0f+uHxvuzfazZOLif6KKUmE=; b=ZxjCj+61nKERoSmvEtawuA2EjbjhdNliawhKNiLmhjcAitSAlpshxk2MaOxcV3wJzWGuRjKWMtaLypSJvWAv7N2iDP1fyB87ON4qRJi+YyZtn00uKc37hUH07JqS1HaTSeNWuImrpT++Oiz028zbiC6+BM2/HlkMRsft7IpXTMY= Received: from SA1PR02CA0024.namprd02.prod.outlook.com (2603:10b6:806:2cf::24) by BL3PR10MB6138.namprd10.prod.outlook.com (2603:10b6:208:3b9::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.428.7; Fri, 11 Sep 2026 09:25:48 +0000 Received: from SA2PEPF00003F61.namprd04.prod.outlook.com (2603:10b6:806:2cf:cafe::2a) by SA1PR02CA0024.outlook.office365.com (2603:10b6:806:2cf::24) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.406.9 via Frontend Transport; Fri, 11 Sep 2026 09:25:47 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.23.195) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.23.195 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.23.195; helo=lewvzet201.ext.ti.com; pr=C Received: from lewvzet201.ext.ti.com (198.47.23.195) by SA2PEPF00003F61.mail.protection.outlook.com (10.167.248.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Fri, 11 Sep 2026 09:25:47 +0000 Received: from DLEE204.ent.ti.com (157.170.170.84) by lewvzet201.ext.ti.com (10.4.14.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Fri, 11 Sep 2026 04:25:38 -0500 Received: from DLEE205.ent.ti.com (157.170.170.85) by DLEE204.ent.ti.com (157.170.170.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Fri, 11 Sep 2026 04:25:38 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DLEE205.ent.ti.com (157.170.170.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45 via Frontend Transport; Fri, 11 Sep 2026 04:25:38 -0500 Received: from moteen-ubuntu-desk.dhcp.ti.com (moteen-ubuntu-desk.dhcp.ti.com [10.24.50.20]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 68B9PTqN838879; Fri, 11 Sep 2026 04:25:34 -0500 From: Moteen Shah To: , , , , , , CC: , , , , , , Subject: [PATCH 1/2] dt-bindings: serial: snps-dw-apb-uart: Add ti,tda54-uart Date: Fri, 11 Sep 2026 14:55:28 +0530 Message-ID: <20260911092529.306082-2-m-shah@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260911092529.306082-1-m-shah@ti.com> References: <20260911092529.306082-1-m-shah@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00003F61:EE_|BL3PR10MB6138:EE_ X-MS-Office365-Filtering-Correlation-Id: 938e51ac-d486-484a-2454-08df0fe6aa04 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|1800799024|376014|36860700016|82310400026|10067099003|56012099006|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(23010399003)(1800799024)(376014)(36860700016)(82310400026)(10067099003)(56012099006)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: L2zT5fK+EBd27JMaazFLOWdPm/RfArQ9AwUoryHmNMx4tSMJyF9NnNW8J+ZDewu0oXL9Wo3PFAPkzUOSmmEzKpuXjD8xvONvbl7UjnR9mEq50PSDRb0JyGb/B7lrcAPtQ0tFhwGRpBAYLdP9+7ibrnqBo8eK3rXm0ogYIrx7iB2y68Gw/TrJDWl3b9HZS19okEJ7JeLMfCeRyJiSzQa6Ksfdbu31Ew2jTZpTcimOLAchRK5hmaEoC09xjK+Yv+YUfzE4Dd2WFV7hS0G8GDxTlXOm0jBqgK8yGkxMg6hwB0vc5IlN2S4YIXHpKKna1U3u6ANqNOH+MB6n+VvizJ4Cafx363hs8k7KK2cIvQOSQm06sJU0U95rhWX/6Tb1mxabFU/W9ixmyGmoJnzuZ938fyhsj5HppHRY1v1cSRt7Tctx11s/J/DQPjZ4Oeztclqr X-Exchange-RoutingPolicyChecked: M1XWPTcI5YNXC+2JyVRrr3nmGnitP/ZC7dIN3AfUa+A49c9VH0kHIp1EyASHL29YAvzKcc+gZBDQY/Wz2166W2J5xrzDu/57jCihl1Vil7ON3EkU8DGQpiS/z62XzW8b+0RX4QuWB+VJv2LSFZh6kuqYeHq6oiGEoU091SjvLZd3vSIICInLOAyFl07Hfvpmr3y2kd3Osmmvck8Z+2XXodvbbfsGiVsZcMDsyTE3eI4p+wU/BcsOedtLCgXXB3iUPQdC3kNUdkOZW/JZVn4cF7f8O9zVsouhnVIrSJtKaY6MPFeqLSDnzKfHdATb5PucPw+9LYyaNpClFuPG4E8gfQ== X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2026 09:25:47.8435 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 938e51ac-d486-484a-2454-08df0fe6aa04 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00003F61.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR10MB6138 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDEzMSBTYWx0ZWRfX2Ssmaa8gpXBn aJm+rj7JiwP4PQpNmI1dmUqa4JDyGwERviVJTyDRWQ3AzZr2FMHOUDBgPM29xTCIqjjzs/nqGbK aOSTSbXbYRWg2gZ6RGKod7y635ZFgC0= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDEzMSBTYWx0ZWRfX8rmr538lj3Eo /wE2sapjf/jPBf+nqZmQ/6TkO3SPXNX05arsr9Zv4Xd6ENtenIt27JC9GHigt0fqtS5zqopZsMU nmF7Ix4rfTnrpqZ7yXP5GxJ2rRdJQCSQup7ptW4uU1Jbp2oPOpmWx2r2VJ7JFq4fanU5sPOjB86 mMMzK1RE8K2QXUnQnCUw5x5USQuwDHDphJyghK4jA74Z5UWVZGWNXp3NvCTnDGx4h7cMr916Fr1 dmi2w6VYY4I+Ewcg2QuXHOlX8pikF5UiDEZwKFKCrN4O3SwcJ6nr8oY3VBpOATttaWxThAd/HMc QNuvxQDzpFWqEA32QZ9iiRmQG74L/5LYmmf6Vs+qcfYVDQm/w89qgoZCuZwLu+H1lXi5+iu2uX3 1MXX0kftXMTlEtqagGevlteIBJL5W7L7T0rYVC7xmrmTWrlN51Zxs7Jmd3AYsKKMhKzp8VGICsu ST5ChiJDrmqhdbdTGGw== X-Proofpoint-ORIG-GUID: ZVYCpRPwYTLD471xwFKbbmgpFn7y9c3w X-Proofpoint-GUID: ZVYCpRPwYTLD471xwFKbbmgpFn7y9c3w X-Authority-Analysis: v=2.4 cv=UJ5Ijyfy c=1 sm=1 tr=0 ts=6aa3c91e cx=c_pps a=qaGWf3H7ZUycNCJ7m3WmPQ==:117 a=f+v6EHfkeJbVwR46tk4DMg==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=VdqzKS8jKosA:10 a=s63m1ICgrNkA:10 a=V5UXEbMT0ywA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Z8NIEmU8O1QQgoT56wFK:22 a=jwouBfj2j3NM8CExmVVE:22 a=sozttTNsAAAA:8 a=7XQQQQFb1Nbzf0LZnHMA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-11_03,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 clxscore=1011 priorityscore=1501 adultscore=0 suspectscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609110131 Content-Type: text/plain; charset="utf-8" The TDA54 UART is compatible with the existing DesignWare APB UART binding. Add the ti,tda54-uart compatible string. Signed-off-by: Udit Kumar Signed-off-by: Moteen Shah Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml= b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml index 49f51b002879..518c899c52d1 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml @@ -78,6 +78,7 @@ properties: - starfive,jh7100-hsuart - starfive,jh7100-uart - starfive,jh7110-uart + - ti,tda54-uart - ultrarisc,dp1000-uart - const: snps,dw-apb-uart - const: snps,dw-apb-uart --=20 2.34.1 From nobody Fri Sep 25 14:31:49 2026 Received: from mx0a-0002e601.pphosted.com (mx0a-0002e601.pphosted.com [148.163.150.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 49419468C05; Fri, 11 Sep 2026 09:26:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=148.163.150.75 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789118792; cv=fail; b=eNQKjC6jzzc38TgZRoEbfWqcoTi7QReI+wqLdH+UTHtRyptQf/xv8S9EHR9RyzGfR8pZgx9KOV+LEYzIT0zQ9q1BIkglpZ+dW4t4taSIVoZJq24TSZW6ytPjlsg6OI4FXZeo2F8OCBQatMh8O5OMegWpgceGdUzEdAdtx2vQvuc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789118792; c=relaxed/simple; bh=cHsuaeKFAN0nMiObDigdDwsFgMVJeoCNQtSMQQVTbhA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OjjhBDxwcGETciJn979IKoyMqfSkdPvxu5qypGFImtqGFgrW3Wh3ZZfoTPFmXqSqTVAnRWjiPwrEceeLBEjgW9tMDkoCpEfH7QZn1UV/ivBcmuD2Cm59/tHweKgn9t3Q1sp7rhnjPzAti76g8Q72Jg6zvbrBeHfsEa0lfEI1f8Q= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (2048-bit key) header.d=ti.com header.i=@ti.com header.b=pPxUIkaQ; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=ZO4gN62J; arc=fail smtp.client-ip=148.163.150.75 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ti.com header.i=@ti.com header.b="pPxUIkaQ"; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ZO4gN62J" Received: from pps.filterd (m0384305.ppops.net [127.0.0.1]) by m0384305.ppops.net (8.18.1.11/8.18.1.11) with ESMTP id 68B7nowS3304954; Fri, 11 Sep 2026 04:26:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= proofpoint-05-2026; bh=F0ksubqHac49CCXxCw82+ZZ5OZC4n1pHCGbhkzo0u V4=; b=pPxUIkaQcj/bLdUoWozCSixl+l3mpdugpglQgzZ29HkfFReWX5PtuaOxL J1lGInJnh0DRgGJEjJsg5A1L0qlTi3zQWN0i8Xn5ghd1t3BfJfuaqbTveu1wRDcs hxnZiDfpebN3jVir/fcK9FrqCUHKZJPJUQYIJ0bVrBthjr2Ap4YlCfo5hw8UKKox O/+veO4VqnDCuxo8YJD5ULP7FKB+gmVYInyXMMHe9U/Ni9R4HrllUGmtOaYLvM86 wkbtByS58BLz+AkgWiFzVjfdAdB76MCDlSY7fV6oELxF+XWrCUOT5y8i2zUNpdL3 eANnggO+Pcdr3UlnIyuVttUdURRcg== Received: from ph7pr06cu001.outbound.protection.outlook.com (mail-westus3azon11010009.outbound.protection.outlook.com [52.101.201.9]) by m0384305.ppops.net (PPS) with ESMTPS id 4gm3yyuhc9-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 11 Sep 2026 04:26:27 -0500 (CDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=bzA3a6x4wg7vlM/PM/qZP9va1XCzomJM/aehY4Ce2pRJkue+JibeBNFhe+v9zI4+L236be6xd9366VEZqj//nDPwTJsAqm8L9hcUKT1/Bd2/UvCd7aJIMn4r94IWVdSvvt8Y/b//QSGj+3lHSYKkp6OOoCkhMSS6Qu5BsQnAZE+FfLIiqSvEcusGdk0ZPEE6mfd0jili/KvWZ+9v3+bK3Owx6FxL/tXHbLQpXIIIWep9xTXrLc9erjQSI/jS/BZRBzkiirZIAv6t9jhmllQXMICojkLrNopLA9gId0WGg/TLaHB6ARhbqzdjM3xhvNENm8G7QfXWpgChharJr3YdYg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=F0ksubqHac49CCXxCw82+ZZ5OZC4n1pHCGbhkzo0uV4=; b=cSE4gre47hcmpo9DSDQ7b3iu7pQUxCfKQ928hNp2R5kdnj7SXRuvsM3JPC0Kdm7UD5OFOkX+DHNfMaYK16/UiaIczMddIW+VS9Dve0I3JP1TL2mn63mR7JHnbiTcQ2k3i+G/zYlTagAmDAvyRls2EFDEyCymM67NZJvCsRCsrk9sViG90ibaEgsXwCX5QAkVV/AzTRee1dAc4TibrI7mOhR02aSnmQ+aJOLAviJeBGeEaoH3wpDPfheyNcHOQxuFPPqUXrG4sxSQwJelRFUbPq0ZnpeHg4a4E/42IIY5cthx5ErWksedv3f060lb+w63BzzI32pkFeCvCGiXI45pSw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.194) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=F0ksubqHac49CCXxCw82+ZZ5OZC4n1pHCGbhkzo0uV4=; b=ZO4gN62JsAkAZmUESQ1TCeuh92j9EEm/fMd03lYOze2zxWEQdZYNoYLf8vfHC9eF6CSVDETI/Cc58Yyixxagc+O/8VMC1iSZK+hGZ/QMJy8j0u7dE1kqpUcbWEB+ip2Tuv2Ldy2pEJn2A++copsxj1wwRum2bfjYFy2S+wGrBdQ= Received: from MW4PR04CA0225.namprd04.prod.outlook.com (2603:10b6:303:87::20) by DS4PPFF257CDCED.namprd10.prod.outlook.com (2603:10b6:f:fc00::d58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.6; Fri, 11 Sep 2026 09:26:23 +0000 Received: from SJ1PEPF000037A7.namprd04.prod.outlook.com (2603:10b6:303:87:cafe::8f) by MW4PR04CA0225.outlook.office365.com (2603:10b6:303:87::20) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.406.9 via Frontend Transport; Fri, 11 Sep 2026 09:26:23 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.194) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.21.194 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.194; helo=flwvzet200.ext.ti.com; pr=C Received: from flwvzet200.ext.ti.com (198.47.21.194) by SJ1PEPF000037A7.mail.protection.outlook.com (10.167.244.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Fri, 11 Sep 2026 09:26:21 +0000 Received: from DFLE200.ent.ti.com (10.64.6.58) by flwvzet200.ext.ti.com (10.248.192.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Fri, 11 Sep 2026 04:25:43 -0500 Received: from DFLE207.ent.ti.com (10.64.6.65) by DFLE200.ent.ti.com (10.64.6.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Fri, 11 Sep 2026 04:25:42 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE207.ent.ti.com (10.64.6.65) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45 via Frontend Transport; Fri, 11 Sep 2026 04:25:42 -0500 Received: from moteen-ubuntu-desk.dhcp.ti.com (moteen-ubuntu-desk.dhcp.ti.com [10.24.50.20]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 68B9PTqO838879; Fri, 11 Sep 2026 04:25:39 -0500 From: Moteen Shah To: , , , , , , CC: , , , , , , Subject: [PATCH 2/2] serial: 8250_dw: Add ti,tda54-uart quirk to skip empty FIFO read Date: Fri, 11 Sep 2026 14:55:29 +0530 Message-ID: <20260911092529.306082-3-m-shah@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260911092529.306082-1-m-shah@ti.com> References: <20260911092529.306082-1-m-shah@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000037A7:EE_|DS4PPFF257CDCED:EE_ X-MS-Office365-Filtering-Correlation-Id: c9614757-ff82-4134-a999-08df0fe6bddb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|1800799024|36860700016|82310400026|376014|10067099003|56012099006|18002099003|22082099003|6133799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.21.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet200.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(23010399003)(1800799024)(36860700016)(82310400026)(376014)(10067099003)(56012099006)(18002099003)(22082099003)(6133799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 18wA2oNmwMKQ7utirkKUEcoIvC5zVqbn7yhb6SR6A2OajSacVsjNSFp9sXd/FDFI9SuCiWr0Dcm6/+OoFApG/s1YNB7WPnS1a+BpPagyb7Tq67lPn8fcneRzcYEfnEavIWtdIgckKyvSAiNxQhW2XrL8m6uQhntsDR9jVpSCPPdzh8q0Z6LWp4dpjF8+Yi962yE+FCuwQ3VTeJwxCGpMQE+Ze//rf98clvnvOu4zIX2hX2/Ft2GfbYlhRCN8srJTITBSKR2DsmRh/BvxbSKgosi1fWjTWdml/RsZtk0c0jN96+MIG5b9nPMieMGuQIdTxSCNunVbHGbicnQPW4CGxH/Ie8X9+B28Z/NRGmsVPEtYzLekYM7g6xH3Sl3EolMAZyV32MGLyj0vEFQlAZKhaRx+QsL2vSoLI8qFR9KKZP64KuD710uzRblW4VBdOsC+ X-Exchange-RoutingPolicyChecked: g9NfAbq70Kj2xdJXDIN9ao3vMmmjUjk4Yiu4WNqp9H8r1Pj8zB0WZl37lQT0VITx94CQKtzUg/iLXF4hRxeRvI3KhCVYel+IFkWQJN6IVWhfmQcfzm2mnwkIUnR3TbaexiTFy2w01dRowQeqQDw2FxEDK4B+9W4v7ikLhJtyyLAoBVF7HaWV24kTjdLTgVQ9zoQttwasXkJ5hc2Si3Fib7ChNXYnvX3uTxnkRbZ5mXUxlzDrIm7UhddO4O1qKQsByfLBwVNEbN9ZLc28NG5COALu27QNZvUUGNax8fG5R6ry2ffKgX1pUt+xcLhSH6aCOBqQqCHNweBcv0a5klcBfQ== X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2026 09:26:21.0754 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c9614757-ff82-4134-a999-08df0fe6bddb X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000037A7.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PPFF257CDCED X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDEzMSBTYWx0ZWRfX2Eax4NcDt/az 0IbB5kVwrs/QL3liRStAKbTmlG8nw0z7SUG0Ugn6DXIkbPTdgrm9NowuRgy+aLoWFGqnaEHxopX DSnhGfe3Vhzuso/wLVYipOIpMX/s9Oc= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDEzMSBTYWx0ZWRfX5FPYagIC7RN/ rl8vaQYGXfxEO84bHrlotNPLNMAq9yksLM8jkRfFMdkI6ZZvm3kutEazZzQ5bFlfHB5sMqi3ljv IFNUDvZ9q3p05tYy1rk5H+/fD72Hmb8tbajuVSVkY+DB+m08C2flhlfSkKUxuo4UsWLoWJJ+wOt cuJ/kzh0p/l94s6JS7h/3I/Tx4NIfC7oaKL6EyTYFKflECFiHLHiypgJ81QwZdjleXD4yspUp02 hR8qHPyiBvipLcW9g60glDuVsgkXHXem22YxL2HVv7R6SG6/fMJIYQU/vrWMkldUUay3zO8w2kp iJJ1qjAYmTf4Qj+eeZuWfF/tXaD5Q+fLspq3Xv5jN1uwbPctcNvtGMIQW9aj0YZNLzBFdQ74+aK q1N87AhI/n7KUEM6IIoWQmgssGN7I7grYX9aXoRAe9743pcichpKfHFFxOcTCIDc5r9qreN1/Rl P5QtsItWLeir3zfNcIw== X-Authority-Analysis: v=2.4 cv=Y8FtIReN c=1 sm=1 tr=0 ts=6aa3c943 cx=c_pps a=AhJDvPO6yzy99x9PXTlr3w==:117 a=iwqwCZQqcuTv3JOpYdM7/Q==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=VdqzKS8jKosA:10 a=V5UXEbMT0ywA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Z8NIEmU8O1QQgoT56wFK:22 a=taLDd7a_hP9WKsMzeGRc:22 a=sozttTNsAAAA:8 a=GmI1URznFtpN0O3YwlkA:9 X-Proofpoint-GUID: cnnWB85UqCvWAuFa3nWoLf1yyaBBvi1C X-Proofpoint-ORIG-GUID: cnnWB85UqCvWAuFa3nWoLf1yyaBBvi1C X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-11_03,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 impostorscore=0 phishscore=0 bulkscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609110131 Content-Type: text/plain; charset="utf-8" dw8250_handle_irq() does a bogus RX read on RX_TIMEOUT with no data present, to avoid an interrupt storm. On the IP version used in TDA54, that interrupt storm no longer occurs, but reading an empty FIFO instead triggers a data abort. Add a DW_UART_QUIRK_SKIP_RX_TIMEOUT_READ quirk for ti,tda54-uart to skip that read and avoid the data abort. Signed-off-by: Udit Kumar Signed-off-by: Moteen Shah --- drivers/tty/serial/8250/8250_dw.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/82= 50_dw.c index 5fba913f3301..a1ce00156ae2 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -51,6 +51,7 @@ #define DW_UART_QUIRK_APMC0D08 BIT(4) #define DW_UART_QUIRK_CPR_VALUE BIT(5) #define DW_UART_QUIRK_IER_KICK BIT(6) +#define DW_UART_QUIRK_SKIP_RX_TIMEOUT_READ BIT(7) =20 /* * Number of consecutive IIR_NO_INT interrupts required to trigger interru= pt @@ -436,7 +437,7 @@ static int dw8250_handle_irq(struct uart_port *p) * This problem has only been observed so far when not in DMA mode * so we limit the workaround only to non-DMA mode. */ - if (!up->dma && rx_timeout) { + if (!(quirks & DW_UART_QUIRK_SKIP_RX_TIMEOUT_READ) && !up->dma && rx_time= out) { status =3D serial_lsr_in(up); =20 if (!(status & (UART_LSR_DR | UART_LSR_BI))) @@ -888,6 +889,11 @@ static const struct dw8250_platform_data dw8250_ultrar= isc_dp1000_data =3D { .quirks =3D DW_UART_QUIRK_CPR_VALUE, }; =20 +static const struct dw8250_platform_data dw8250_tda54 =3D { + .usr_reg =3D DW_UART_USR, + .quirks =3D DW_UART_QUIRK_SKIP_RX_TIMEOUT_READ, +}; + static const struct of_device_id dw8250_of_match[] =3D { { .compatible =3D "snps,dw-apb-uart", .data =3D &dw8250_dw_apb }, { .compatible =3D "cavium,octeon-3860-uart", .data =3D &dw8250_octeon_386= 0_data }, @@ -895,6 +901,7 @@ static const struct of_device_id dw8250_of_match[] =3D { { .compatible =3D "renesas,rzn1-uart", .data =3D &dw8250_renesas_rzn1_dat= a }, { .compatible =3D "sophgo,sg2044-uart", .data =3D &dw8250_skip_set_rate_d= ata }, { .compatible =3D "starfive,jh7100-uart", .data =3D &dw8250_skip_set_rate= _data }, + { .compatible =3D "ti,tda54-uart", .data =3D &dw8250_tda54 }, { .compatible =3D "ultrarisc,dp1000-uart", .data =3D &dw8250_ultrarisc_dp= 1000_data }, { /* Sentinel */ } }; --=20 2.34.1