From nobody Fri Dec 19 20:15:32 2025 Received: from DM5PR21CU001.outbound.protection.outlook.com (mail-centralusazon11011017.outbound.protection.outlook.com [52.101.62.17]) (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 3699412B94 for ; Fri, 7 Nov 2025 18:11:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.62.17 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762539082; cv=fail; b=gttGoEr/zQMrpVp1Lsh//59t4HrgA6jZd5TRig3AXG3qlfz+k+TehkGpwtzGAKBd9ujIMZk8tHtqwD9RpjUKl1B/bDgL2azNjQ/LdO9U1MvtSR3UW+ecpC+cJslygzS+VzG8gcJAqtDOY0UZwumU0rmkUro3jTfDC8J7Ehc7wOk= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762539082; c=relaxed/simple; bh=G0xacJGYF/EWTmspe9nnN6qBWAwj1sIBWEpuH4+bnWU=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=U1MNPSNScFQPusHtn/OFwatDDQV6dnAHxYfRWmpzEWkv9jXEfvJR3m6KZeD6fhh2QvpTnMReb0ZpIN/6ym8agA6RXzNIsB+pKQtsrLkYRxmUo7etbbwMECDViMJ5WN5x3wFnN+x4OyoiEFK18OiVnCtc1/ot/WSkOUtv/t72hSQ= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=jW9nTRKG; arc=fail smtp.client-ip=52.101.62.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="jW9nTRKG" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=I04Tgfhy5Kgrf0kPJUMxzW3oJ7xATXHR18o20IAA8sntX+W6o1dcMS4WcepO4K6lEgtJbj30tdn2jC8cBGw21NEiooYAA/gJpuGbAF6CjI20YHEzJI5K//3N8EHZbQ8kdC2Z/RtwBdta7lNEhcSWNsGwsJWqXy8lkUk5yVmHkp1l+pWfRVxuQStUPsRHrHuxuqtGc7NWak396dfKpKO26poSq2VFlvFR0W0FTHfJVrJFYiG3HYRfBjE8ABrYmmiaN737oz2wLLuvy/MpDshmilT/ZBi7yuO9cDCjAiqW9ZqVgtf8Y3OUx6kRaYa5GWclC8i2Xe86uL7CbyJVcD/Few== 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=BRtRUxEHPAOUWt6rXL9LZA/slwG7zJxJMRF8CWShZJo=; b=TgNgN0VA17buFCvXwhE2/b+WtUoKBS9H10d3cMHD6A0JWDP206Ulru8psDi8n9FmJxAkbTYqR9i0IpNCKWiTG87ZV7pVy7GbHNd8B4bp89v2Wzoutj3MnrsOa41eSsGqKmXulPraSqZ94yj/vH5sXtgcn2pxQqb34w9hBqt5xR9e+Q8TDDuDJG47wmPv/lLo79DkWeWxWAFL297NILcyvFjedT7/Otjho9gGFR48nL1rM5w4j01oD4CHuDhb3ihquXqyaSkvwIPXZ5pJtJ+h4Df56F90LdpeZS+u0/c0ShQwt4yUGLW57tj45JzUkP4IvjHPYpgMpkR8w+cUMBOq+w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BRtRUxEHPAOUWt6rXL9LZA/slwG7zJxJMRF8CWShZJo=; b=jW9nTRKG+J2+i1UY3cW/FZRZd6HVoWN3YgQvXabLR0qk0hyG964B/dtOv2g7amhBhZVkbR3g0ABch8LhKVb2KEo9qmNeQy/g4CzdHNO2+rnUKkRP+U8WENYktGUe8CTUoIE5WwsJ6hzj2SEoBYzjbMZuTTg3OOFXr7ndjJjn8ro= Received: from CH0PR03CA0363.namprd03.prod.outlook.com (2603:10b6:610:119::32) by DS0PR12MB8219.namprd12.prod.outlook.com (2603:10b6:8:de::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9298.13; Fri, 7 Nov 2025 18:11:18 +0000 Received: from DS3PEPF0000C37F.namprd04.prod.outlook.com (2603:10b6:610:119:cafe::7c) by CH0PR03CA0363.outlook.office365.com (2603:10b6:610:119::32) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9298.13 via Frontend Transport; Fri, 7 Nov 2025 18:10:59 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by DS3PEPF0000C37F.mail.protection.outlook.com (10.167.23.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9298.6 via Frontend Transport; Fri, 7 Nov 2025 18:11:18 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Fri, 7 Nov 2025 10:11:17 -0800 Received: from xsjlizhih51.xilinx.com (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Fri, 7 Nov 2025 10:11:17 -0800 From: Lizhi Hou To: , , , CC: Lizhi Hou , , , , Subject: [PATCH] accel/amdxdna: Clear mailbox interrupt register during channel creation Date: Fri, 7 Nov 2025 10:11:15 -0800 Message-ID: <20251107181115.1293158-1-lizhi.hou@amd.com> X-Mailer: git-send-email 2.34.1 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: DS3PEPF0000C37F:EE_|DS0PR12MB8219:EE_ X-MS-Office365-Filtering-Correlation-Id: da13d04a-a765-40fa-c3ef-08de1e290c67 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?gwfriBodNF6FVR7nFFWoqLquOHkL+moFZTGGPRNSSpeMtqhD69AgVcMG5p37?= =?us-ascii?Q?N79Up7JS/vpaq1NUBTeb5XG4XAxD0J3dQOCubceAPJFgZtx3RCEAZu0+wJhk?= =?us-ascii?Q?7+ULgInqm0xeRFQnWfBXKDQJJmBkI2bL2NkFAJvgXVJb8fKeyJRKqJNyeeyN?= =?us-ascii?Q?ImEFFwbjfMArcOWA28hjbFzQVDqNkAdP0O9rkZLzkDZMRYN+ZmOCcTtGClxl?= =?us-ascii?Q?D8Gd9fErPRQp3I0F+qE6WURlX0lbUavi0R315rPQZ6F/wkX6btamzr3KmvpN?= =?us-ascii?Q?0XDA83ou19YrPL7dnvde22x9R4+yA4TeXFl6XIBE0COmp5EDTjj7EES9tyY2?= =?us-ascii?Q?X0I/segAwnXKhdwSScMRqKqZAvz7OWbmEXUCFwzoSKUD7D5M7f2KZ+YRNGnK?= =?us-ascii?Q?l2tzsMXWkaXygVDAfNCZta7C5cp166PqXGjn6vNp8FoqzKnO/nBMNDidSgwu?= =?us-ascii?Q?/spdwFELSlgbbnkEn8l1N+/Tj3b0lMGVJRlzw49k/coGHei8dJERCFl9x1z2?= =?us-ascii?Q?W64OtSF4NuvtUdZPTWTmCvI1C5sXyOkFbOKX1eLe7JAei2IUwhW0qvq6bZnt?= =?us-ascii?Q?EzlgfTSUAtPhVWzIFJw4HarrrZuqEwcedGfJgBW1WiE1+yhcxepX5p4qUSuT?= =?us-ascii?Q?fRPseNJ+L6FRMiiWykep5YISGlzDEQkPaTyvhnN1EubbtJJG6zkcL8S7JNt9?= =?us-ascii?Q?6FF/JTCZEUk/LdJHpNQ444gKKPxOisMFz51GM1XCXxzprDJu90Y51Z87iKH+?= =?us-ascii?Q?yf0f9ff4EPQFcBgmosVEJykTj3LhWGsuSlLFCx9TmsXRw74207eglhLBZhGz?= =?us-ascii?Q?SBDKgAgSei/u7bnOhtj+8MUa6UdJzjH1Y6VR/Zi+Tp7BldGzBspg06gg2Cs7?= =?us-ascii?Q?VODRUyRTeGswZhF9T/qMWvbQCBxodH4wpsLIMKXKgcUDyHNVUGUcOK5CR3+N?= =?us-ascii?Q?ZTpGtX7qTp9Uly1tsyoyPVw/4dimli5kvtSP0NemiOrDveQu/oB4vgpUA6YQ?= =?us-ascii?Q?2YLb6YgNNsjxg4vHLbaQyXZKIh+AQDBIuRmimTOamGugoCk8G+K0EkmmD2p9?= =?us-ascii?Q?Me9wnNwaDE0Du9f2FU1SEL2SP5u/WS6cf8Jp+jny5IxV2VJzwiDlNu4feiKt?= =?us-ascii?Q?vh1ulsOdxiOCq5SFbJ2XgdOITcgvesWvnvJZQl5YqyhNdiRt8WKLFFXhdvjW?= =?us-ascii?Q?UaYZidb1UHGp0qzeLuuaQnXm8//8y4s0EGLl5qKE0/+s2hOZ/Psz2NeiGpP8?= =?us-ascii?Q?+S5OrO2IlmJl77TeRiIpWBy1AlsoyvI76+zgjTMMavJY4c7Jt3X0iGJUBIyJ?= =?us-ascii?Q?JowYhsOmCbpPurZqw+OIQgq2zWIgp8FT790TQqNAZ6+sqjC16aulQUvkNez8?= =?us-ascii?Q?dfmo/4yEHjC4NKPPMaXPIscbrSz9lO6um6qMICFY2ef6C+R7Rcqx5pyVhyW/?= =?us-ascii?Q?5++b4PRW0KAZlmuUXwqXGX+G33W0Ip6HAVpUXjBWSeY85XM28bGzsm5do9iH?= =?us-ascii?Q?S8doxt/Fu1fu8HPXuskXtIpZk90x0kx4D6L44V89liRoNjbeXI0GWuclxdle?= =?us-ascii?Q?1BjQG+dcNPJeCUl2L24=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:satlexmb08.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2025 18:11:18.3009 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: da13d04a-a765-40fa-c3ef-08de1e290c67 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF0000C37F.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8219 Content-Type: text/plain; charset="utf-8" The mailbox interrupt register is not always cleared when a mailbox channel is created. This can leave stale interrupt states from previous operations. Fix this by explicitly clearing the interrupt register in the mailbox channel creation function. Fixes: b87f920b9344 ("accel/amdxdna: Support hardware mailbox") Signed-off-by: Lizhi Hou Reviewed-by: Maciej Falkowski --- drivers/accel/amdxdna/amdxdna_mailbox.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/accel/amdxdna/amdxdna_mailbox.c b/drivers/accel/amdxdn= a/amdxdna_mailbox.c index 24258dcc18eb..858df97cd3fb 100644 --- a/drivers/accel/amdxdna/amdxdna_mailbox.c +++ b/drivers/accel/amdxdna/amdxdna_mailbox.c @@ -516,6 +516,7 @@ xdna_mailbox_create_channel(struct mailbox *mb, } =20 mb_chann->bad_state =3D false; + mailbox_reg_write(mb_chann, mb_chann->iohub_int_addr, 0); =20 MB_DBG(mb_chann, "Mailbox channel created (irq: %d)", mb_chann->msix_irq); return mb_chann; --=20 2.34.1