From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from CO1PR03CU002.outbound.protection.outlook.com (mail-westus2azon11010068.outbound.protection.outlook.com [52.101.46.68]) (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 5967F2DF132; Wed, 25 Feb 2026 11:00:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.46.68 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772017250; cv=fail; b=miy7SrUhp1lsnpRpdVneSCAo2QRtGiV5Rg0Oe0bE/nxnIR5swN8IG4Zu6LbuZKVDV7LK9cZtbVq63TlhzsVxRGyvQRhCOyVQf+qpDt0mVvhjHNm1v/1RE/5AOLCdEWtjxX485GFDr75WYpDlYr4utEHrKVuE48l4p/Gouf9Pe6E= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772017250; c=relaxed/simple; bh=fwW2yo4JeusdpnSHMFPFnEq6sgOQl9mUFVbHLdxKBdU=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=m2dKnpjnXRTSE0cKvNTTgeieccwngd2o4rJxLEzba390h4Vdp5DzZaTpM3kH1MpKztc/aPHc2LaOIhpECIDcjEE6dn0U83ZAzgWX9U48GRORgKFOnnHgk2wYZCiWaU2Nq+/zO2tMLAFDttnICxgtTk6uakQRZMHFBmWi2cG3Yz4= 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=JuetxJ+W; arc=fail smtp.client-ip=52.101.46.68 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="JuetxJ+W" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=j9pjLQLOv+eO/a51Fr75cZuZRe9oq4iZNSk54Kov9emFuI/1EyNnHStPPNKRDbmoWnzB0wVF4ZLq8U6a2u1FDa/82S5fpQxvpAVzzyD3gKaWEx1RcqKwuhaSoapeIJbXkdXJNZBXeEIEVkbfmioD9jj2kQAfTXCgXgSnCgSlkq3ioj/MOKtLx8jtglbt3oal6Ww54x9qUPqsHurjctDdeDxqOU8ccj4h6PyuKJ2cFrxJZYQJXf8sZA+ejDnyFwS7ujFu+sv4OayaaVMQ1l0QRAKCJ2dKMuHClEhWW+mIO1vOqfoeMnZSi+DH0AzTfOCa4Rplmj4gD27390hFKk+CNA== 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=Y63dCRshxeD1M2WsxY0iWWNLdYQprxe6+LpIv9aFI+I=; b=WNv4kUXt2T166sHtA4mX2YvcAQSMoGfzFaGkMRdYM4gHeurvnafLwqcjHc51KImYlcqcFNwXTJjxCVgYkzRNgd6AW/onB11D4FRetzzEXLrbOB4KFjsjdCyJJaMaBP/iyrWiGhJ1pECXDC1lplQRkbwLCRye06ILLGSEZbYB5b+DjbX1d+HltJOaNkYXOofQl2SBj5J1B6AdjdKd0HVVm0CPCELhW05gpeHlc71ox/RezZ656TT9G8mTytX6INjndnyeg1tngi78D1GPXP3o7gFfnrpAT/yrczYIB4C7iobr8D1e6tHOLQPkZDUdOL+Bt0hqcdHeMI+084qsIuiUaQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.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=Y63dCRshxeD1M2WsxY0iWWNLdYQprxe6+LpIv9aFI+I=; b=JuetxJ+WWybT3+Ufj6cnz/ac77BAmwWnKhps00ggt6HF8VCT8GWh8/Be53CGzk1OSuCgNS5AssS1bAkYm9VM6Nd7P4/cJHcK46F6CfcbJm2/Fjv1gfC2t5wXSlGU7KExymxOXYhsg0g6g+FGKpD6lUB+GN5PVp44dsQvFT1dtBE= Received: from BL1PR13CA0072.namprd13.prod.outlook.com (2603:10b6:208:2b8::17) by SA0PR12MB4461.namprd12.prod.outlook.com (2603:10b6:806:9c::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9632.21; Wed, 25 Feb 2026 11:00:44 +0000 Received: from BL02EPF0001A101.namprd05.prod.outlook.com (2603:10b6:208:2b8:cafe::c5) by BL1PR13CA0072.outlook.office365.com (2603:10b6:208:2b8::17) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9632.22 via Frontend Transport; Wed, 25 Feb 2026 11:00:20 +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=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BL02EPF0001A101.mail.protection.outlook.com (10.167.241.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9632.12 via Frontend Transport; Wed, 25 Feb 2026 11:00:44 +0000 Received: from airavat.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Wed, 25 Feb 2026 05:00:40 -0600 From: Raju Rangoju To: CC: , , , , , , , Raju Rangoju Subject: [PATCH net 0/2] amd-xgbe: fix S0i3 suspend/resume issues Date: Wed, 25 Feb 2026 16:29:59 +0530 Message-ID: <20260225110001.1000014-1-Raju.Rangoju@amd.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A101:EE_|SA0PR12MB4461:EE_ X-MS-Office365-Filtering-Correlation-Id: b6c78317-add1-45bf-bad8-08de745d1f76 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: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 0qM66roHo+eTgVqbVoW+1qv4dsrwERveMsOBjiBVVPbTZU3hRTlENmkQOaGJfkFWDI7DvqNiXJFchaZxie2TnPPClvJloL078TqNIQVBE20vNsAWh5CEpfe3TpiJXJsiIJOKweb0Fldiehp7+s2TpRIYpFHyYZoOROnkOSIp/z6keCn1aFlrpjwmCT09XaIzrI3eMCU4knAyRaBWDQ1Ig5ChWH2RHgywG5cY0yw/ZADtV8SHEMWUqgHnyzXX+e06R1nWtCWV3Kqv5W/AJfWyH62zXO+dldOvL9IEJTdc7N/a9POJX6qi+YJB5AG2SQghbfN2Q+Gh+6vDvsX45GPM+rFfnu0roE55X9yQ0Wpld2eaXWOsN9vuCctMbiTeZvjjWVda7Pc2Ra+BnTnxywJBzbNepcZkZCOjd4tI+9SlXEZylODQIOKrTOe+93pLmMD1 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Feb 2026 11:00:44.1490 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b6c78317-add1-45bf-bad8-08de745d1f76 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A101.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4461 This patch series fixes suspend/resume issues in the AMD XGBE driver that prevent proper S0i3 (Modern Standby) entry on AMD platforms. Fixes include: 1. "BUG: scheduling while atomic" error during suspend/resume: The xgbe_powerdown()/xgbe_powerup() functions call napi_disable() and flush_workqueue() under a spinlock. These functions can sleep, which is not allowed in atomic context. 2. System fails to enter deepest sleep state (S0i3): Missing proper PCI power management operations prevent the system from reaching the deepest sleep states. Patch 1 fixes the sleep-while-atomic bug by removing the unnecessary spinlock from the power management functions. Patch 2 adds proper PCI power management to support S0i3 by saving/ restoring PCI state, managing device power states, and properly handling interrupts and bus mastering. Raju Rangoju (2): amd-xgbe: fix sleep while atomic on suspend/resume amd-xgbe: add PCI power management for S0i3 support drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 57 +++++++------------ drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 49 ++++++++++++++-- drivers/net/ethernet/amd/xgbe/xgbe-platform.c | 4 +- drivers/net/ethernet/amd/xgbe/xgbe.h | 8 +-- 4 files changed, 68 insertions(+), 50 deletions(-) -- 2.34.1