From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0024c301.pphosted.com (mx0a-0024c301.pphosted.com [148.163.149.154]) (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 7D176288514 for ; Fri, 6 Jun 2025 12:35:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=148.163.149.154 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749213361; cv=fail; b=N/tuKVAW+BK14GI3u9zKlytmst7kiWwqOp+WonJJEWsYb/2LiN3seJ2Jm9b1L6tsqNg8A6erNb+LpM6kP+lAx9Q3FtXN9ntw0RPtIwNWOJh4SpLZzM9FUlUmbu0mahOKbbFdR2cxoCBu2kltE5iJ7YUuvQN9HVCYRzpkLDDfXfI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749213361; c=relaxed/simple; bh=bC4aKficXzaqwezxg4SHSZHpxo6If9vmxOTmagnv1GI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=bbsZCvBjY/c4qH6AQRC9BY6/28EaVJJb9VQqOO7NT+UVIBKxdC5kb+aho+GAJuSD8bLYXJEKR967oNeS83VuGnaNZkUi0x0czX4fVe1v8HIC0/7saPSlb235a5ttfLa5AbAuDKiS/oKl5pAhhpgZRJwUICBzaSvuaVthNHUjQ54= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=silabs.com; spf=pass smtp.mailfrom=silabs.com; dkim=pass (2048-bit key) header.d=silabs.com header.i=@silabs.com header.b=HC4OH4e0; dkim=pass (1024-bit key) header.d=silabs.com header.i=@silabs.com header.b=IF3dNaLl; arc=fail smtp.client-ip=148.163.149.154 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=silabs.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=silabs.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=silabs.com header.i=@silabs.com header.b="HC4OH4e0"; dkim=pass (1024-bit key) header.d=silabs.com header.i=@silabs.com header.b="IF3dNaLl" Received: from pps.filterd (m0101743.ppops.net [127.0.0.1]) by mx0a-0024c301.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5561VcDd023024; Fri, 6 Jun 2025 07:13:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=silabs.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pps12202023; bh=W7hv7r6dXgbqB0zXDOKoBr+qtXFAx7j1Y0kLyXJc0So=; b=HC4OH4e00Dft 1L6FW8BYwFGnNksOMzP4FcjE2tzcIOWF3HtXfPBmY9r0hndMnQpK6IkWwLgeyrLB g5Da7ROb/RzFqA+J80fbDfWhdsqJ/dlvpocxcvSy07FyxzgdfGdoNa4oK96xTG9l 9aAMl/XAAmgvmGG8v+WxhXghhQbGzmt7J8aoY5oUrwwOj/F3SzfrX0LzqMmhGn8o 5i/ueTKi8loZrSNzsWxUfoQH1apokpF/rBEFXkHu6ONXXorXWMRQ5/qQ/2Xf9Hkg hdtgRMKFWgH2gEVapXXLJADHLYZmduI3TR/SEVz2rn8LmSpWZ/gdjJedzshBdGfu iLeuMaFNsw== Received: from nam12-mw2-obe.outbound.protection.outlook.com (mail-mw2nam12on2102.outbound.protection.outlook.com [40.107.244.102]) by mx0a-0024c301.pphosted.com (PPS) with ESMTPS id 471y3f7cf0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 06 Jun 2025 07:13:26 -0500 (CDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=HtMmCHPwnL5oZ1OZEwhDlFFpL/z7DozKc+swd9GhEjKYIVS4g0XbYz7BZ6KFBnHP00caH04O64cXPVgERtNrFXSHCbzo43A+hebBERXwKp4Rjc1+wIx07TxIa3ghnYqD/fvEcMdAbksoR5PqguJOj1oSP35363d4CN8IhK1Yw5V36QlMHd0TwZZ166fXP3/JS6ZgAGXOCX6HwhfX2XEqlZJCrqRRTjgeDjGSohCD3KBLNyMfG5rW4ST7FG1VAB9oJo6mtXisu3rVMHwSdZEpMnNB8umKPWYtVz71JiyrYz/64onOC36CZLwtBOvXlKC/NEiE1Rjz6aj9mSUD29bo9A== 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=W7hv7r6dXgbqB0zXDOKoBr+qtXFAx7j1Y0kLyXJc0So=; b=sXgTkdOCyPwR0iE+wjXcOrdOQmdWhky+SgRqim9Mt19S1HsN6Yx6BKMys+bf2X9RCHrauUxWMSroqAU4QT0fGhT/TAg51R60B5nvM3ardqidJMYnSsr5ZH6Q9Jjhz8RmvBCXPAl2fBqTVZIC/oykSTlNtcT2i/qJAXBZmMJzFYDPH3fhsWWb6ACSexwh0Ng08lu7qCeUsb/+Ip27PjcE4pUEPOWnTKKyG1QtCW9QMWLQr4QYgpspQzdOVpx2XUlKfN1lZW1oVKZCotzTJX6ti5jGLP01/MhbXFF19s3loZH4kDaMrMwAkWMyCJHGc3fEEk1mnSL4A4yaXmRJx61N3w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=silabs.com; dmarc=pass action=none header.from=silabs.com; dkim=pass header.d=silabs.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=silabs.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=W7hv7r6dXgbqB0zXDOKoBr+qtXFAx7j1Y0kLyXJc0So=; b=IF3dNaLlpFoVt2zhHmp4ThyeznrJ9GtgPv+sAUP6Oh+WeJfp5bzX9F8pNLT1rcES9RLDvau7RJz00lrrZUzjxykh5vzWr7qwMbJflKebP2SyO/4CdYIOVNEN3Ez0HRYWJqWRKh3SE0fVhLLDiSbP2TkxmjdP/07K17V80lX97eA= Received: from IA1PR11MB7773.namprd11.prod.outlook.com (2603:10b6:208:3f0::21) by SJ5PPF2F7FC4EE6.namprd11.prod.outlook.com (2603:10b6:a0f:fc02::81d) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8813.19; Fri, 6 Jun 2025 12:13:22 +0000 Received: from IA1PR11MB7773.namprd11.prod.outlook.com ([fe80::e78:8cb8:9f49:4005]) by IA1PR11MB7773.namprd11.prod.outlook.com ([fe80::e78:8cb8:9f49:4005%2]) with mapi id 15.20.8813.020; Fri, 6 Jun 2025 12:13:21 +0000 From: =?ISO-8859-1?Q?J=E9r=F4me?= Pouiller To: netdev@vger.kernel.org, Petko Manolov Cc: David.Legoff@silabs.com Subject: Re: wfx200 weird out-of-range power supply issue Date: Fri, 06 Jun 2025 14:13:18 +0200 Message-ID: <2328647.iZASKD2KPV@nb0018864> Organization: Silicon Labs In-Reply-To: <20250605134034.GD1779@bender.k.g> References: <20250605134034.GD1779@bender.k.g> Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-ClientProxiedBy: PA7P264CA0338.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:39a::29) To IA1PR11MB7773.namprd11.prod.outlook.com (2603:10b6:208:3f0::21) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR11MB7773:EE_|SJ5PPF2F7FC4EE6:EE_ X-MS-Office365-Filtering-Correlation-Id: d343156d-5789-4b2a-99d1-08dda4f387a5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|52116014|376014|38350700014; X-Microsoft-Antispam-Message-Info: =?iso-8859-1?Q?CiKTdG+G68GwoG55GMti66LWUoEJKpWqpnpoReriiVVPBKsUi3lrg+HPqa?= =?iso-8859-1?Q?ImM8Jd5k3xzP8kqRoKpcpF8eKWaK1q7EdSc57LaWBUnCk+WyGT9togN1YY?= =?iso-8859-1?Q?YLbRjSUXCumcthvxrpmswe2L3EYBceuf7NUEErbnbV1+kwvGPhaHPvok12?= =?iso-8859-1?Q?65I0FKUhwMhA/5XADWFGhPvvRoystuQiJgIWV1NPDQVOydGEaMPRYLvqNw?= =?iso-8859-1?Q?Lzm5US5Ok5DT3eytMg71RBDJxFaJBK2tKSJ0f6/Z6j25Z1+2KfI5Svv/t8?= =?iso-8859-1?Q?V01bcHvJq0VpljxpKoQSkgy1sssEj5eqt2KQSqDkOWqNjx8+IcTYtZQGwX?= =?iso-8859-1?Q?QGgRpjkZmfhHZX4mjrJCMO7I9WEQwBL1CxhgeLAYfDpnjLqGC/LuTkG3l7?= =?iso-8859-1?Q?uVUowM06jnsye/MNmdLYZuOe6nm1UsCHnWOOOkFpwsv/ld25sGkNMoovfH?= =?iso-8859-1?Q?RuaHiDpXlNAlH+efxgS5+jUE/MenV3Iw7uREmImZkVj3gsJrwuXmzddpUj?= =?iso-8859-1?Q?ozZNZfQEmrqS7wZ+8xsFP5qH9WKU+WK7I7M5bx7ceN0fGf1fZSm3iJAURC?= =?iso-8859-1?Q?CPbvs6N6/gAW3Ysaxg2r2G1leZqamzBmkq/m3n/okkW2i7BVEhH4s+kwcT?= =?iso-8859-1?Q?ZrExmCN7N165kHg3B7cNrH2FQeE8Kyj2atFMIWG23FRJhUxH417Qa3Rk7H?= =?iso-8859-1?Q?NCHiGQL9tx9pFsAR8Ukrk+dXLoFEntAViE11TmN74Wjd+KgRrjKbgmqoLj?= =?iso-8859-1?Q?oAzfNuei7E2HKxRM5guG/8YYLmUKppeC5pkALfh5Es4iy4pk62fW6c8we7?= =?iso-8859-1?Q?GBctKbDfXfF/Jh7wCFl55oiuy2y9gR3Sk1tnC9ygBghhhN3kHFQsOCc5yk?= =?iso-8859-1?Q?hChjwbc1akvec3VwV0v4IgC3btplpifuHTe71fFMdV7CETiMzD4y47a5Fl?= =?iso-8859-1?Q?wRM3YEnIByTeGdu9eibDAWwUPGEhHFpmg8/VOej2XBq1DW1aUPiT3PLFwU?= =?iso-8859-1?Q?KeHV4u1HB5yELaoNXUgpOuRhr3wzM3jFFndG8T1dPIWt9ryyypePycisxl?= =?iso-8859-1?Q?F1ObYqGZFPrzb237IKDifgzoMFGxkIwty4CZ8+pc5o7hP/Z5U56hIi9ngx?= =?iso-8859-1?Q?yHNgJiNddvKe8wAsJyjQZ35ahOhBETtJZL05+vRp1yiX9ROPL+FPbJAqCq?= =?iso-8859-1?Q?YIZrFFlnf5CvWlSK3QmM5re4+p0pMruWr7Tdd2Xif34a9DSLHndd62n30X?= =?iso-8859-1?Q?adN+eAjPDFdPSsAFvUYcSX8801B0ZRVOhVgq6rJEJIBW4hW9MWvR5v526S?= =?iso-8859-1?Q?WOJyoo8s/IqotBtXfr9r4826Fysf43ORpXks4gOWesihnaF9zW4/d+CvJa?= =?iso-8859-1?Q?AdHNn34LSKoWQvuHbGmr7TuCHLmYyDORK4XCgUb3knjRwBYddXnbeFXe1T?= =?iso-8859-1?Q?Cnz2Cv2LniO00Js3tEcii0aU69Y+WKJ0MS4WKDIOu/rELAStQIuJNFN0/E?= =?iso-8859-1?Q?cHyVSKo/PvZKzqj/cZDwtSv9gIH1PZaY5I7kqzhpmXzF52buFhMf+9k5vL?= =?iso-8859-1?Q?r/Zfkx8=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:IA1PR11MB7773.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(52116014)(376014)(38350700014);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?iso-8859-1?Q?Ti+eA5wWAMURygfDqjj+FdRyKmnLn1MekKfs4pJGp2k9R4HzDmUP9uDkR+?= =?iso-8859-1?Q?wM90RC550LpKx7+H2mWK85yVdvQ2y2koOos0amU44uNgglbL3ELWhibq/v?= =?iso-8859-1?Q?mU/U6UfbgY7lV/U/6bIRrK+f96TJtb84NI0/65asXHRfBzowcQf55cEw3r?= =?iso-8859-1?Q?xZpcHuHMITLjSLiMA4NoEA3OwJAkGvq5j+Uqpf+mK/fYsG4b/13ewGGGmb?= =?iso-8859-1?Q?uwyjE979/leiCqCGZKC4+935l5kCSVbaKYWUZlG0Qo0Vb4SM6MPvWx+Ve1?= =?iso-8859-1?Q?8E6Dx9tFKb9gxtwgqgDxMh1ul4Rf9qvrgMnkHqCc87h1INKP/GhqYVfTTu?= =?iso-8859-1?Q?e7DTgsu+rjY7YJZwGEmsWMySL8f+sag6YJMAVBGeyNBBk49NoSqIuGAlQ4?= =?iso-8859-1?Q?01p96EkmJ+xw/2DT4k+Np+iatuFAH9ncIFGRp0oslpDbAcrG2asXoCpCMm?= =?iso-8859-1?Q?4etRS7ZiNKGx9o3MYg+PLbl7ZmGJNX2RwOiFFVllN8GYGsNbq8qhFvHk1q?= =?iso-8859-1?Q?lKotmNzHIVK7PxUjgYI6MR4Ug4vroyGMCMFy/K05pJD1LeQgtKs8pyYRYG?= =?iso-8859-1?Q?PMpCJqlpW0gdou2+TidclRt2xWIILJoaSQkME3HcUtpjx2Tf2wcLu94ZdX?= =?iso-8859-1?Q?Hyi9/gTo55//of/VyCMv1GCEY70qy+LIr4jmsAcPkW0FAFajZlUR2TUdK7?= =?iso-8859-1?Q?Bh6kZbqkKwSYe6waKKwlMGuJ2qEU/Ro6PD1bUmJBW7a1/esluTqZGs1Eq6?= =?iso-8859-1?Q?UZuaSUHLeq57zbEewnJBphO4fO3IN5Tv5hve+e6wkDopyRCv78btHmTnga?= =?iso-8859-1?Q?ZHfIbljuX+nPEcnTy2FZOJVh/55SnlsPa9yD3+ovriz8jgM7mj5PvtFpBf?= =?iso-8859-1?Q?fVwLZFLidr97ZOLqLqNddPvK4yk4v2R/OrxbkWY+ZrsGSjTpCjKnuhPqT/?= =?iso-8859-1?Q?wez5mVwY37zyBvyJzEccnoRtX6Q1kWAYja2l3pTFXRtaufG+DkmCW8dlew?= =?iso-8859-1?Q?8NejYwQqcSQvDBI4k5IAs3yXqxyE7MDZe/Ffl0dk0RJqnU/ueFUspqBpdF?= =?iso-8859-1?Q?et2ZV9xrPoTfShpvx26kri6cBERQto/Oq5DCLl/UqST7WV5JfH/L+NQ3of?= =?iso-8859-1?Q?0ERtnmAEi6n6XLIwv48lZFKYNnAIzv3pnnmC20wlp6UZRyWFs6vdMXh90y?= =?iso-8859-1?Q?Jb0ZqLTMhiiZQM42vRvrxaAq2Nj+HP4W/HFHXVAssdNvf3Ks59vH9jI1Na?= =?iso-8859-1?Q?i5dwPyg2p+hF57dNxCCD9PAKhNVIlMcVRrP/6nKyHvl5E0IEBXvEOBX1Bz?= =?iso-8859-1?Q?ECEw/nqEIS1uo/UL22RppSNpv7Dsr2grSxIj0ivokaHMETgOXSLrnJglGX?= =?iso-8859-1?Q?EVE4zEPoL8k0uPEn9XXLQraRJcc0Un42hqKiN66ew9PvtaB+UBLBi4P82F?= =?iso-8859-1?Q?C4xg+MvRgyL3EybAAN2xCDZGFMltbNC1/NGnC2dQcoUmts+bK/+Kk7ODjO?= =?iso-8859-1?Q?Pym5P2gX/62Y4AUP+4+mt+tr9O3+OaeXF6O4gdGPmn8ReXR7ihAQM/EBJs?= =?iso-8859-1?Q?6xdg7mP5TAxbxOueJzIgErY1QZ6gMuwpy5byk5j3SdLxU5oaeP3ThjTu0S?= =?iso-8859-1?Q?xx86rwjBVrshvBeczE6aXpP3ZTlWUn+dJt?= X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: d343156d-5789-4b2a-99d1-08dda4f387a5 X-MS-Exchange-CrossTenant-AuthSource: IA1PR11MB7773.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jun 2025 12:13:21.7967 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 54dbd822-5231-4b20-944d-6f4abcd541fb X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: LWOvdGOUoj0i6Pi+NPQwvDFfUs9pfXQbb3Q6JtVhz4HQg43z8cf//lsQUj7hn3LPN2HiarD8QwqSYwokK3sfUQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPF2F7FC4EE6 X-Proofpoint-GUID: FkmYDSGQrqoRe0JuNWrtffVayRL4CK1I X-Authority-Analysis: v=2.4 cv=Qdhmvtbv c=1 sm=1 tr=0 ts=6842db66 cx=c_pps a=9gLQ5x8al0JNtgwQaIz4mw==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=8nJEP1OIZ-IA:10 a=6IFa9wvqVegA:10 a=LLPZWm0_0O8A:10 a=i1IsUcr2s-wA:10 a=YaDLGZMsjepbsrSaYhEA:9 a=wPNLvfGTeEIA:10 X-Proofpoint-ORIG-GUID: FkmYDSGQrqoRe0JuNWrtffVayRL4CK1I X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjA2MDExMCBTYWx0ZWRfX4/8o2+jHUQis ctFWX7fTxBNtvZLKYoiWCabzkT9fQW6X9bIyNVeMOG4cB9SVBmvIRrqhfUt8sisGJKd5CU3hrkJ 31DAgB2tbjpNAlu39eqG75Jo8MX3oG1rcIW/7fblhQRurwNiBRZCpDGsQn89DU/Hc4c/8LYzKmZ 0T5N+CAi9qjhjiOlwquy6WOKhXGXiKUnpeNhZcb0GwQ1q+zu1DqzdCbPGCJaL9GM5sZVrtlfpn/ xm2zefmdyD4VIUhZRs8U6tsxj15EctSl8sTGXUBKvERlHHGqIIimHGdPcSlpsohiYLJ9caB0BMu vp+uL25DWEUXssOpZEgY+dDLfCu0X4P4VpR71rzMpozFgad0OpxPL3AHhgCW31PNe1suycEXrnt TC2wrld4Ql8mgVyKpuI1R1UuvhBwWguKitT+kgf0/M5SwV3N/gnL98I8g+seRJ2wCi+rcVvk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-06_04,2025-06-05_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 impostorscore=0 clxscore=1011 malwarescore=0 adultscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.21.0-2505280000 definitions=main-2506060110 On Thursday 5 June 2025 15:40:34 CEST Petko Manolov wrote: > Hey guys, > > Apologies if this has been asked before, but i've searched and didn't fin= d > anything related to this problem. So here it goes: i'm upgrading the ker= nel of > a custom stm32mp15 board (from v5.4 to v6.6) and i've stumbled upon this = when > wfx driver module get loaded: >=20 > wfx-spi spi0.0: sending configuration file wfx/wf200.pds > wfx-spi spi0.0: asynchronous error: out-of-range power supply voltage: -2= 0 > ... a bunch of "hif: 00000000: bc 04 e4 15 04 00 00 00 ec 00 74 76 f7 b7 = cd 09" like messages ... > wfx-spi spi0.0: time out while polling control register > wfx-spi spi0.0: chip is abnormally long to answer > wfx-spi spi0.0: chip did not answer > wfx-spi spi0.0: hardware request CONFIGURATION (0x09) on vif 2 returned e= rror -110 > wfx-spi spi0.0: PDS:4: chip didn't reply (corrupted file?) > wfx-spi: probe of spi0.0 failed with error -110 >=20 > Needless to say that v5.4 kernel setup works fine. The only difference w= ith > v6.6 is the wfx driver and kernel's DTB. Now, i've verified that wf200 i= s > powered with 3.3V, in both cases, so that's not it. I've also lowered th= e SPI > clock from 40000000 to 20000000 but it didn't make a difference. >=20 > By looking at the driver i'm fairly certain the above error is actually c= oming > from the wf200 firmware and the driver is just printing an error message = so i > don't see reasonable ways of debugging this thing. In short, any suggest= ion > would be greatly appreciated. I believe you should have a trace with the firmware version (starting with "started firmware x.x.x"). Could you provide the firmware versions? The issue appears when the driver load the wf200.pds. Can you provide the wf200.pds you used with 5.4 and with 6.6? Normally, you can't use the same file since the format has changed in v5.17. --=20 J=E9r=F4me Pouiller