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Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Krzysztof Kozlowski , Jeremy Cline , Ryosuke Yasuoka , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Ian Ray Subject: Re: [PATCH] nfc: nci: Fix zero-length proprietary OIDs Message-ID: References: <20260220112536.100017-1-ian.ray@gehealthcare.com> <20260220133601.53b3b7fe@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260220133601.53b3b7fe@kernel.org> X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PEPF00000016:EE_|SJ4PPFA8BF17EA6:EE_ X-MS-Office365-Filtering-Correlation-Id: 5dd05082-88b5-4ff9-d5e4-08de72ad5ba9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?gj5WOSc/SuPLjcW3j8nss2pHht/zdMqkLGTOZNv4C4rcQ+Y8mgIskVKloGMw?= =?us-ascii?Q?gAPdAgayij92hYdnUsqtDBGhxDOG709KhsYS0SQM9RL8OIOHoFrT5g7mUZzL?= =?us-ascii?Q?a2ep2IyTKNzFnjABGZoF+/Nr8DXOS1IY6vBajjsT1A6hg6yo96k1huV3PeyH?= =?us-ascii?Q?0u5C/KJyTc5JN+RQBEXf2x/BX3dsOokdX8iboB6sOcCcEB79BDVR7R2GmKY8?= =?us-ascii?Q?WlcMGyZLxRSPKh29LAEB7vh5DyPwg+JdfKEFHbMmKFm7oUmIyfi7LAR+Hnys?= =?us-ascii?Q?dzcZrTGa3CmpMMPq6UdKqpPaDvhm+SiC/i5gv/8bXfS7VXmOEGoE11vl5lMc?= =?us-ascii?Q?6gHk1dowULOUs+Pen65SHfpRtU8wpCLQU+VqbqtxcrNpjhcUpa4Y/55XIJdF?= =?us-ascii?Q?VI/f81V//0OnNWClFYKNEOPAeHNiA0gFYnEr2L+Phh4ke3cFUMPLD4iCW8JA?= =?us-ascii?Q?FqctazRGCdfK/frDCKbrknAfgU5NJteXyHv2SKZ9odCtwe4w8Kw7mv0ILClL?= =?us-ascii?Q?imRr2lOj+ObDNxsVkuSeOd4Zy8pbU7YKJ7uiz8yxJI6UgtkDkJeWE/FhGxO7?= =?us-ascii?Q?s1zFVagZ7zcZ0nMe73B/ec95sf8YKyY8QVcvAnVNya+z/SR4T8Rbe+9573/S?= =?us-ascii?Q?RYwSj/mn7oCHAEvHuQ12yOjlt8CF7HXSALGRbxqjtTCaX7cdc1EG69MmSkI0?= =?us-ascii?Q?U2tC9Wc505vrQqnsbzTgLM4V9I1+E0Z6c6a6HYFnl+gsH84Yf4z2UmkqWpCD?= =?us-ascii?Q?4sWXdferOESWmvIrtkouJhJrXeG/Uhg4weUhj6WkH5tDYlWU0/CLmx68cflB?= =?us-ascii?Q?VbsMj9Mx3CJrKxrNVSsM8YDzn/9RzaopMf5mt9drX2KkU5Hc5dJ9IsGSAtrn?= =?us-ascii?Q?7vGeq4mFjkAj9Y7jHxOII4nCKY41Xyzr0cSSX0S/258iFXgpBxQT/pLWTtv9?= =?us-ascii?Q?iS2B2fA5arYcempba32cq4+/sQitRVrIgHps11m0YdVgtillJDFugXuk/boG?= =?us-ascii?Q?ZP98QaQWLvx3dsFQgKJrtVeFdqrHg3uxRa6TswMZVRjh2eZZ/sooA5lzv4zt?= =?us-ascii?Q?jNPdBayH5lBTQy5qeubsL7A0MF5tZio0Ds5B++7bl9AQZGt9Pv5DlHx270e/?= =?us-ascii?Q?40OWjBRXLaNzJO02pDvTAg1cPl0rscP9h6ZpaFWbCMUCfSl2Hh+viM1z0ya+?= =?us-ascii?Q?CUAdbyl9kPuhfRfRgmeBuTZYQjrpHl8FSz39cPIYHVdfAXIdFBMyjKgz/lwZ?= =?us-ascii?Q?h8w31LbAtCBW9BoZ2bciGQ/2/Z6bzqY+yIDhrA8p6OmyeZQe5ZLwwGiUq5el?= =?us-ascii?Q?VlVZ78MkjwDE3mz/t8q6f7DyJID0coY/tz22CAA7f5VzY8dy0sTanbA9gkMO?= =?us-ascii?Q?mBYMrNbLmwHA0taCreGHQC/15S7f0ysKkzkfSVIPQV6eg9eZrzyknnQjBoOf?= =?us-ascii?Q?cq+0LUQlSkKz7PPXJjINIE+1iTqa81WX8iNjs/qCZ1Px5LYz14ZbhuLJa5ZH?= =?us-ascii?Q?DbdY0VByoUQVBWAPilEdL1imevNQJ+z1Fprb4e+ZJE5M27/AnoxdW4YvT5Zp?= =?us-ascii?Q?YB5iErGjmryDuaygDBN2Qfd6shxQckihm3d9Rds4H3ms8C10NDuZHM+55xfh?= =?us-ascii?Q?0S/eb7esD5Ki4yx52xS/ANANZwfxURl6LKrHL4bxR991/wsmM2BrAxDiFVDY?= =?us-ascii?Q?GULQVw=3D=3D?= X-Forefront-Antispam-Report: CIP:165.85.157.49;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mkerelay2.compute.ge-healthcare.net;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: j9RbOaFW8i7oJlca4G8IoWaAHMAIIyLZe+lVjYMIlMViG/QeN8kvOPEL2lIIkuDE7Y6mzJaerjPCgfzxI2CCrbRqPkl26WLqB7zjwnsHgCOOuVsT/E192SESo8ErD6StwCaQzFz2WBjd1KIhVBjQMnkrAI6o/W/LcQ8N114vQM2udSX3JMiCalgPfEcm7diPh+qrKZkbwwjAhqC6lqY7Mjwmmt7SB7vhEGxgjKfUi+sHMQ/nkmauQRQqS7oY2NRcxrwyNKmVJAmOEPPLYWE5GQ8y69LukMBhMYrr1dzoGEF99WCS2q0GNt3prbukfL0sVPRxlwVudD5Zb27RieTMGn3hnY0/ZDIExR98XC7f0HKUICmsYGxIyavwA9I6l9mfyk/wUml7qOe3S6g+ORO9vElF/OYCbWNdM7k3LPcBDHZsvGz9N0Ef5jy2wA5HcYXs X-OriginatorOrg: gehealthcare.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Feb 2026 07:30:02.4424 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5dd05082-88b5-4ff9-d5e4-08de72ad5ba9 X-MS-Exchange-CrossTenant-Id: 9a309606-d6ec-4188-a28a-298812b4bbbf X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=9a309606-d6ec-4188-a28a-298812b4bbbf;Ip=[165.85.157.49];Helo=[mkerelay2.compute.ge-healthcare.net] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-CH3PEPF00000016.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ4PPFA8BF17EA6 On Fri, Feb 20, 2026 at 01:36:01PM -0800, Jakub Kicinski wrote: > On Fri, 20 Feb 2026 13:25:35 +0200 Ian Ray wrote: > > Before: > > > > -- >8 -- > > kernel: nci: nci_recv_frame: len 3 > > -- >8 -- > > > > After: > > > > -- >8 -- > > kernel: nci: nci_recv_frame: len 3 > > kernel: nci: nci_ntf_packet: NCI RX: MT=ntf, PBF=0, GID=0x1, OID=0x23, plen=0 > > kernel: nci: nci_ntf_packet: unknown ntf opcode 0x123 > > kernel: nfc nfc0: NFC: RF transmitter couldn't start. Bad power and/or configuration? > > -- >8 -- > > FWIW the last message in "After" still doesn't sound particularly happy > so it may be worth explaining why this makes the device usable ;) The theory here is that we use +3.3V to power pn7160, but maybe the evaluation kit requires a higher supply. We will test and confirm this before sending V2. > If there's more that needs to be fixed for the device in question to > work it'd be best to have all the necessary fixes in one series. > > > [1] drivers/nfc/nxp-nci/core.c > > [2] NXP_NCI_RF_TXLDO_ERROR_NTF > Thanks, Ian