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x-ms-exchange-antispam-messagedata: 9u/7MFcy8LbGDo7jXIUu/t63miz/XrbjB98LOxvJs8Jy+8rTEm5jo4Go3V3SETPT2LP8H9f7GRNiKQnZ1aXIG2VevVDCAkzUTKS7sBaS5ichpAycHcA9NB8O828agh7y5SMgt3jc96q84Tg4Of4wg2aytmM7e6hUTuLouRIbQ67n9iszMN18BFuYshsdQ49mDr34Bu9iXdD6PFlTihTVbvFPnLzGBgZ5H929lFj4sWI0Fez34D3zFJK4RclvRYGEsZaSXc5Q4TwPDniNrRDoo/5oiUibKRyyIdmgKBpprTyjupx2DQiMkejlKoTXZKF/oSC08b71zD2vgUTI2lRP9cc0rOF2KIGzKwee78ODv0f9oJDLCjv9JDTorrh8H6fFEEJlbEgNNSrOfDtMj85k4cLmqp7fH98qopuRwKHtxJKxcCh2shWL0ISASlvzOTmEet7oCoP73IZEFTwLxau8/LM/ZcJLAPfwH8GMZ2I5Ft0= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-ID: <9C6307D1A301AE4E84151514EC65B030@eurprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f89e7640-8e33-435f-0bbc-08d80624f062 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Jun 2020 12:11:39.3665 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8CWVjOT5vYQDZwWFCKRzX5w3K3TLjIBj5QLTk+Vj49J6jxLMspmFtp9UoC2EnWh5hzEtwHCi/O3y7zD7tpZICg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB6903 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hi Pawel, At [1], you talked there are some issues for current code, I checked code today, but still have some puzzles about L1 operations for ep0. There are three L1 operatons at ep0.c, I could understand the one that enable L1 after set configuration, could you please explain the other two? And if there are something we need to fix? Thanks. [1] https://www.spinics.net/lists/linux-usb/msg195117.html --=20 Thanks, Peter Chen=