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Tue, 21 Apr 2026 06:49:08 -0700 (PDT) MIME-Version: 1.0 References: <20260420-usb-dwc2-usb-c-stick-v1-0-c86f733f24f8@pengutronix.de> <20260420-usb-dwc2-usb-c-stick-v1-1-c86f733f24f8@pengutronix.de> <439e4d93-0b31-41a5-93a4-3e0456e60a7b@pengutronix.de> <22ce3b8d-b01f-4566-895d-c175c33a7e26@pengutronix.de> In-Reply-To: From: anis chali Date: Tue, 21 Apr 2026 09:48:56 -0400 X-Gm-Features: AQROBzBG-YYhMgaypm5gSyXqLMQH8N4IT0Fj9UAHFxL4ktx3vrCxm7T_wI9XGqM Message-ID: To: Sascha Hauer Cc: Ahmad Fatoum , BAREBOX , "Claude Sonnet 4.6" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260421_064909_216362_D48AAAAC X-CRM114-Status: GOOD ( 20.04 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.5 required=4.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FORGED_GMAIL_RCVD,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2 Subject: Re: [PATCH 1/2] usb: dwc2: handle NAK when CHHLTD does not fire X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hi, Le mar. 21 avr. 2026 =C3=A0 03:54, Sascha Hauer a = =C3=A9crit : > > Hi, > > On Mon, Apr 20, 2026 at 10:28:58PM -0400, anis chali wrote: > > Hi. > > > > On Raspberry pi cm 4, with only the patch usb: dwc2: handle NAK when > > CHHLTD does not fire, > > the usb controller does not work and displays indefinitely the message > > below even if no usb storage plugged in > > ERROR: dwc2 fe980000.usb@7e980000.of: Timeout on bulk endpoint > > I did the test with the patch series and I get the same behaviour, > > console continuously displaying the timeout error. > > I just tried with only your patch applied and it doesn't work for me. It > seems there is some timing issue involved, because when I add debugging > output at the right places then it works. Do you have logs, to check whether I had the same ? I got the same behaviour when I added debugging messages. We maybe try a combination or add the retry. > I haven't gotten further so far. > > Sascha > > -- > Pengutronix e.K. | = | > Steuerwalder Str. 21 | http://www.pengutronix.de/ = | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 = | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 = | Anis C.