From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 21 Apr 2026 09:55:30 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wF5xC-00Edp1-1v for lore@lore.pengutronix.de; Tue, 21 Apr 2026 09:55:30 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wF5xC-0006Vi-2Y for lore@pengutronix.de; Tue, 21 Apr 2026 09:55:30 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=K7FRo65+PeOrEUtT04RpigXDfPTD8sCuMcvTnPHwJS4=; b=3miQGRQ59V8OmxsnNZeZRkgULn 9NPBx78SulmgTh2qOMpzG16bK/anq7F9igrhrvP9nTy0RRHWNN6jO4kEOxxUDnNwHdP3hrd7/AN/8 DC0Zqtx1AymCGeCcHALOiwdrZBkWQACdTwybM/Zx3IZWYIOgThbhOjf2gkkpYJ2hbMQdWRmA0BRSI avtsOeklmXpWM3ZZ3F9h6fLRMfQFuu+IaqmHDKARaJmjA2g3SZ2aU3rPMlAG5EfAaqk63bB/WDqpv 2eSapF5ExRUV9fBQAOk6uFu9fSiOoszKPfOsEGoolN89/FwzcXsoxeQI03XmioA9RI/inFerfJDbo Mp1FzrCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wF5wZ-00000008DSk-2fOL; Tue, 21 Apr 2026 07:54:51 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wF5wW-00000008DSH-2NoB for barebox@lists.infradead.org; Tue, 21 Apr 2026 07:54:50 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wF5wS-0006M2-Cn; Tue, 21 Apr 2026 09:54:44 +0200 Received: from pty.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::c5]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wF5wR-006T1J-2e; Tue, 21 Apr 2026 09:54:43 +0200 Received: from sha by pty.whiteo.stw.pengutronix.de with local (Exim 4.98.2) (envelope-from ) id 1wF5wR-00000006HWS-30J9; Tue, 21 Apr 2026 09:54:43 +0200 Date: Tue, 21 Apr 2026 09:54:43 +0200 From: Sascha Hauer To: anis chali Cc: Ahmad Fatoum , BAREBOX , "Claude Sonnet 4.6" Message-ID: 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260421_005448_610508_F7DCC3AC X-CRM114-Status: GOOD ( 16.98 ) 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=-4.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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, 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. 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 |