From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 99614C433F5 for ; Fri, 30 Sep 2022 02:54:17 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 82DD184BDA; Fri, 30 Sep 2022 04:54:15 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1664506455; bh=r7BQ02RhfVMShShjufrfI/DwvLa/CTjLI1033B11K2s=; h=Date:Subject:To:Cc:References:From:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=mFsfVatXLSFJoytUyInI0Qusn1fmmtvn8hiIwlQudPdYKGY/iIcODBvHHpTm/wATG ENa5U8isFcb+dGGGqD+UjiSppOnONqkf6/WIKM1iCZA1BShtrIqgu3bjs/wcHspV8U 56Hv7fiod14Z7GRskdA+dkN6BPTUqV8X/uqGV+HrD6/8rTPWgSX+55bHcKYfvtQ/cr SeXYrLErCGcOIiXB39hBmsHyIsW7LpVxgpa2BU8jjKQZToLfF7CxIdFZD6Zox0S8br uYl78Mx+qWpJ+5tvN8zLS61kmKbyXwsG9GK3DqL3xSK90MhhkoYkoJ34ykpIZ9mW7L eltZ2aCLukD5Q== Received: from [127.0.0.1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 64E0884ABC; Fri, 30 Sep 2022 04:54:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1664506453; bh=r7BQ02RhfVMShShjufrfI/DwvLa/CTjLI1033B11K2s=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HqaUFn8lDnqqH6nRZFIkQTJjwYdYhoDOrHirW0zj7AuSy0v3DR2khk89I9c8mh4WU 4c3YufXW2FxKtev4BNnHjn9aYQBYC4mlOf+Omq7IUqCibu0whkHCOh7g0nbDKiwjru FI62EaVHJ3+E7ks0MiDqEUM6kE1XluCInBMMDjrfNIfUty/qF5Iqi6LOOdUXD+iW3I vQ5DiAn0x13pqC2RkqYZFU4PL6xWFj4lk3NXChmJ1c/nYwjuw3gGt9wbcU36USfTc/ T1u5rwiffdLnwyil8fcTOWXjHP2SD46Ut+ED4TC54PFJbWogz9f8ASxngweya5DZbU fsGlvxH+fEGyw== Message-ID: <531c5770-a4cc-1eed-f3ce-6fb7187ab406@denx.de> Date: Fri, 30 Sep 2022 04:54:12 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH 1/1] usb: request only 8 bytes for USB_SPEED_FULL bMaxPacketSize0 discovery Content-Language: en-US To: Thomas Glanzmann Cc: Janne Grunau , u-boot@lists.denx.de References: <20220829063127.30353-1-j@jannau.net> <81755570-4f88-c3f0-c00b-076ce00d4615@denx.de> <20220926073405.GC79583@glanzmann.de> From: Marek Vasut In-Reply-To: <20220926073405.GC79583@glanzmann.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean On 9/26/22 09:34, Thomas Glanzmann wrote: > Hallo Marek, Hi, >> Can you be more specific about those logitech receivers ? I might have one >> of those devices, and I have DWC3 in i.MX8MP and i.MX8MQ, as well as ZynqMP, >> so I should be able to try and trigger the problem. Can you share the >> reproducer test case for this problem ? > > I can reproduce the issue with Keychron K1 and Realforce keyboards on the > usb-c port of my mac mini 2020 model running u-boot. The two keyboards > don't work without Jannes patch. With Jannes patch, they work. Other > keyboards like my Thinkpad compact keyboard work with and without the > patch. > > https://www.keychron.com/products/keychron-k1-wireless-mechanical-keyboard > https://www.realforcekeyboards.com > https://www.lenovo.com/de/de/accessories-and-monitors/keyboards-and-mice/keyboards/KEYBOARD-German/p/0B47202 > I can also reproduce it with the logitech unifying receiver on iMX8MP DWC3 controller, likely close to what Russell has (046d:c52b Version 18.16). The same device does work on iMX8MM ChipIdea USB 2.0 controller. I wonder if this might be specific to the DWC3 controller (driver?) somehow ?