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 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52CE5C43219 for ; Fri, 3 May 2019 20:50:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FAE9206E0 for ; Fri, 3 May 2019 20:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556916609; bh=kcNsF86h0vzqOQzNgkJjCzF0nga/XfpjftT3dALWrQ0=; h=Date:From:To:Cc:Subject:List-ID:From; b=zcMiKLi4TqM8xb1rHL/U/K1SYB4xU6f5r/TZKHk+l3OLl+ai2VwxNB5VGp5PUchzh uTwi8e4VIBQbXHTMuVUl2+/Cy2Yn7JDmC1PQ2d/fPj/Fvz5y9tdUzuNeVZ9bvWSl8s eHSSXn/Kp19OtKtV958HhHImUDHbeoDuyY/FmAro= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727014AbfECUuE (ORCPT ); Fri, 3 May 2019 16:50:04 -0400 Received: from mail-wm1-f51.google.com ([209.85.128.51]:55202 "EHLO mail-wm1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726022AbfECUuD (ORCPT ); Fri, 3 May 2019 16:50:03 -0400 Received: by mail-wm1-f51.google.com with SMTP id b10so8580198wmj.4; Fri, 03 May 2019 13:50:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=3WRefylpHoq+bmA7wobTBIMipAzUtIxZ32oIEUbNhnE=; b=TPIpMq3HbAOhfdMbRJU+GqbLr16pSHc22BKzSqjJah8dneY3X41Ms3cST5caLh70Ij k/BCu3CnOADUd/FPMt4kc9bkAqm0o1L8XPAJeQwHqImpWar0wKVPeds3TlsGAXDYyuFd JV1Hqo+cPsWlYmXCvLqZGpdoF1iuT71nghZFYektRxsR2WD4GihJcgLcPQF8wh4Fy7Tp GWs7pK8qiZ/15z6j+G97Ae7UaMo1YIxZ5t1HGS3pz9JdwEjefwg5MoJ3IHUMUetm4J4C 5tbG6zfApvPPe83pXCiETYVdLrYRB60Nzgz0JmF77SksAUhHhvh2Iu9QsK93h/602y1t MtKQ== X-Gm-Message-State: APjAAAWXa7H5R0aMZX1p39xSvcef+TPyQYko97KC4ecpNwulhiIgVDSP CEhphmJi6AzfUA5Dz+P4kfQ= X-Google-Smtp-Source: APXvYqxklGno0XFB4B8cXBfafnXg63KYZCefaROZACKbwwyBii0hsOJbnj4lXJGrDnQZPPJlsVlyag== X-Received: by 2002:a7b:c00e:: with SMTP id c14mr7539524wmb.110.1556916601167; Fri, 03 May 2019 13:50:01 -0700 (PDT) Received: from kozik-lap ([194.230.155.114]) by smtp.googlemail.com with ESMTPSA id q2sm2204786wrd.48.2019.05.03.13.49.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 03 May 2019 13:50:00 -0700 (PDT) Date: Fri, 3 May 2019 22:49:58 +0200 From: Krzysztof Kozlowski To: Jules Maselbas Cc: Minas Harutyunyan , Felipe Balbi , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Marek Szyprowski Subject: [BUG BISECT] USB on Exynos4412 fails after usb: dwc2: gadget: Replace phyif with phy_utmi_width Message-ID: <20190503204958.GA12532@kozik-lap> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hi, Bisect pointed commit 707d80f0a3c5 ("usb: dwc2: gadget: Replace phyif with phy_utmi_width") as reason for failures of USB on Exynos4412, Odroid U3 board (ARMv7, exynos_defconfig, TFTP boot with nfsroot from NFSv4): [ 4.333996] usb 1-2: new high-speed USB device number 3 using exynos-ehci [ 4.503942] usb 1-2: device descriptor read/64, error -71 [ 4.793970] usb 1-2: device descriptor read/64, error -71 [ 4.914748] usb usb1-port2: attempt power cycle [ 6.224267] usb 1-3: new high-speed USB device number 5 using exynos-ehci [ 6.393983] usb 1-3: device descriptor read/64, error -71 [ 6.684243] usb 1-3: device descriptor read/64, error -71 [ 6.954259] usb 1-3: new high-speed USB device number 6 using exynos-ehci [ 7.123980] usb 1-3: device descriptor read/64, error -71 [ 7.413969] usb 1-3: device descriptor read/64, error -71 [ 7.534778] usb usb1-port3: attempt power cycle The boot failure is effect of lack of network adapter (USB, smsc95xx). Expected: [ 4.285831] usb 1-3: New USB device found, idVendor=0424, idProduct=3503, bcdDevice=a1.a0 [ 4.288986] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 4.299596] hub 1-3:1.0: USB hub found [ 4.300027] hub 1-3:1.0: 3 ports detected [ 5.895541] smsc95xx 1-2:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1 Full kernel log is here: https://krzk.eu/#/builders/25/builds/1330/steps/14/logs/serial0 https://krzk.eu/#/builders/25/builds/1330 Let me know if you need any more details. Best regards, Krzysztof