Cover Letter Detail
Show a cover letter.
GET /api/covers/2226853/?format=api
{ "id": 2226853, "url": "http://patchwork.ozlabs.org/api/covers/2226853/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/cover/20260422165938.35925-1-micbis.openwrt@gmail.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260422165938.35925-1-micbis.openwrt@gmail.com>", "list_archive_url": null, "date": "2026-04-22T16:59:35", "name": "[v4,0/3] usb: gadget: rcar: Add RZ/G2L support and lifecycle fixes", "submitter": { "id": 93164, "url": "http://patchwork.ozlabs.org/api/people/93164/?format=api", "name": "Michele Bisogno", "email": "micbis.openwrt@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/cover/20260422165938.35925-1-micbis.openwrt@gmail.com/mbox/", "series": [ { "id": 501102, "url": "http://patchwork.ozlabs.org/api/series/501102/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=501102", "date": "2026-04-22T16:59:36", "name": "usb: gadget: rcar: Add RZ/G2L support and lifecycle fixes", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/501102/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2226853/comments/", "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=hQTmAFgW;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)", "phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=gmail.com", "phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de", "phobos.denx.de;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.b=\"hQTmAFgW\";\n\tdkim-atps=neutral", "phobos.denx.de;\n dmarc=pass (p=none dis=none) header.from=gmail.com", "phobos.denx.de;\n spf=pass smtp.mailfrom=micbis.openwrt@gmail.com" ], "Received": [ "from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g19c16b7Lz1yGs\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 06:21:37 +1000 (AEST)", "from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id E74F5843D6;\n\tWed, 22 Apr 2026 22:21:27 +0200 (CEST)", "by phobos.denx.de (Postfix, from userid 109)\n id 324E5842FC; Wed, 22 Apr 2026 19:00:39 +0200 (CEST)", "from mail-wm1-x331.google.com (mail-wm1-x331.google.com\n [IPv6:2a00:1450:4864:20::331])\n (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits))\n (No client certificate requested)\n by phobos.denx.de (Postfix) with ESMTPS id 7124A8426E\n for <u-boot@lists.denx.de>; Wed, 22 Apr 2026 19:00:33 +0200 (CEST)", "by mail-wm1-x331.google.com with SMTP id\n 5b1f17b1804b1-48374014a77so74530325e9.3\n for <u-boot@lists.denx.de>; Wed, 22 Apr 2026 10:00:33 -0700 (PDT)", "from localhost.localdomain ([151.70.144.55])\n by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-4891c08faffsm453725165e9.1.2026.04.22.10.00.31\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Wed, 22 Apr 2026 10:00:31 -0700 (PDT)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,\n DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_GMAIL_RCVD,FREEMAIL_FROM,\n RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=no\n autolearn_force=no version=3.4.2", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=gmail.com; s=20251104; t=1776877233; x=1777482033; darn=lists.denx.de;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:from:to:cc:subject:date:message-id:reply-to;\n bh=oPk1m0aPg8j+UwoQ4iP5hk3aV7aPv5RHhl+hkDv/ScA=;\n b=hQTmAFgWsUeVrLq2Rb1yRymuKQ8xkIYC0rXkMTOGPQaOtg2mgHTLmtAzZ+iCsCg+rp\n YUVX4s+6/Ws3F4T4d2TgRGvIZXgHN7MZDAAom210xj34RjdosSGZ7TI2xUbkMxi8+XsN\n yTSPqAKKG8BcxmYb41mKmQ/z0yFT3Ixkyh+JDdKqaAhG54wd9B9en2eWkiLf9iiZ+mEE\n F9hs7l2xPu+CvqSG+r+QJ4w1Mc2GcOZ2oeNR1xTmSVFQZ5anO6dafwufeFE0h+2yUriG\n YuFXTDPT8IL5AkPO1fYPm/4xsqhonIeE3qXO5sW6WRl2shIc2POYj+0gytU+VBtwu/tP\n aMOA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776877233; x=1777482033;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n :message-id:reply-to;\n bh=oPk1m0aPg8j+UwoQ4iP5hk3aV7aPv5RHhl+hkDv/ScA=;\n b=ALnqaKiDbcRWBCASCQ3/re24Uvaac/WKKAimtjnx8FYqX/DxdWbYoeVZGLPXJOazEt\n ochXczZSvfjbE+dKQsPcV/T3d7cBa9Qkv9WN55NfYwcqrBtkgdxPDFtXRzc1bb2/xhlx\n 3YhbffLp3ufk4Nljgus00B4dwQMtDXpiQo87YQ6oqlbNm78+itW4Zo/MZZOkH5oJVF3H\n 8RrpoZq9VWKKnSDE2RsJnHbUm+yrE7ETwLXD7DjAlrsSEXe31cwmgpgnnHjE4eYuiRER\n uym0hmzJa6mt5qtmmvfT3OyoD2mlOzsv0jAWcvibpEkwfTq9LagZoeRpZRvXbo7qyeIE\n wLJQ==", "X-Forwarded-Encrypted": "i=1;\n AFNElJ+GkPW1fr2uVfBDqnmhBxcDUEZxqqfX1IwY6bwzKYT4c5e3dMspgjMXiBWKvSlPsMdIrIzgJEk=@lists.denx.de", "X-Gm-Message-State": "AOJu0Yzbs954lr5Nk3pPW+Q219VCcI0ErA+CoIOGdVkNJVojHaUFb7cR\n +s+m3HlJGYzTQK8yySsZjcsmPPBG2QlDOjxmGzsn1DLf8ZKPyWzjuyvS", "X-Gm-Gg": "AeBDiesM6EHsPTg1CNOctL+0/U5/nYoWy8JSn0lY/qvfjrGjecRIfI1TVq6MvcwvLpQ\n uScjrLqSo4cpXedYuTk65Jrb6+aq2oOOOC8KcrUsrYxmqVluQXxiTSZVPftD/9W5GAeQ2eaLjeY\n va0GVmv6JgfksxO1MtFL5rXTNQgyWaBehprs4exmozCxpWM3B95DyO4xK91IEbl0JPg4fagfcOS\n jQjjWaeDF1SuoKXFSmR6YPiG8LAspzhPKoj0CjT7wdskIFzX+M/WEKISqaDoBqU/rbHwVv0a1RU\n Rmi7vQv8I1ww8i+hcqmVNzra3MIfTEskHeVX9zx9LbaoPA5U0KATZ9PZFglJ1fu+WADntyOriHr\n LKtUXjkHkFPOpiTLkzgWhbxzyeNiOqwtj2rXaNpGN69B/1UZFeWtzYFKj4b6SMEhb8Ls+QOKdOq\n DPjOImN1dyfsEZ9M1vQUU2ZFA99JyjVqOHyEdzzEjeVlKq15WWAYI=", "X-Received": "by 2002:a05:600c:1390:b0:483:709e:f238 with SMTP id\n 5b1f17b1804b1-488fb78ea6fmr335840615e9.29.1776877232553;\n Wed, 22 Apr 2026 10:00:32 -0700 (PDT)", "From": "Michele Bisogno <micbis.openwrt@gmail.com>", "To": "Marek Vasut <marex@denx.de>, Lukasz Majewski <lukma@denx.de>,\n Mattijs Korpershoek <mkorpershoek@kernel.org>", "Cc": "Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, Tom Rini <trini@konsulko.com>,\n u-boot@lists.denx.de, Michele Bisogno <micbis.openwrt@gmail.com>", "Subject": "[PATCH v4 0/3] usb: gadget: rcar: Add RZ/G2L support and lifecycle\n fixes", "Date": "Wed, 22 Apr 2026 18:59:35 +0200", "Message-Id": "<20260422165938.35925-1-micbis.openwrt@gmail.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Approved-At": "Wed, 22 Apr 2026 22:21:26 +0200", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "This series adds support for the Renesas RZ/G2L (R9A07G044) USBHS\ncontroller. During development, several lifecycle and resource \nmanagement issues were identified and addressed to satisfy RZ/G2L \nhardware requirements and prevent resource leaks across the driver.\n\nThe series is split into three logical parts to ensure bisectability:\n1. A bugfix for the gadget deletion sequence during driver remove.\n2. The addition of reset controller infrastructure and proper \n clock/reset teardown logic.\n3. The RZ/G2L specific hardware parameters, SYSCFG logic, and \n compatible strings.\n\nChanges in v4:\n- Split the monolithic patch into a 3-patch series as requested.\n- Added usb_del_gadget_udc() to fix resource leak on driver remove.\n- Implemented bulk reset controller support (required for RZ/G2L).\n- Improved error handling in probe() to ensure clocks are disabled \n if reset initialization or deassertion fails.\n- Moved reset and clock handles to private data to ensure persistence.\n- Reorganized hunks to ensure each patch in the series compiles \n independently (bisectability).\n\nMichele Bisogno (3):\n usb: gadget: rcar: Fix gadget registration lifecycle in remove\n usb: gadget: rcar: Add support for reset controller\n usb: gadget: rcar: Add support for RZ/G2L (R9A07G044)\n\n drivers/usb/gadget/rcar/common.c | 53 ++++++++++++++++++++++++---\n drivers/usb/gadget/rcar/renesas_usb.h | 1 +\n 2 files changed, 48 insertions(+), 6 deletions(-)" }