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GET /api/patches/814931/?format=api
{ "id": 814931, "url": "http://patchwork.ozlabs.org/api/patches/814931/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1505742050-5697-8-git-send-email-bmeng.cn@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": "<1505742050-5697-8-git-send-email-bmeng.cn@gmail.com>", "list_archive_url": null, "date": "2017-09-18T13:40:43", "name": "[U-Boot,07/14] usb: Read device descriptor after device is addressed for xHCI", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "b3d17e8d3491792aad9a42fb3950aa9cd8ec1933", "submitter": { "id": 64981, "url": "http://patchwork.ozlabs.org/api/people/64981/?format=api", "name": "Bin Meng", "email": "bmeng.cn@gmail.com" }, "delegate": { "id": 1699, "url": "http://patchwork.ozlabs.org/api/users/1699/?format=api", "username": "marex", "first_name": "Marek", "last_name": "Vasut", "email": "marek.vasut@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1505742050-5697-8-git-send-email-bmeng.cn@gmail.com/mbox/", "series": [ { "id": 3647, "url": "http://patchwork.ozlabs.org/api/series/3647/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=3647", "date": "2017-09-18T13:40:36", "name": "usb: xhci: Add interrupt transfer support and full speed device support", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3647/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/814931/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/814931/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"bD67X/wO\"; dkim-atps=neutral" ], "Received": [ "from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xwnJw6S7xz9s4s\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 18 Sep 2017 23:43:28 +1000 (AEST)", "by lists.denx.de (Postfix, from userid 105)\n\tid AD6CDC21F61; Mon, 18 Sep 2017 13:38:49 +0000 (UTC)", "from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id 34355C21F33;\n\tMon, 18 Sep 2017 13:37:13 +0000 (UTC)", "by lists.denx.de (Postfix, from userid 105)\n\tid DAA80C21F28; Mon, 18 Sep 2017 13:36:42 +0000 (UTC)", "from mail-io0-f194.google.com (mail-io0-f194.google.com\n\t[209.85.223.194])\n\tby lists.denx.de (Postfix) with ESMTPS id F0F23C21F37\n\tfor <u-boot@lists.denx.de>; Mon, 18 Sep 2017 13:36:38 +0000 (UTC)", "by mail-io0-f194.google.com with SMTP id g32so1096613ioj.1\n\tfor <u-boot@lists.denx.de>; Mon, 18 Sep 2017 06:36:38 -0700 (PDT)", "from ala-d2121-lx1.wrs.com (unknown-156-139.windriver.com.\n\t[147.11.156.139]) by smtp.gmail.com with ESMTPSA id\n\t193sm2528740ion.83.2017.09.18.06.36.36\n\t(version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tMon, 18 Sep 2017 06:36:36 -0700 (PDT)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=0.0 required=5.0 tests=FREEMAIL_FROM,\n\tRCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,\n\tT_DKIM_INVALID autolearn=unavailable\n\tautolearn_force=no version=3.4.0", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=NzwY9qWMK77jWueDYF/crK8fOTqwT3TZfjv00T2Z3rI=;\n\tb=bD67X/wORN135iPYrMI+/ADbeo8S7YMlvjXfKzI1TuMIwV/ZzpHpT21k3HEJkl2Eoz\n\tk0O6+6Jpc86bJ5UPxV3yJY+RPpKVCASJcwiV+8spiPxdCzjpVVHQYRkD0lpzDYUwGQYD\n\tPyG2rt6q/a1LwI1A0NxBrdqFQAeoWM0be6AOzft4dxWOKxjCgmNWuCHpxH4XLWzt2I2H\n\tGgrcdyOvYmoqgePLG+/w3buzKj9xu7TfTiC462gdR1FfQnehuRzoLDXBskUUn9HqkS4g\n\timJ6MFNbZhF8dflr02dKTTp1450YEmS8+lnZSvs+YKSugBSa4shTV+KIgFQRh5wlbiVl\n\t7xjw==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=NzwY9qWMK77jWueDYF/crK8fOTqwT3TZfjv00T2Z3rI=;\n\tb=QycSa/6RdMn57PrmJXrZ7C4FoTbzOFq/EA/XrpKbWoTxqYfXSVpeQyUwvEuadiTa4h\n\tXxT0zy6tSfEWELYOXokwfSfe+1Yx/IIsNZmHnDfocoiwLYLWum8EQ9CdHeFYxAbE7lIg\n\tJzMoR41o6JHcVUBtI+bufDMd77FnUuxRytzcHnZGwiRlCMoz1fv+XFkj+PKrd7Lg6oIr\n\txflZ4Kibs4n17niWWXqukBKyyD2VyChWXh/+a1o1k9Oc5bod2+8CfBtXqibSNPyGA7FJ\n\tXIijMpdDv3A0Q0tClG5UlK2QcD/KkDnOOO2s3oq8LcXdlGbAcPjgk/Deig7zSiGkZYAI\n\tjBVA==", "X-Gm-Message-State": "AHPjjUgccg/ryHfJCYc09r9twbBHANdKbEb4sEk4GU3c1N+zx1EZXxij\n\tIh75hVlnb6Bqqw==", "X-Google-Smtp-Source": "AOwi7QB11uP9WeuoyumuhGZLVDZzfa1MrckCEK77OTWQu29hhcYb2nmbeNWQ7PK6Laar4zhLEBJtyQ==", "X-Received": "by 10.107.20.215 with SMTP id 206mr19428954iou.116.1505741797932;\n\tMon, 18 Sep 2017 06:36:37 -0700 (PDT)", "From": "Bin Meng <bmeng.cn@gmail.com>", "To": "Marek Vasut <marex@denx.de>, U-Boot Mailing List <u-boot@lists.denx.de>", "Date": "Mon, 18 Sep 2017 06:40:43 -0700", "Message-Id": "<1505742050-5697-8-git-send-email-bmeng.cn@gmail.com>", "X-Mailer": "git-send-email 1.7.9.5", "In-Reply-To": "<1505742050-5697-1-git-send-email-bmeng.cn@gmail.com>", "References": "<1505742050-5697-1-git-send-email-bmeng.cn@gmail.com>", "Cc": "Stefan Roese <sr@denx.de>", "Subject": "[U-Boot] [PATCH 07/14] usb: Read device descriptor after device is\n\taddressed for xHCI", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.18", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://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\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>" }, "content": "For xHCI it is not possible to read a device descriptor before it\nhas been assigned an address. That's why usb_setup_descriptor()\nwas called with 'do_read' being false. But we really need try to\nread the device descriptor before starting any real communication\nwith the default control endpoint.\n\nSigned-off-by: Bin Meng <bmeng.cn@gmail.com>\n---\n\n common/usb.c | 11 +++++++++++\n 1 file changed, 11 insertions(+)", "diff": "diff --git a/common/usb.c b/common/usb.c\nindex 88cee81..8d27bc7 100644\n--- a/common/usb.c\n+++ b/common/usb.c\n@@ -1052,6 +1052,17 @@ static int usb_prepare_device(struct usb_device *dev, int addr, bool do_read,\n \n \tmdelay(10);\t/* Let the SET_ADDRESS settle */\n \n+\t/*\n+\t * If we haven't read device descriptor before, read it here\n+\t * after device is assigned an address. This is only applicable\n+\t * to xHCI so far.\n+\t */\n+\tif (!do_read) {\n+\t\terr = usb_setup_descriptor(dev, true);\n+\t\tif (err)\n+\t\t\treturn err;\n+\t}\n+\n \treturn 0;\n }\n \n", "prefixes": [ "U-Boot", "07/14" ] }