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GET /api/patches/812269/?format=api
{ "id": 812269, "url": "http://patchwork.ozlabs.org/api/patches/812269/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1505121512-23283-4-git-send-email-philipp.tomsich@theobroma-systems.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": "<1505121512-23283-4-git-send-email-philipp.tomsich@theobroma-systems.com>", "list_archive_url": null, "date": "2017-09-11T09:18:09", "name": "[U-Boot,v2,03/19] dm: timer: handle being called before dm_root is ready", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "7617525b5e45a13cd486646de191b68aa61fa881", "submitter": { "id": 53488, "url": "http://patchwork.ozlabs.org/api/people/53488/?format=api", "name": "Philipp Tomsich", "email": "philipp.tomsich@theobroma-systems.com" }, "delegate": { "id": 69486, "url": "http://patchwork.ozlabs.org/api/users/69486/?format=api", "username": "ptomsich", "first_name": "Philipp", "last_name": "Tomsich", "email": "philipp.tomsich@theobroma-systems.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1505121512-23283-4-git-send-email-philipp.tomsich@theobroma-systems.com/mbox/", "series": [ { "id": 2462, "url": "http://patchwork.ozlabs.org/api/series/2462/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=2462", "date": "2017-09-11T09:18:08", "name": "rockchip: convert the RK3368 to OF_LIVE and validate on the RK3368-uQ7", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/2462/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/812269/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/812269/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>)", "Received": [ "from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xrMvM1P3Hz9s75\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 11 Sep 2017 19:24:31 +1000 (AEST)", "by lists.denx.de (Postfix, from userid 105)\n\tid E20D0C21F14; Mon, 11 Sep 2017 09:19:44 +0000 (UTC)", "from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id B2A9EC21E8E;\n\tMon, 11 Sep 2017 09:18:54 +0000 (UTC)", "by lists.denx.de (Postfix, from userid 105)\n\tid EB9DBC21C3F; Mon, 11 Sep 2017 09:18:49 +0000 (UTC)", "from mail.theobroma-systems.com (vegas.theobroma-systems.com\n\t[144.76.126.164])\n\tby lists.denx.de (Postfix) with ESMTPS id 9E86BC21C3F\n\tfor <u-boot@lists.denx.de>; Mon, 11 Sep 2017 09:18:49 +0000 (UTC)", "from [86.59.122.178] (port=58983 helo=android.lan)\n\tby mail.theobroma-systems.com with esmtpsa\n\t(TLS1.2:RSA_AES_128_CBC_SHA256:128)\n\t(Exim 4.80) (envelope-from <philipp.tomsich@theobroma-systems.com>)\n\tid 1drKrf-00016d-WD; Mon, 11 Sep 2017 11:18:48 +0200" ], "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=none autolearn=unavailable\n\tautolearn_force=no version=3.4.0", "From": "Philipp Tomsich <philipp.tomsich@theobroma-systems.com>", "To": "u-boot@lists.denx.de", "Date": "Mon, 11 Sep 2017 11:18:09 +0200", "Message-Id": "<1505121512-23283-4-git-send-email-philipp.tomsich@theobroma-systems.com>", "X-Mailer": "git-send-email 2.1.4", "In-Reply-To": "<1505121512-23283-1-git-send-email-philipp.tomsich@theobroma-systems.com>", "References": "<1505121512-23283-1-git-send-email-philipp.tomsich@theobroma-systems.com>", "Cc": "Vlad Zakharov <vzakhar@synopsys.com>,\n\tZakharov Vlad <Vladislav.Zakharov@synopsys.com>,\n\tKlaus Goger <klaus.goger@theobroma-systems.com>", "Subject": "[U-Boot] [PATCH v2 03/19] dm: timer: handle being called before\n\tdm_root is ready", "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": "When used with bootstage recording, dm_timer_init may be called\nsurprisingly early: i.e. before dm_root is ready. To deal with\nthis case, we explicitly check for this condition and return\n-EAGAIN to the caller (refer to drivers/timer/rockchip_timer.c\nfor a case where this is needed/used).\n\nSigned-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>\nReviewed-by: Simon Glass <sjg@chromium.org>\nAcked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>\n---\n\nChanges in v2: None\n\n drivers/timer/timer-uclass.c | 7 +++++++\n 1 file changed, 7 insertions(+)", "diff": "diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c\nindex 62d6f0b..45397b2 100644\n--- a/drivers/timer/timer-uclass.c\n+++ b/drivers/timer/timer-uclass.c\n@@ -92,6 +92,13 @@ int notrace dm_timer_init(void)\n \tif (gd->timer)\n \t\treturn 0;\n \n+\t/*\n+\t * Directly access gd->dm_root to suppress error messages, if the\n+\t * virtual root driver does not yet exist.\n+\t */\n+\tif (gd->dm_root == NULL)\n+\t\treturn -EAGAIN;\n+\n #if !CONFIG_IS_ENABLED(OF_PLATDATA)\n \t/* Check for a chosen timer to be used for tick */\n \tnode = ofnode_get_chosen_node(\"tick-timer\");\n", "prefixes": [ "U-Boot", "v2", "03/19" ] }