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GET /api/1.2/patches/2234561/?format=api
{ "id": 2234561, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234561/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-i2c/patch/20260507-dw-i2c-v4-3-9a447b23bfdf@wkennington.com/", "project": { "id": 35, "url": "http://patchwork.ozlabs.org/api/1.2/projects/35/?format=api", "name": "Linux I2C development", "link_name": "linux-i2c", "list_id": "linux-i2c.vger.kernel.org", "list_email": "linux-i2c@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260507-dw-i2c-v4-3-9a447b23bfdf@wkennington.com>", "list_archive_url": null, "date": "2026-05-07T20:05:17", "name": "[v4,3/4] i2c: designware: Convert platform driver to use shutdown hook", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ca1d809827b7cfee80fb8ed98136addf3bc6fa02", "submitter": { "id": 87247, "url": "http://patchwork.ozlabs.org/api/1.2/people/87247/?format=api", "name": "William A. Kennington III", "email": "william@wkennington.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-i2c/patch/20260507-dw-i2c-v4-3-9a447b23bfdf@wkennington.com/mbox/", "series": [ { "id": 503262, "url": "http://patchwork.ozlabs.org/api/1.2/series/503262/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-i2c/list/?series=503262", "date": "2026-05-07T20:05:14", "name": "i2c: designware: Improve device disable handling", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/503262/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234561/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234561/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-i2c+bounces-17302-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-i2c@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=wkennington-com.20251104.gappssmtp.com\n header.i=@wkennington-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=FY4ix1LB;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-i2c+bounces-17302-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=wkennington-com.20251104.gappssmtp.com\n header.i=@wkennington-com.20251104.gappssmtp.com header.b=\"FY4ix1LB\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.216.42", "smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=wkennington.com", "smtp.subspace.kernel.org;\n spf=none smtp.mailfrom=wkennington.com" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4gBNZc5tcwz1yM5\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 08 May 2026 06:07:20 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 04F583065C8E\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 7 May 2026 20:05:33 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id E70183F7ABC;\n\tThu, 7 May 2026 20:05:28 +0000 (UTC)", "from mail-pj1-f42.google.com (mail-pj1-f42.google.com\n [209.85.216.42])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 31DD036C9D5\n\tfor <linux-i2c@vger.kernel.org>; Thu, 7 May 2026 20:05:26 +0000 (UTC)", "by mail-pj1-f42.google.com with SMTP id\n 98e67ed59e1d1-3567e2b4159so780541a91.0\n for <linux-i2c@vger.kernel.org>; Thu, 07 May 2026 13:05:26 -0700 (PDT)", "from wakbuild.c.googlers.com\n (123.143.125.34.bc.googleusercontent.com. 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Kennington III\" <william@wkennington.com>", "Date": "Thu, 07 May 2026 20:05:17 +0000", "Subject": "[PATCH v4 3/4] i2c: designware: Convert platform driver to use\n shutdown hook", "Precedence": "bulk", "X-Mailing-List": "linux-i2c@vger.kernel.org", "List-Id": "<linux-i2c.vger.kernel.org>", "List-Subscribe": "<mailto:linux-i2c+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-i2c+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260507-dw-i2c-v4-3-9a447b23bfdf@wkennington.com>", "References": "<20260507-dw-i2c-v4-0-9a447b23bfdf@wkennington.com>", "In-Reply-To": "<20260507-dw-i2c-v4-0-9a447b23bfdf@wkennington.com>", "To": "Mika Westerberg <mika.westerberg@linux.intel.com>,\n Andy Shevchenko <andriy.shevchenko@linux.intel.com>,\n Jan Dabros <jsd@semihalf.com>, Andi Shyti <andi.shyti@kernel.org>", "Cc": "linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,\n \"William A. Kennington III\" <william@wkennington.com>", "X-Mailer": "b4 0.14.3" }, "content": "Convert the platform driver to use the new i2c_dw_shutdown() hook,\nallowing the controller to gracefully NACK master requests during\nsystem shutdown.\n\nSigned-off-by: William A. Kennington III <william@wkennington.com>\n---\n drivers/i2c/busses/i2c-designware-platdrv.c | 14 ++++++++++++++\n 1 file changed, 14 insertions(+)", "diff": "diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c\nindex 3351c4a9ef11..da2babd6188b 100644\n--- a/drivers/i2c/busses/i2c-designware-platdrv.c\n+++ b/drivers/i2c/busses/i2c-designware-platdrv.c\n@@ -289,9 +289,23 @@ static const struct platform_device_id dw_i2c_platform_ids[] = {\n };\n MODULE_DEVICE_TABLE(platform, dw_i2c_platform_ids);\n \n+static void dw_i2c_plat_shutdown(struct platform_device *pdev)\n+{\n+\tstruct dw_i2c_dev *i_dev;\n+\n+\ti_dev = platform_get_drvdata(pdev);\n+\tif (!i_dev)\n+\t\treturn;\n+\n+\tpm_runtime_disable(&pdev->dev);\n+\tif (!pm_runtime_status_suspended(&pdev->dev))\n+\t\ti2c_dw_shutdown(i_dev);\n+}\n+\n static struct platform_driver dw_i2c_driver = {\n \t.probe = dw_i2c_plat_probe,\n \t.remove = dw_i2c_plat_remove,\n+\t.shutdown = dw_i2c_plat_shutdown,\n \t.driver\t\t= {\n \t\t.name\t= \"i2c_designware\",\n \t\t.of_match_table = dw_i2c_of_match,\n", "prefixes": [ "v4", "3/4" ] }