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GET /api/patches/867702/?format=api
{ "id": 867702, "url": "http://patchwork.ozlabs.org/api/patches/867702/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-i2c/patch/d197d95d77afa2054ff1b2c593dae7939030e24b.1517285239.git.andrew.cooks@opengear.com/", "project": { "id": 35, "url": "http://patchwork.ozlabs.org/api/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": "<d197d95d77afa2054ff1b2c593dae7939030e24b.1517285239.git.andrew.cooks@opengear.com>", "list_archive_url": null, "date": "2018-01-30T21:40:30", "name": "[v4,3/3] i2c: piix4: add ACPI support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "fe37f19039e0367da3322483f463f3a74f0ffadf", "submitter": { "id": 72877, "url": "http://patchwork.ozlabs.org/api/people/72877/?format=api", "name": "Andrew Cooks", "email": "andrew.cooks@opengear.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-i2c/patch/d197d95d77afa2054ff1b2c593dae7939030e24b.1517285239.git.andrew.cooks@opengear.com/mbox/", "series": [ { "id": 26156, "url": "http://patchwork.ozlabs.org/api/series/26156/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-i2c/list/?series=26156", "date": "2018-01-30T21:40:28", "name": "Enable ACPI-defined peripherals on i2c-piix4 SMBus", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/26156/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/867702/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/867702/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-i2c-owner@vger.kernel.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-i2c-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=opengear.com header.i=@opengear.com\n\theader.b=\"uu18zTcz\"; dkim-atps=neutral", "spf=none (sender IP is )\n\tsmtp.mailfrom=andrew.cooks@opengear.com; " ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3zWKbJ538qz9s71\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 31 Jan 2018 08:42:04 +1100 (AEDT)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752167AbeA3VlU (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tTue, 30 Jan 2018 16:41:20 -0500", "from mail-cys01nam02on0044.outbound.protection.outlook.com\n\t([104.47.37.44]:15680\n\t\"EHLO NAM02-CY1-obe.outbound.protection.outlook.com\"\n\trhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP\n\tid S1751755AbeA3VlQ (ORCPT <rfc822;linux-i2c@vger.kernel.org>);\n\tTue, 30 Jan 2018 16:41:16 -0500", "from andrewc.bne.opengear.com (59.167.150.161) by\n\tBLUPR15MB0018.namprd15.prod.outlook.com (10.161.124.16) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id\n\t15.20.444.14; Tue, 30 Jan 2018 21:41:12 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=opengear.com;\n\ts=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version;\n\tbh=z86wQH1viaGBR0KS0jOK0CxleCH/d0baHxxCXgr7Sps=;\n\tb=uu18zTczP9kh8hAO3jVZ8H4kpFFE9ey/C1McVISpioOQT1u6mlSZ6vXDpvMQAYVp4cmgIrFqkg4waiLiHAQIIAeh8eLIv4Cc32b0Y8Pr/M/CsVq8l55zILFgCpM0+xkx1Uh5uxQSx8zGjDbpfinRpEvfPzIHiWhUgDp/pCZs3Wc=", "From": "Andrew Cooks <andrew.cooks@opengear.com>", "To": "Jean Delvare <jdelvare@suse.com>, Wolfram Sang <wsa@the-dreams.de>,\n\tlinux-i2c@vger.kernel.org (open list:I2C/SMBUS CONTROLLER DRIVERS FOR\n\tPC), linux-kernel@vger.kernel.org (open list)", "Cc": "Andrew Cooks <andrew.cooks@opengear.com>", "Subject": "[PATCH v4 3/3] i2c: piix4: add ACPI support", "Date": "Wed, 31 Jan 2018 07:40:30 +1000", "Message-Id": "<d197d95d77afa2054ff1b2c593dae7939030e24b.1517285239.git.andrew.cooks@opengear.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<cover.1517285239.git.andrew.cooks@opengear.com>", "References": "<cover.1517285239.git.andrew.cooks@opengear.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[59.167.150.161]", "X-ClientProxiedBy": "ME1PR01CA0134.ausprd01.prod.outlook.com (10.171.9.147) To\n\tBLUPR15MB0018.namprd15.prod.outlook.com (10.161.124.16)", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "133af4d1-e701-4f0f-91c6-08d5682a2fe7", "X-Microsoft-Antispam": "UriScan:; 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FPR:; SPF:None; PTR:InfoNoRecords;\n\tMX:1; A:1; LANG:en; ", "Received-SPF": "None (protection.outlook.com: opengear.com does not designate\n\tpermitted sender hosts)", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "opengear.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "30 Jan 2018 21:41:12.7694\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "133af4d1-e701-4f0f-91c6-08d5682a2fe7", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "a6251c26-d21f-4164-a225-1f4eaebf5f9a", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BLUPR15MB0018", "Sender": "linux-i2c-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-i2c.vger.kernel.org>", "X-Mailing-List": "linux-i2c@vger.kernel.org" }, "content": "Enable the i2c-piix4 SMBus controller driver to enumerate I2C slave\ndevices using ACPI. It builds on the related I2C mux device work\nin commit 8eb5c87a92c0 (\"i2c: add ACPI support for I2C mux ports\")\n\nIn the i2c-piix4 driver the adapters are enumerated as:\n Main SMBus adapter Port 0, Port 2, ..., aux port (i.e., ASF adapter)\n\nHowever, in the AMD BKDG documentation[1], the implied order of ports is:\n Main SMBus adapter Port 0, ASF adapter, Port 2, Port 3, ...\n\nThis ordering difference is unfortunate, and we assume that ACPI\ndevelopers will use the Linux ordering, as follows:\n\nDevice(SBUS) {\n Name(_ADR, 0x00140000)\n Name(_HID, \"SMB0001\")\n\n Device(CH00) {\n Name(_ADR, 0) // main SMBus adapter, Port 0\n Name (_STR, Unicode (\"Main SMBus adapter, Port 0\"))\n }\n\n Device(CH01) {\n Name(_ADR, 1) // main SMBus Port 2 (Port 1 label is undefined)\n Name (_STR, Unicode (\"Main SMBus adapter, Port 2\"))\n }\n\n Device (CH02) {\n Name(_ADR, 2) // ASF adapter (what Linux calls 'aux port')\n Name (_STR, Unicode (\"AUX / ASF SMBus adapter\"))\n }\n}\n\n[1] 52740 BIOS and Kernel Developer's Guide (BKDG) for AMD Family 16h\nModels 30h-3Fh Processors\n\nSigned-off-by: Andrew Cooks <andrew.cooks@opengear.com>\nReviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>\n---\n drivers/i2c/busses/i2c-piix4.c | 6 ++++++\n 1 file changed, 6 insertions(+)", "diff": "diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c\nindex 01f1610..9a6cdc8 100644\n--- a/drivers/i2c/busses/i2c-piix4.c\n+++ b/drivers/i2c/busses/i2c-piix4.c\n@@ -837,6 +837,12 @@ static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba,\n \t/* set up the sysfs linkage to our parent device */\n \tadap->dev.parent = &dev->dev;\n \n+\tif (has_acpi_companion(&dev->dev)) {\n+\t\tacpi_preset_companion(&adap->dev,\n+\t\t\t\tACPI_COMPANION(&dev->dev),\n+\t\t\t\tpiix4_adapter_count);\n+\t}\n+\n \tsnprintf(adap->name, sizeof(adap->name),\n \t\t\"SMBus PIIX4 adapter%s at %04x\", name, smba);\n \n", "prefixes": [ "v4", "3/3" ] }