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GET /api/patches/867703/?format=api
{ "id": 867703, "url": "http://patchwork.ozlabs.org/api/patches/867703/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-i2c/patch/970f151329b43cfa5f842dc0fe0604b03c5c1297.1517285239.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": "<970f151329b43cfa5f842dc0fe0604b03c5c1297.1517285239.git.andrew.cooks@opengear.com>", "list_archive_url": null, "date": "2018-01-30T21:40:29", "name": "[v4,2/3] i2c: piix4: fix probing of reserved ports on AMD", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "560f5a9d62dd730e1b36b91874e54466d5dda696", "submitter": { "id": 72877, "url":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/970f151329b43cfa5f842dc0fe0604b03c5c1297.1517285239.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/867703/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/867703/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=\"c3FdKGHJ\"; 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 3zWKbg1bmxz9s71\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 31 Jan 2018 08:42:23 +1100 (AEDT)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1753153AbeA3VmK (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tTue, 30 Jan 2018 16:42:10 -0500", "from mail-cys01nam02on0071.outbound.protection.outlook.com\n\t([104.47.37.71]:18784\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 S1752277AbeA3VlN (ORCPT <rfc822;linux-i2c@vger.kernel.org>);\n\tTue, 30 Jan 2018 16:41:13 -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 21:41:10 +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=KkyubyEzM5ZOYOouPkOouRtrXJMIrGrEK/Xm5Y8XHUA=;\n\tb=c3FdKGHJlMUFzk/bCe/S7LUl7DfC9A6i8HifKHTewZZmfl20x+27kVHwnnMx5r8/pvZeLxazZ+eyr0EvF3/k6S/Qy8rclD0x9jp92QLAnY84RFOihht0MbI30MVwnIAjjCeM3I0fOEeV7lS+b/USqb/+FBitx13zWv0YSYYybe8=", "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 2/3] i2c: piix4: fix probing of reserved ports on AMD", "Date": "Wed, 31 Jan 2018 07:40:29 +1000", "Message-Id": "<970f151329b43cfa5f842dc0fe0604b03c5c1297.1517285239.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": "8950f6cf-1c3a-4e7a-2c5b-08d5682a2e7d", "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 21:41:10.2538\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "8950f6cf-1c3a-4e7a-2c5b-08d5682a2e7d", "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": "Prevent bus timeouts and resets on Family 16h Model 30h), by not\nprobing reserved Ports 3 and 4.\n\nAccording to the AMD BIOS and Kernel Developer's Guides (BKDG), Port 3\nand Port 4 are reserved on the following devices:\n - Family 15h Model 60h-6Fh,\n - Family 15h Model 70h-7Fh,\n - Family 16h Model 30h-3Fh,\n\nSigned-off-by: Andrew Cooks <andrew.cooks@opengear.com>\n---\n drivers/i2c/busses/i2c-piix4.c | 19 +++++++++++++++----\n 1 file changed, 15 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c\nindex 5c90a44..01f1610 100644\n--- a/drivers/i2c/busses/i2c-piix4.c\n+++ b/drivers/i2c/busses/i2c-piix4.c\n@@ -80,7 +80,8 @@\n #define PIIX4_BLOCK_DATA\t0x14\n \n /* Multi-port constants */\n-#define PIIX4_MAX_ADAPTERS 4\n+#define PIIX4_MAX_ADAPTERS\t4\n+#define HUDSON2_MAIN_PORTS\t2 /* HUDSON2, KERNCZ reserves ports 3, 4 */\n \n /* SB800 constants */\n #define SB800_PIIX4_SMB_IDX\t\t0xcd6\n@@ -800,6 +801,7 @@ MODULE_DEVICE_TABLE (pci, piix4_ids);\n \n static struct i2c_adapter *piix4_main_adapters[PIIX4_MAX_ADAPTERS];\n static struct i2c_adapter *piix4_aux_adapter;\n+static int piix4_adapter_count;\n \n static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba,\n \t\t\t bool sb800_main, u8 port, bool notify_imc,\n@@ -849,6 +851,7 @@ static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba,\n \t}\n \n \t*padap = adap;\n+\tpiix4_adapter_count++;\n \treturn 0;\n }\n \n@@ -856,10 +859,17 @@ static int piix4_add_adapters_sb800(struct pci_dev *dev, unsigned short smba,\n \t\t\t\t bool notify_imc)\n {\n \tstruct i2c_piix4_adapdata *adapdata;\n-\tint port;\n+\tint port, port_count;\n \tint retval;\n \n-\tfor (port = 0; port < PIIX4_MAX_ADAPTERS; port++) {\n+\tif (dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS ||\n+\t dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS) {\n+\t\tport_count = HUDSON2_MAIN_PORTS;\n+\t} else {\n+\t\tport_count = PIIX4_MAX_ADAPTERS;\n+\t}\n+\n+\tfor (port = 0; port < port_count; port++) {\n \t\tretval = piix4_add_adapter(dev, smba, true, port, notify_imc,\n \t\t\t\t\t piix4_main_port_names_sb800[port],\n \t\t\t\t\t &piix4_main_adapters[port]);\n@@ -889,6 +899,7 @@ static int piix4_probe(struct pci_dev *dev, const struct pci_device_id *id)\n {\n \tint retval;\n \tbool is_sb800 = false;\n+\tpiix4_adapter_count = 0;\n \n \tif ((dev->vendor == PCI_VENDOR_ID_ATI &&\n \t dev->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS &&\n@@ -993,7 +1004,7 @@ static void piix4_adap_remove(struct i2c_adapter *adap)\n \n static void piix4_remove(struct pci_dev *dev)\n {\n-\tint port = PIIX4_MAX_ADAPTERS;\n+\tint port = piix4_adapter_count;\n \n \twhile (--port >= 0) {\n \t\tif (piix4_main_adapters[port]) {\n", "prefixes": [ "v4", "2/3" ] }