From patchwork Wed Oct 23 17:21:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yazen Ghannam X-Patchwork-Id: 13847711 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2084.outbound.protection.outlook.com [40.107.93.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A6AC1D9A62; Wed, 23 Oct 2024 17:22:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.93.84 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729704139; cv=fail; b=ny+e2PZljYERXUXQK4nvRk4eRn9kAT8TJnlEahi3CQrqVHGYVarb1ammn+QQMbCx3Jr+/kQhbHXCcDl1iHgS2xDBqzUG0oYCLMWPS8UNCablB+UIHKNa3FwHEyLC/Dd0Vhn+gNcWF28exgzhKYzQTVqZxP8owfTs9pyDDf/lhwg= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729704139; c=relaxed/simple; bh=9jYQ3+paKfNFcYwOiD7jslDldtQphgVdqBxOj7HxMpk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=EoGVO0L3eixgtCzdW0jpGwGzcsgxqgTLXIfKaIwnJvob45x/lVLRb3mvBdR9IruHe4BNeqTQrExeUKU4IRNx5boG8hUc1O6z0q+xqZIfLgJ1sx2L3jpTL2w70bBC1vJlU5MyPSE+3VJwfVl5FOojbMArXAh4bxg9UZP/mu3QM48= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=nDs8IxF4; arc=fail smtp.client-ip=40.107.93.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="nDs8IxF4" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ARsSGys/mhSs0CJcvNQBUG5Z2k0WFoDJpArk0BD3q3vwT2uFx275b8mjCnaZA26F5S2oQw+yYO6hawFdyqkSgbCcpcqzfz08S0r3NMkIW0QSlI8De2TwBzsXZiZJV59UVpetQy444vhEpaGi7uaciXwsoBP6HOuqwoIWc3krqF70vrTJxxdGABwaBMdHDusp7qp5KESkoyy0wW9GAuY/4dpA6iOfiJ6zyvCiGLuWszsNOEZpaZ4ieYdV9BPOqEG+8o6Gli80uh96ogNqauJj6ILbd+8OQq9yPsVSFF5AI11gHFmOkBk0ewFTt/ZKmT0SMNdu6PsQwzSWdIe/FEiftw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=WMqgRIYFrt3pq3n3UVV0NA0edvPQ0s0H/wUFqGpLU4Y=; b=ArUx6UBPUaQvcSzbWnATkA9T4gFKNWu0zg2BSVOBmfLdMNRnf6Vmedo4gpJo1p3Db/+dRP6X+bDQ7S0fpLZZ7mus4RFZ91GwUwYl3/IEy50+ToniYFySWkAeieSfdLpnQQWa1FehpgDEdH2qq2HQMcmST46Zf7O1k7psSUGQbmGJEopd+OMKcsJawWBn2lNt2g773xUqw7DqYeapE3uWxwafN9evOZ3gbehJ4MfjBkbT0z6CdK2D+ubIk41siqGItjvuCHs3d5KhzpEAU2BBnrj3SaCQkQJJFGhxdH8CtP9csP8P/ke5fYqw7qkZyfBlOgnPISPP8csWl372ZGKQ9g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=WMqgRIYFrt3pq3n3UVV0NA0edvPQ0s0H/wUFqGpLU4Y=; b=nDs8IxF4kooaoPFqlKfO67JmRv3n9XgUI0KlFS9d5W5BWcaPyoIz1Unbif3o2kzPCaW8PUkkC2cCxHq3JyVSYT2cP6KJoSNsJiq8qXO4agKkOECNUH3H19x27FeRYP0on5kJjsTKTIvv5I13lXW0iv2ZkgSy5MFVLYMgO0hASHE= Received: from MN2PR01CA0040.prod.exchangelabs.com (2603:10b6:208:23f::9) by DS0PR12MB8218.namprd12.prod.outlook.com (2603:10b6:8:f2::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8093.18; Wed, 23 Oct 2024 17:22:12 +0000 Received: from BL6PEPF0001AB4C.namprd04.prod.outlook.com (2603:10b6:208:23f:cafe::f7) by MN2PR01CA0040.outlook.office365.com (2603:10b6:208:23f::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8069.29 via Frontend Transport; Wed, 23 Oct 2024 17:22:12 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BL6PEPF0001AB4C.mail.protection.outlook.com (10.167.242.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8093.14 via Frontend Transport; Wed, 23 Oct 2024 17:22:12 +0000 Received: from purico-9eb2host.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Wed, 23 Oct 2024 12:22:10 -0500 From: Yazen Ghannam To: CC: , , , , , , , , , , , , , , , , , , , Yazen Ghannam Subject: [PATCH 08/16] x86/amd_nb: Simplify function 3 search Date: Wed, 23 Oct 2024 17:21:42 +0000 Message-ID: <20241023172150.659002-9-yazen.ghannam@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241023172150.659002-1-yazen.ghannam@amd.com> References: <20241023172150.659002-1-yazen.ghannam@amd.com> Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB4C:EE_|DS0PR12MB8218:EE_ X-MS-Office365-Filtering-Correlation-Id: 62e098eb-a350-4931-5bad-08dcf3873b56 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|376014|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(7416014)(376014)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Oct 2024 17:22:12.0792 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 62e098eb-a350-4931-5bad-08dcf3873b56 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB4C.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8218 Use the newly introduced helper function to look up "function 3". Drop unused PCI IDs and code. Signed-off-by: Yazen Ghannam --- arch/x86/kernel/amd_nb.c | 46 +--------------------------------------- 1 file changed, 1 insertion(+), 45 deletions(-) diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 7ccd769f9c5e..9b159f9b4a11 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -29,31 +29,6 @@ static const struct pci_device_id amd_nb_misc_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_M60H_NB_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M10H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M30H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M60H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_MA0H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M10H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M40H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M50H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M60H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M70H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M78H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M60H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M70H_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_MI200_DF_F3) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_MI300_DF_F3) }, - {} -}; - -static const struct pci_device_id hygon_nb_misc_ids[] = { - { PCI_DEVICE(PCI_VENDOR_ID_HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) }, {} }; @@ -84,17 +59,6 @@ struct amd_northbridge *node_to_amd_nb(int node) } EXPORT_SYMBOL_GPL(node_to_amd_nb); -static struct pci_dev *next_northbridge(struct pci_dev *dev, - const struct pci_device_id *ids) -{ - do { - dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev); - if (!dev) - break; - } while (!pci_match_id(ids, dev)); - return dev; -} - /* * SMN accesses may fail in ways that are difficult to detect here in the called * functions amd_smn_read() and amd_smn_write(). Therefore, callers must do @@ -183,18 +147,12 @@ EXPORT_SYMBOL_GPL(amd_smn_write); static int amd_cache_northbridges(void) { - const struct pci_device_id *misc_ids = amd_nb_misc_ids; - struct pci_dev *misc; struct amd_northbridge *nb; u16 i; if (amd_northbridges.num) return 0; - if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) { - misc_ids = hygon_nb_misc_ids; - } - amd_northbridges.num = amd_num_nodes(); nb = kcalloc(amd_northbridges.num, sizeof(struct amd_northbridge), GFP_KERNEL); @@ -203,11 +161,9 @@ static int amd_cache_northbridges(void) amd_northbridges.nb = nb; - misc = NULL; for (i = 0; i < amd_northbridges.num; i++) { node_to_amd_nb(i)->root = amd_node_get_root(i); - node_to_amd_nb(i)->misc = misc = - next_northbridge(misc, misc_ids); + node_to_amd_nb(i)->misc = amd_node_get_func(i, 3); node_to_amd_nb(i)->link = amd_node_get_func(i, 4); }