From patchwork Fri Jul 26 12:53:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Johnson X-Patchwork-Id: 1137439 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=outlook.com.au Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45w8Cb1RnTz9sBZ for ; Fri, 26 Jul 2019 22:53:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726897AbfGZMxp convert rfc822-to-8bit (ORCPT ); Fri, 26 Jul 2019 08:53:45 -0400 Received: from mail-oln040092255085.outbound.protection.outlook.com ([40.92.255.85]:36856 "EHLO APC01-HK2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726099AbfGZMxp (ORCPT ); Fri, 26 Jul 2019 08:53:45 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JMEZZTc3hwqf872KkDkWOU3srzFdvv8LaxQEAQOxDAPfAsHKQXFdqSh5dDnxeIiR7OCEElp3U+hH/kFny4cYTbw4tg91G+6m4uNNNffMxVGO5YVCdNwQlpxMRahr4G6bFftYmU1v6qnFaQrKfb3225TMANLhqJvPT+BvaEh8uf8ZzcjyR3T5SLFKd2rQHKL85r7gOuUUMtxLG4VNDon5LWNcKNAy2lM3GSxwHfgXp/ZzD36wAV+lzSXUQIhsiF6BVRYgmMf2Pd5R50ti8FPMGUvWGbexSqQKnyjfaCfNMams6dIrm8O5CljWOE1MER7HNs+IhbJb6DGLcaEYXoXJMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=FyRMOmruoMTsEdPq3GMh6fs4pWM14KOxVlnvlLaQE28=; b=hCp7gvm9Jq8FOCGTFV82DJRVvo1iBfD/Eig0uuw4RXGD9EtdfEwim5X+EdsO1TwADRIpiC6DVrL7ubuVNJg2461g61i1aCEmafvoMD2j0us9SsKAvlzoWpBD/UTW9JxorQ/b25kCCOM79VAYBqn/QgUSdlNfuB0n4oQ2tdY7qYsCk0h/zvpcYsJmnICN4VbFBCw9p4s/mv9q0yuofhAwriiwkRrotga9TSYs/zf/pCorhD+dQsoxh60e11pnz6wZ96K2YbxHtfdhb/LMBjS6cmF22nn93+sHHay1ew6SiV99XzrRn3Z7NHc9YLpyKm5GPDKaZR7gy7ZdB8KPNxLIpQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1;spf=none;dmarc=none;dkim=none;arc=none Received: from PU1APC01FT060.eop-APC01.prod.protection.outlook.com (10.152.252.51) by PU1APC01HT026.eop-APC01.prod.protection.outlook.com (10.152.253.50) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.2115.10; Fri, 26 Jul 2019 12:53:41 +0000 Received: from SL2P216MB0187.KORP216.PROD.OUTLOOK.COM (10.152.252.59) by PU1APC01FT060.mail.protection.outlook.com (10.152.253.44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.2115.10 via Frontend Transport; Fri, 26 Jul 2019 12:53:41 +0000 Received: from SL2P216MB0187.KORP216.PROD.OUTLOOK.COM ([fe80::1cba:d572:7a30:ff0d]) by SL2P216MB0187.KORP216.PROD.OUTLOOK.COM ([fe80::1cba:d572:7a30:ff0d%3]) with mapi id 15.20.2094.013; Fri, 26 Jul 2019 12:53:41 +0000 From: Nicholas Johnson To: "linux-kernel@vger.kernel.org" CC: "linux-pci@vger.kernel.org" , "bhelgaas@google.com" , "mika.westerberg@linux.intel.com" , "corbet@lwn.net" , "benh@kernel.crashing.org" , "logang@deltatee.com" Subject: [PATCH v8 2/6] PCI: In extend_bridge_window() change available to new_size Thread-Topic: [PATCH v8 2/6] PCI: In extend_bridge_window() change available to new_size Thread-Index: AQHVQ7EmHvhNFvqjQkKDAcL1eeAwVg== Date: Fri, 26 Jul 2019 12:53:41 +0000 Message-ID: Accept-Language: en-AU, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SYBPR01CA0194.ausprd01.prod.outlook.com (2603:10c6:10:16::14) To SL2P216MB0187.KORP216.PROD.OUTLOOK.COM (2603:1096:100:22::19) x-incomingtopheadermarker: OriginalChecksum:3243A2BF0683CB6CD4A1DE0EC08C61B9A8D2910BA597942B49264F2CDF3D351D; UpperCasedChecksum:E34507274A8F45C1FDC4AD142BD5E81633550A6E0ABD7CCD5209832EC704A12F; SizeAsReceived:7707; Count:47 x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [Iyy7SR1PbU6BTY2Zn8YbB6zaMhpyz4fJe68/7SPURleo1Ircgl3LkdO0zIPrsbBrHaGuXWdlC20=] x-microsoft-original-message-id: <20190726125325.GA2676@nicholas-usb> x-ms-publictraffictype: Email x-incomingheadercount: 47 x-eopattributedmessage: 0 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(5050001)(7020095)(20181119110)(201702061078)(5061506573)(5061507331)(1603103135)(2017031320274)(2017031323274)(2017031324274)(2017031322404)(1601125500)(1603101475)(1701031045); SRVR:PU1APC01HT026; x-ms-traffictypediagnostic: PU1APC01HT026: x-microsoft-antispam-message-info: 0qGqXzcNan3WbxBy0mvgwIXAJ0ow1nHcp/G7APoHKHMtm+PdjR+TsYKf2P5BMmPoxW/LmwsNGJWFOf4Piq7FNtxyXQRtvSN6bcJXN+uIfX1blF9smARLdIdougMs9uptKt7gmFLSAw7vHDW5HjwFaljaiz4vL/0yX4y1HKNfrU/5flaXhmkLBelMFnyhMlxh Content-ID: <32F04AF87D5C5F4899EF4505162C4DEE@KORP216.PROD.OUTLOOK.COM> MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: babbce03-7a3d-4b7b-152b-08d711c84917 X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Jul 2019 12:53:41.6034 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: PU1APC01HT026 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org In extend_bridge_window() change "available" parameter name to new_size. This makes more sense as this parameter represents the new size for the window. Signed-off-by: Nicholas Johnson Reviewed-by: Mika Westerberg --- drivers/pci/setup-bus.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 6835fd64c..3b3055e0e 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1816,14 +1816,14 @@ void __init pci_assign_unassigned_resources(void) static void extend_bridge_window(struct pci_dev *bridge, struct resource *res, struct list_head *add_list, - resource_size_t available) + resource_size_t new_size) { struct pci_dev_resource *dev_res; if (res->parent) return; - if (resource_size(res) >= available) + if (resource_size(res) >= new_size) return; dev_res = res_to_dev_res(add_list, res); @@ -1831,10 +1831,10 @@ static void extend_bridge_window(struct pci_dev *bridge, struct resource *res, return; /* Is there room to extend the window? */ - if (available - resource_size(res) <= dev_res->add_size) + if (new_size - resource_size(res) <= dev_res->add_size) return; - dev_res->add_size = available - resource_size(res); + dev_res->add_size = new_size - resource_size(res); pci_dbg(bridge, "bridge window %pR extended by %pa\n", res, &dev_res->add_size); }