From patchwork Mon Aug 7 13:48:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiongfeng Wang X-Patchwork-Id: 13344244 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2A18C04A6A for ; Mon, 7 Aug 2023 13:37:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231651AbjHGNhe (ORCPT ); Mon, 7 Aug 2023 09:37:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232654AbjHGNhd (ORCPT ); Mon, 7 Aug 2023 09:37:33 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D93A6E5B for ; Mon, 7 Aug 2023 06:37:31 -0700 (PDT) Received: from dggpemm500002.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RKHN9040SztRyP; Mon, 7 Aug 2023 21:34:01 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500002.china.huawei.com (7.185.36.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 7 Aug 2023 21:37:27 +0800 From: Xiongfeng Wang To: , , , , , , , CC: , , , Subject: [PATCH 2/3] PCI/AER: Use pci_dev_id() to simplify the code Date: Mon, 7 Aug 2023 21:48:57 +0800 Message-ID: <20230807134858.116051-3-wangxiongfeng2@huawei.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230807134858.116051-1-wangxiongfeng2@huawei.com> References: <20230807134858.116051-1-wangxiongfeng2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500002.china.huawei.com (7.185.36.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org PCI core API pci_dev_id() can be used to get the BDF number for a pci device. We don't need to compose it mannually. Use pci_dev_id() to simplify the code a little bit. Signed-off-by: Xiongfeng Wang --- drivers/pci/pcie/aer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index f6c24ded134c..2bc03937452b 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -712,7 +712,7 @@ static void __aer_print_error(struct pci_dev *dev, void aer_print_error(struct pci_dev *dev, struct aer_err_info *info) { int layer, agent; - int id = ((dev->bus->number << 8) | dev->devfn); + int id = pci_dev_id(dev); const char *level; if (!info->status) { @@ -847,7 +847,7 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info) if ((PCI_BUS_NUM(e_info->id) != 0) && !(dev->bus->bus_flags & PCI_BUS_FLAGS_NO_AERSID)) { /* Device ID match? */ - if (e_info->id == ((dev->bus->number << 8) | dev->devfn)) + if (e_info->id == pci_dev_id(dev)) return true; /* Continue id comparing if there is no multiple error */