From patchwork Tue Sep 27 12:39:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 12990524 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 E504CC6FA83 for ; Tue, 27 Sep 2022 12:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231962AbiI0MRt (ORCPT ); Tue, 27 Sep 2022 08:17:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231682AbiI0MRb (ORCPT ); Tue, 27 Sep 2022 08:17:31 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AFE73C14F; Tue, 27 Sep 2022 05:17:30 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4McJTP17sLzpSt5; Tue, 27 Sep 2022 20:14:33 +0800 (CST) Received: from huawei.com (10.175.127.227) by canpemm500004.china.huawei.com (7.192.104.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 27 Sep 2022 20:17:27 +0800 From: Jason Yan To: , CC: , , , , , , , , Jason Yan , Jack Wang Subject: [PATCH v5 5/8] scsi: hisi_sas: use sas_find_attathed_phy_id() instead of open coded Date: Tue, 27 Sep 2022 20:39:23 +0800 Message-ID: <20220927123926.953297-6-yanaijie@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220927123926.953297-1-yanaijie@huawei.com> References: <20220927123926.953297-1-yanaijie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500004.china.huawei.com (7.192.104.92) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The attached phy finding is open coded. Now we can replace it with sas_find_attached_phy_id(). To keep consistent, the return value of hisi_sas_dev_found() is also changed to -ENODEV after calling sas_find_attathed_phy_id() failed. Signed-off-by: Jason Yan Reviewed-by: Jack Wang Reviewed-by: Damien Le Moal --- drivers/scsi/hisi_sas/hisi_sas_main.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 33af5b8dede2..4bb0416a2f65 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -792,22 +792,14 @@ static int hisi_sas_dev_found(struct domain_device *device) if (parent_dev && dev_is_expander(parent_dev->dev_type)) { int phy_no; - u8 phy_num = parent_dev->ex_dev.num_phys; - struct ex_phy *phy; - for (phy_no = 0; phy_no < phy_num; phy_no++) { - phy = &parent_dev->ex_dev.ex_phy[phy_no]; - if (SAS_ADDR(phy->attached_sas_addr) == - SAS_ADDR(device->sas_addr)) - break; - } - - if (phy_no == phy_num) { + phy_no = sas_find_attached_phy_id(&parent_dev->ex_dev, device); + if (phy_no == -ENODEV) { dev_info(dev, "dev found: no attached " "dev:%016llx at ex:%016llx\n", SAS_ADDR(device->sas_addr), SAS_ADDR(parent_dev->sas_addr)); - rc = -EINVAL; + rc = phy_no; goto err_out; } }