From patchwork Sat Sep 24 07:34:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 12987430 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 868DAC07E9D for ; Sat, 24 Sep 2022 07:24:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233421AbiIXHYU (ORCPT ); Sat, 24 Sep 2022 03:24:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233215AbiIXHYT (ORCPT ); Sat, 24 Sep 2022 03:24:19 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71BBD13D87A; Sat, 24 Sep 2022 00:24:18 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.54]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4MZL521l0sz1P6vJ; Sat, 24 Sep 2022 15:20:06 +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; Sat, 24 Sep 2022 15:24:16 +0800 From: Jason Yan To: , CC: , , , , , , , Jason Yan Subject: [PATCH v2 2/8] scsi: pm8001: use sas_find_attached_phy() instead of open coded Date: Sat, 24 Sep 2022 15:34:49 +0800 Message-ID: <20220924073455.2186805-3-yanaijie@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220924073455.2186805-1-yanaijie@huawei.com> References: <20220924073455.2186805-1-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(). Signed-off-by: Jason Yan --- drivers/scsi/pm8001/pm8001_sas.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 8e3f2f9ddaac..d15a824bcea6 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -645,22 +645,16 @@ static int pm8001_dev_found_notify(struct domain_device *dev) pm8001_device->dcompletion = &completion; if (parent_dev && dev_is_expander(parent_dev->dev_type)) { int phy_id; - struct ex_phy *phy; - for (phy_id = 0; phy_id < parent_dev->ex_dev.num_phys; - phy_id++) { - phy = &parent_dev->ex_dev.ex_phy[phy_id]; - if (SAS_ADDR(phy->attached_sas_addr) - == SAS_ADDR(dev->sas_addr)) { - pm8001_device->attached_phy = phy_id; - break; - } - } - if (phy_id == parent_dev->ex_dev.num_phys) { + + phy_id = sas_find_attached_phy(&parent_dev->ex_dev, dev); + if (phy_id == -ENODEV) { pm8001_dbg(pm8001_ha, FAIL, "Error: no attached dev:%016llx at ex:%016llx.\n", SAS_ADDR(dev->sas_addr), SAS_ADDR(parent_dev->sas_addr)); res = -1; + } else { + pm8001_device->attached_phy = phy_id; } } else { if (dev->dev_type == SAS_SATA_DEV) {