From patchwork Tue Sep 27 12:39:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 12990521 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 E0D47C6FA8E for ; Tue, 27 Sep 2022 12:17:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232277AbiI0MRm (ORCPT ); Tue, 27 Sep 2022 08:17:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232230AbiI0MRb (ORCPT ); Tue, 27 Sep 2022 08:17:31 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F30A4DCE91; Tue, 27 Sep 2022 05:17:28 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4McJRD15ZgzHtj1; Tue, 27 Sep 2022 20:12:40 +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 20:17:26 +0800 From: Jason Yan To: , CC: , , , , , , , , Jason Yan , Jack Wang Subject: [PATCH v5 3/8] scsi: pm8001: use sas_find_attached_phy_id() instead of open coded Date: Tue, 27 Sep 2022 20:39:21 +0800 Message-ID: <20220927123926.953297-4-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 id finding is open coded. Now we can replace it with sas_find_attached_phy_id(). To keep consistent, the return value of pm8001_dev_found_notify() 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/pm8001/pm8001_sas.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 8e3f2f9ddaac..042c0843de1a 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_id(&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; + res = phy_id; + } else { + pm8001_device->attached_phy = phy_id; } } else { if (dev->dev_type == SAS_SATA_DEV) {