From patchwork Tue Sep 27 12:39:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 610865 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 D7048C6FA82 for ; Tue, 27 Sep 2022 12:17:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232274AbiI0MRl (ORCPT ); Tue, 27 Sep 2022 08:17:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232234AbiI0MRb (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 7E86CDCEA2; Tue, 27 Sep 2022 05:17:29 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4McJRr3rg3zlW15; Tue, 27 Sep 2022 20:13:12 +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 4/8] scsi: mvsas: use sas_find_attached_phy_id() instead of open coded Date: Tue, 27 Sep 2022 20:39:22 +0800 Message-ID: <20220927123926.953297-5-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 mvs_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/mvsas/mv_sas.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index a6867dae0e7c..4baf4973f241 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1190,23 +1190,16 @@ static int mvs_dev_found_notify(struct domain_device *dev, int lock) mvi_device->sas_device = dev; if (parent_dev && dev_is_expander(parent_dev->dev_type)) { int phy_id; - u8 phy_num = parent_dev->ex_dev.num_phys; - struct ex_phy *phy; - for (phy_id = 0; phy_id < phy_num; phy_id++) { - phy = &parent_dev->ex_dev.ex_phy[phy_id]; - if (SAS_ADDR(phy->attached_sas_addr) == - SAS_ADDR(dev->sas_addr)) { - mvi_device->attached_phy = phy_id; - break; - } - } - if (phy_id == phy_num) { + phy_id = sas_find_attached_phy_id(&parent_dev->ex_dev, dev); + if (phy_id == -ENODEV) { mv_printk("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 { + mvi_device->attached_phy = phy_id; } }