From patchwork Sat Apr 1 11:03:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Salil Mehta X-Patchwork-Id: 96552 Delivered-To: patch@linaro.org Received: by 10.140.89.233 with SMTP id v96csp1115664qgd; Sat, 1 Apr 2017 04:06:44 -0700 (PDT) X-Received: by 10.99.167.1 with SMTP id d1mr7644097pgf.129.1491044804300; Sat, 01 Apr 2017 04:06:44 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g4si7904347pgc.142.2017.04.01.04.06.44; Sat, 01 Apr 2017 04:06:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752944AbdDALGn (ORCPT + 21 others); Sat, 1 Apr 2017 07:06:43 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:5336 "EHLO dggrg02-dlp.huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752697AbdDALFq (ORCPT ); Sat, 1 Apr 2017 07:05:46 -0400 Received: from 172.30.72.56 (EHLO DGGEML403-HUB.china.huawei.com) ([172.30.72.56]) by dggrg02-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AKY13277; Sat, 01 Apr 2017 19:05:39 +0800 (CST) Received: from S00293818-DELL1.china.huawei.com (10.203.181.152) by DGGEML403-HUB.china.huawei.com (10.3.17.33) with Microsoft SMTP Server id 14.3.301.0; Sat, 1 Apr 2017 19:05:29 +0800 From: Salil Mehta To: CC: , , , , , , Kejian Yan Subject: [PATCH V4 net-next 14/18] net: hns: Optimise the code in hns_mdio_wait_ready() Date: Sat, 1 Apr 2017 12:03:44 +0100 Message-ID: <20170401110348.15908-15-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20170401110348.15908-1-salil.mehta@huawei.com> References: <20170401110348.15908-1-salil.mehta@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.203.181.152] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.58DF8983.004B, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: d8d7314c61cf9a392bfbd4561bcf50d2 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kejian Yan This patch fixes the code to clear pclint warning/info. Reported-by: Ping Zhang Signed-off-by: Kejian Yan Reviewed-by: Salil Mehta Signed-off-by: Salil Mehta --- drivers/net/ethernet/hisilicon/hns_mdio.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) -- 2.7.4 diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index fad1c5b..e5221d9 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -175,18 +175,20 @@ static int mdio_sc_cfg_reg_write(struct hns_mdio_device *mdio_dev, static int hns_mdio_wait_ready(struct mii_bus *bus) { struct hns_mdio_device *mdio_dev = bus->priv; + u32 cmd_reg_value; int i; - u32 cmd_reg_value = 1; /* waitting for MDIO_COMMAND_REG 's mdio_start==0 */ /* after that can do read or write*/ - for (i = 0; cmd_reg_value; i++) { + for (i = 0; i < MDIO_TIMEOUT; i++) { cmd_reg_value = MDIO_GET_REG_BIT(mdio_dev, MDIO_COMMAND_REG, MDIO_CMD_START_B); - if (i == MDIO_TIMEOUT) - return -ETIMEDOUT; + if (!cmd_reg_value) + break; } + if ((i == MDIO_TIMEOUT) && cmd_reg_value) + return -ETIMEDOUT; return 0; }