From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C4DEF33CA for ; Mon, 15 Apr 2024 01:17:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.191 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713143844; cv=none; b=p9C7JLodS2g7K4gMHpETz2DHyi73kURMI9IrlZd+ZWU0t6YPYtjQAJAINCqcUEWb6odWmOIIAWLYEtCc5sMeCthaHUoYSUL6Qn3+1vue/1Dq30iIb/Z+nt1NEAV7nHKMfiIINWCA7qndPLJpFMGKsAYMsZZRjaNNtzTGmY5O5Tw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713143844; c=relaxed/simple; bh=U9JG8TZM3FnZ06qQJ0sxIT4Cybxdc176DamOpSNqkwo=; h=Message-ID:Date:From:MIME-Version:To:CC:Subject:References: In-Reply-To:Content-Type; b=jTzvzEHQa5A/4KmimaCWVXcsUh2H+TgCSVKO0AhGNbLPHgmWhv7K71EIQK48V4u8YeIWnTqgmcCmXqzapRh0owJXeNFvQKz9sCIIkFGemZwplRAHaTeH1C4NO4uAm34xCU+8VQrAa3GKjI2U5YvMKheFjzdwc6ZpyWrpbiCked0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=hisilicon.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.191 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=hisilicon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.17]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4VHq2J4Zr6z1hwMy; Mon, 15 Apr 2024 09:14:16 +0800 (CST) Received: from kwepemd500014.china.huawei.com (unknown [7.221.188.63]) by mail.maildlp.com (Postfix) with ESMTPS id 66AAD1A0172; Mon, 15 Apr 2024 09:17:12 +0800 (CST) Received: from [10.67.121.2] (10.67.121.2) by kwepemd500014.china.huawei.com (7.221.188.63) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Mon, 15 Apr 2024 09:17:11 +0800 Message-ID: <661C8017.1070203@hisilicon.com> Date: Mon, 15 Apr 2024 09:17:11 +0800 From: Wei Xu User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 To: Huisong Li CC: , , , , , Subject: Re: [PATCH 1/2] soc: hisilicon: kunpeng_hccs: Add the check for obtaining complete port attribute References: <20240403081935.24308-1-lihuisong@huawei.com> <20240403081935.24308-2-lihuisong@huawei.com> In-Reply-To: <20240403081935.24308-2-lihuisong@huawei.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemd500014.china.huawei.com (7.221.188.63) Hi Huisong, On 2024/4/3 16:19, Huisong Li wrote: > The hccs_get_all_port_attr() is used to obtained the attribute of all > ports on a specified DIE from firmware. However, this interface doesn't > ensure whether firmware reports the complete attribute of all ports or not. > So this patch adds the check for this. > > Signed-off-by: Huisong Li > --- > drivers/soc/hisilicon/kunpeng_hccs.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c > index 9ff70b38e5e9..bb69a95b5f2d 100644 > --- a/drivers/soc/hisilicon/kunpeng_hccs.c > +++ b/drivers/soc/hisilicon/kunpeng_hccs.c > @@ -556,6 +556,12 @@ static int hccs_get_all_port_attr(struct hccs_dev *hdev, > start_id = rsp_head.next_id; > } > > + if (left_buf_len != 0) { > + dev_err(hdev->dev, "do not get the expected port number(%u) attribute.\n", How about changing to "failed to get the expected port number(%u) attribute.\n"? Best Regards, Wei > + size); > + return -EINVAL; > + } > + > return 0; > } > >