From patchwork Fri Aug 24 03:42:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lipeng (Y)" X-Patchwork-Id: 961675 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41xRDN0fJ6z9s47 for ; Fri, 24 Aug 2018 13:12:52 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727522AbeHXGpO (ORCPT ); Fri, 24 Aug 2018 02:45:14 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:35173 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726174AbeHXGpO (ORCPT ); Fri, 24 Aug 2018 02:45:14 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 2E38FB2CD407C; Fri, 24 Aug 2018 11:12:33 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.399.0; Fri, 24 Aug 2018 11:12:26 +0800 From: Peng Li To: CC: , , , , , Subject: [PATCH NET 3/3] net: hns: add configuration constraints for 1000M half Date: Fri, 24 Aug 2018 11:42:23 +0800 Message-ID: <1535082143-122281-4-git-send-email-lipeng321@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1535082143-122281-1-git-send-email-lipeng321@huawei.com> References: <1535082143-122281-1-git-send-email-lipeng321@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hisilicon hip05 and hip06 board network card do not support 1000M half configuration. Driver can not config gmac as 1000M half. Signed-off-by: Peng Li --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c index 09e4061..c1d062e 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c @@ -272,6 +272,11 @@ static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed, { struct mac_driver *drv = (struct mac_driver *)mac_drv; + if (full_duplex == DUPLEX_HALF && speed == MAC_SPEED_1000) { + dev_err(drv->dev, "HW do not support 1000M half\n"); + return -EINVAL; + } + dsaf_set_dev_bit(drv, GMAC_DUPLEX_TYPE_REG, GMAC_DUPLEX_TYPE_B, !!full_duplex);