From patchwork Sat Apr 23 09:05:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yisen.Zhuang(Zhuangyuzeng)" X-Patchwork-Id: 8917191 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C3CF6BF29F for ; Sat, 23 Apr 2016 08:50:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D27EA201CD for ; Sat, 23 Apr 2016 08:50:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EF23E201C0 for ; Sat, 23 Apr 2016 08:50:29 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1attFC-000714-WF; Sat, 23 Apr 2016 08:48:51 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1attEs-0006CG-Mc for linux-arm-kernel@lists.infradead.org; Sat, 23 Apr 2016 08:48:35 +0000 Received: from 172.24.1.49 (EHLO SZXEML423-HUB.china.huawei.com) ([172.24.1.49]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DFW56522; Sat, 23 Apr 2016 16:46:59 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by SZXEML423-HUB.china.huawei.com (10.82.67.154) with Microsoft SMTP Server id 14.3.235.1; Sat, 23 Apr 2016 16:46:42 +0800 From: Yisen Zhuang To: , , Subject: [PATCH v2 net-next 10/13] net: hns: add attribute port-mode-offset for dsaf port node Date: Sat, 23 Apr 2016 17:05:14 +0800 Message-ID: <1461402317-136499-11-git-send-email-Yisen.Zhuang@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461402317-136499-1-git-send-email-Yisen.Zhuang@huawei.com> References: <1461402317-136499-1-git-send-email-Yisen.Zhuang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.571B3683.00A5, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 67a65c1b861d9fe892d130736c0470d1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160423_014831_132080_4DC4A946 X-CRM114-Status: GOOD ( 15.09 ) X-Spam-Score: -5.2 (-----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, salil.mehta@huawei.com, yankejian@huawei.com, xieqianqian@huawei.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, catalin.marinas@arm.com, lipeng321@huawei.com, will.deacon@arm.com, linuxarm@huawei.com, xuwei5@hisilicon.com, robh+dt@kernel.org, huangdaode@hisilicon.com, galak@codeaurora.org, liguozhu@huawei.com, davem@davemloft.net Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Port mode offset for each dsaf port is different. The current code is not so readability. This patch adds configuration named port-mode-offset to make the code simple and more readability. If port-mode-offset isn't exists, default value 0 will be used. Signed-off-by: Daode Huang Signed-off-by: Yisen Zhuang --- change log: PATCH v2: - put DT bindings in separate patches. PATCH v1: - first submit --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 10 +++++ drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h | 1 + drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c | 44 ++++++++++------------ 3 files changed, 30 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 52d757d..1c8fdd3 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -665,6 +665,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) mac_cb->max_frm = MAC_DEFAULT_MTU; mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME; mac_cb->port_rst_off = mac_cb->mac_id; + mac_cb->port_mode_off = 0; /* if the dsaf node doesn't contain a port subnode, get phy-handle * from dsaf node @@ -703,6 +704,15 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) mac_cb->mac_id); } + ret = fwnode_property_read_u32(mac_cb->fw_port, + "port-mode-offset", + &mac_cb->port_mode_off); + if (ret) { + dev_dbg(mac_cb->dev, + "mac%d port-mode-offset not found, use default value.\n", + mac_cb->mac_id); + } + syscon = syscon_node_to_regmap( of_parse_phandle(to_of_node(mac_cb->fw_port), "cpld-syscon", 0)); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h index 7be7104..97ce9a7 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.h @@ -319,6 +319,7 @@ struct hns_mac_cb { struct regmap *cpld_ctrl; u32 cpld_ctrl_reg; u32 port_rst_off; + u32 port_mode_off; struct mac_entry_idx addr_entry_idx[DSAF_MAX_VM_NUM]; u8 sfp_prsnt; u8 cpld_led_value; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index e549a11..a837bb9 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -265,37 +265,31 @@ phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb) { u32 mode; u32 reg; - u32 shift; - u32 phy_offset; bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver); int mac_id = mac_cb->mac_id; - phy_interface_t phy_if = PHY_INTERFACE_MODE_NA; + phy_interface_t phy_if; - if (is_ver1 && HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) { - phy_if = PHY_INTERFACE_MODE_SGMII; - } else if (mac_id >= 0 && mac_id <= 3 && - !HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) { - reg = is_ver1 ? HNS_MAC_HILINK4_REG : HNS_MAC_HILINK4V2_REG; - mode = dsaf_read_sub(mac_cb->dsaf_dev, reg); - /* mac_id 0, 1, 2, 3 ---> hilink4 lane 0, 1, 2, 3 */ - shift = is_ver1 ? 0 : mac_id; - if (dsaf_get_bit(mode, shift)) - phy_if = PHY_INTERFACE_MODE_XGMII; + if (is_ver1) { + if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) + return PHY_INTERFACE_MODE_SGMII; + + if (mac_id >= 0 && mac_id <= 3) + reg = HNS_MAC_HILINK4_REG; else - phy_if = PHY_INTERFACE_MODE_SGMII; - } else { - reg = is_ver1 ? HNS_MAC_HILINK3_REG : HNS_MAC_HILINK3V2_REG; - mode = dsaf_read_sub(mac_cb->dsaf_dev, reg); - /* mac_id 4, 5,---> hilink3 lane 2, 3 - * debug port 0(6), 1(7) ---> hilink3 lane 0, 1 - */ - phy_offset = mac_cb->dsaf_dev->reset_offset - 1; - shift = is_ver1 ? 0 : mac_id >= 4 ? mac_id - 2 : phy_offset; - if (dsaf_get_bit(mode, shift)) - phy_if = PHY_INTERFACE_MODE_XGMII; + reg = HNS_MAC_HILINK3_REG; + } else{ + if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3) + reg = HNS_MAC_HILINK4V2_REG; else - phy_if = PHY_INTERFACE_MODE_SGMII; + reg = HNS_MAC_HILINK3V2_REG; } + + mode = dsaf_read_sub(mac_cb->dsaf_dev, reg); + if (dsaf_get_bit(mode, mac_cb->port_mode_off)) + phy_if = PHY_INTERFACE_MODE_XGMII; + else + phy_if = PHY_INTERFACE_MODE_SGMII; + return phy_if; }