From mboxrd@z Thu Jan 1 00:00:00 1970 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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85858CD343F for ; Sat, 9 May 2026 11:29:09 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 051F140664; Sat, 9 May 2026 13:29:01 +0200 (CEST) Received: from smtpbgeu1.qq.com (smtpbgeu1.qq.com [52.59.177.22]) by mails.dpdk.org (Postfix) with ESMTP id 9DCD14064F; Sat, 9 May 2026 13:28:58 +0200 (CEST) X-QQ-mid: zesmtpgz1t1778326136t6bef0f13 X-QQ-Originating-IP: 7t6ta4T1FNITKHGYceGMOBM3pAyn2erp+hBB4nOBFVg= Received: from DSK-zaiyuwang.trustnetic.com ( [115.204.251.157]) by bizesmtp.qq.com (ESMTP) with id ; Sat, 09 May 2026 19:28:54 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 11883211596100321418 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v3 03/20] net/ngbe: add missing CDR config for YT PHY Date: Sat, 9 May 2026 19:28:05 +0800 Message-Id: <20260509112823.7728-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260509112823.7728-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260509112823.7728-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: MALXGmGsaHY4SGRzwgArg7ixvoBeY374iROTX8pJKWrhjhCevHCW4AGO PzIlsA6oqEjZZn9Qq5JrgT8AAQ0LWKZra/thbNjg6O8lgPI8nHejawF08aiq9rNfPF6fkrg RvC+t1oedYPlM9VT8Z7MErsbCgL6LG4ztJk/7VcxqCn4AIlUv1FPZ7qjtrrrUM/adynIp++ Zi9xzwnZkRdH9XKn/DTEfj0PTUFBzRXpLHqk+TdalYpRCLLdUc6y7B5XA1iUrILsjC0nhyH BhLVjPV+3Ka2fA2sKlkYCUGtOt50YheYTCLokWkyv/cp6T/5N6ys18v36girVaAaguCrT63 ziWmZWlOBGdnINxQTjLzOmJ4R0uYQhH1FQRBajAJguoiM9UEjsXEJphKIdcVVexlaimJHv4 nRmAK6SaMRizAJjjyKVFDenXq6FjcsSVhj5ZfC/hutn7Ih2bW0jZCMFjBfBrCKBnS+pCnBI BowVVSRy7YOmNkjuk/h2//7OvX9eKr2XnYG+LVybQe/lkNtDSkaillhduj8Z9bnCs34U/VC vw/rxRn4iH0uiKURJZVck0ghZzxcDYfsB1/5WznhwB2HaAL68Wdm5RHm+7Y3vAI4KQV+q9D P2tvQrudCbs8kinX7EDXab7bCMJPDIQENOVaevHXig7k+Kx5R3iuFOZKZlwou0xeQzdMh0P BXDZ9orLennDsiVHwWxNZQtDaE9QIPhOM8LbGOGbX7wdOFMU9rS1Zw53TTf1DaAN5U9dbWm oxMe0+hDtZmdS9QTvxnPvKoIsh2ZvfeQAuWl99JOJreXiyXCF+7FjJqVOI2B8yrdQCpm984 Iar5tZqk/6VfJDvFy91ynT+u1AoFYwJ+dWrNpYcP9V3gU4yiZopY8y6WzK0jspQT1nSQB/U B63J/Uc/neh3+u/SRlI0qyD/OecYTCPSGDPUpHeUcR6+lBsdMc8Ndl0vjX11oFXBvRO1LrM qhByZOEtPhWEeD2LVurx9OvvHM5wfel41yBqMjYz+99B37oe12i1NO52EY11UGlLzy9ce4f yvHRjizTxOKhgs7TSTxhn7Dd3q0aL+YCFsiM2KHvcsQEZ7SBcKHNKek8EijegLrJJM+Rd75 +KeNhWErnsu X-QQ-XMRINFO: NyFYKkN4Ny6FuXrnB5Ye7Aabb3ujjtK+gg== X-QQ-RECHKSPAM: 0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org According to the PHY vendor, when YT8531S operates in UTP-to-Fiber or RGMII-to-Fiber mode with auto-negotiation disabled (Force mode), additional CDR (Clock Data Recovery) configuration is required to improve link connectivity. Without this config, link may be unstable or fail to establish. Fixes: f1268369403d ("net/ngbe: support autoneg on/off for external PHY SFI mode") Cc: stable@dpdk.org Signed-off-by: Zaiyu Wang --- drivers/net/ngbe/base/ngbe_phy_yt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ngbe/base/ngbe_phy_yt.c b/drivers/net/ngbe/base/ngbe_phy_yt.c index d110fbc8b2..ab0778d246 100644 --- a/drivers/net/ngbe/base/ngbe_phy_yt.c +++ b/drivers/net/ngbe/base/ngbe_phy_yt.c @@ -264,6 +264,9 @@ s32 ngbe_setup_phy_link_yt(struct ngbe_hw *hw, u32 speed, value = YT_BCR_RESET | YT_BCR_ANE | YT_BCR_RESTART_AN | YT_BCR_DUPLEX | YT_BCR_SPEED_SELECT1; } else { + /* force mode need to config cdr */ + ngbe_write_phy_reg_sds_ext_yt(hw, 0x3, 0, 0x1434); + ngbe_write_phy_reg_sds_ext_yt(hw, 0xe, 0, 0x163); value = YT_BCR_RESET | YT_BCR_DUPLEX; if (speed & NGBE_LINK_SPEED_1GB_FULL) value |= YT_BCR_SPEED_SELECT1; -- 2.21.0.windows.1