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 95211CD98F2 for ; Mon, 22 Jun 2026 11:11:54 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CE4484065C; Mon, 22 Jun 2026 13:11:43 +0200 (CEST) Received: from smtpbgeu1.qq.com (smtpbgeu1.qq.com [52.59.177.22]) by mails.dpdk.org (Postfix) with ESMTP id E61A44003C; Mon, 22 Jun 2026 13:11:39 +0200 (CEST) X-QQ-mid: esmtpsz18t1782126697t432ba88d X-QQ-Originating-IP: UXMV4YrU/j/rLKlD+Rk51VG1ljUPOWfouRjx616EX+o= Received: from DSK-zaiyuwang.trustnetic.com ( [115.204.248.247]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 22 Jun 2026 19:11:35 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 4766000454688221888 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v9 03/21] net/ngbe: add missing CDR config for YT PHY Date: Mon, 22 Jun 2026 19:10:51 +0800 Message-Id: <20260622111111.21024-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260622111111.21024-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260622111111.21024-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: NFYMAd71kXCpIhHg0Sjh+sO1XXbS9diP6lPVAGFuWmFNQReWgWQLMo9g FneNCKthyWYohPxxkqG1PL/AsljHKC/IIEjVjCOpjaH6Vbj2So/WgyYP24w5WSP3CoLCSgO NuDb/QB22Pn3emV4GIdOiCFcb3Ly6R57tZmh/J4DC9z3FySMMHC5ztENOvEE1pe2RHFpHXq Q0PQs/ywo7Eid7DuSsn4EqAOJif7IukfQ/XlbsqTzj72ksH35+F47gXXhHIgvyGTqeUsHGV qPRlo+88J1+jgrTKFmOPO2zpCOX7g4azCsV1oeYqUiqUL+dmMpnNabxNNOlAXfEBC6NKEWF 8VSz3KkhNfLsPt8IRd/9n2OMU5UWT/n8uykr1Mm9VImrwozOP4GK5pxYSrxkcyBKgzOsDOE B2oIF2nQlTsZ4HSmFDAGT7y/u1NKVD/EBZWFrcTfgfiHssTmKrVHipR75GPIc0eAGIz1szc aCGSwzEDyg1EA/SexwEEJT6LA8vDNzF8lSPfKSY4hxh4IYIiYBPFvTmjdynKVHcFnfpz+cE rJIGJWE6T9fgi4+6aQ4byGaUKwF3JdAIaoHjTnfQi8OwWq3Pnd/aj6Y1rzIqkmLHo9NthPG TZcmfVbsvEg+jELWDc/FajN36h7hqOLx15QJHT//oX/ClzuHGcsyEtgyzPclm0i0+EHj4TB 3qClgxDbFNiqqh5cWVnqTWlrPTkrAJE16gFtpniTPacSbIA2nMUfVDTVR9XUuzCTnmY+pVg m6GCIi/1UAIJndVGKS/9zEO7aCpn5txLio2u/WIGHBVA5ZxW6jcwYTukbFMnIlTOg10Rh1n +OX3zJW2v78GYrQ/vSJjFqdBMN2THNShVFYkoKwQ1Tghgpf58BE7qA43QlHloJ7ac2l2eng VqKYypMPGk4FVBnd/NNHpigTV534yeCnOene5rVgziXWfSW2+W1a+8ZOc8WJlKi2ymZlAb4 JMecAUpIMdSWvmCuLEYDEWVrh0V6RkAdtOFI5lglnwxB0JYy+9l1Ku3GAnoweRl+T6fWwfR f/fOPKYYBufkJ6kgaQc58hvi2wZ941Z7ly0SihfpjNaOflNs87rUnpQgMOqatdoZmA6p8ic IhXQpSrvr15f1KcAiBn03OgMTB4YnLo3wzerOq2wXIy X-QQ-XMRINFO: M/715EihBoGS47X28/vv4NpnfpeBLnr4Qg== 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