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 2C27FCD98E2 for ; Wed, 17 Jun 2026 08:15:04 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A668140679; Wed, 17 Jun 2026 10:14:52 +0200 (CEST) Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) by mails.dpdk.org (Postfix) with ESMTP id 7147940609; Wed, 17 Jun 2026 10:14:48 +0200 (CEST) X-QQ-mid: zesmtpgz4t1781684085t69c489dc X-QQ-Originating-IP: ADb4VU6gUeD+2lA8/hUlmX9+0cxTE5v4/0bej9vwUPg= Received: from DSK-zaiyuwang.trustnetic.com ( [183.157.22.210]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 17 Jun 2026 16:14:43 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 10632538687495224198 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v8 03/21] net/ngbe: add missing CDR config for YT PHY Date: Wed, 17 Jun 2026 16:12:50 +0800 Message-Id: <20260617081309.19124-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260617081309.19124-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260617081309.19124-1-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: Of8SBErQAQJCgSGx94rwbJkuh22ck9LE4wCMNWVSuA/oyWRxaTHuePMo qZsKjZNDPz3zZ9mQ3keAXHkkAXbWyhzmb7JNIY5c2bMjMRzGvXqMzYJN7zIAfqUoEz4v3yI 3uR6o2uoi0JJEeT/m0kbzB50iG2/4bSG9xJ8t/LXHldSNOGDrq4vJZMloqfYMR4ozMht2zf 0jlUJNzE7OVGQzH6Zo3aJzE0tCzNejGBEfYDW3Lda0roNf9KbqlKcl4rFmwD6mVgWwNLc4k +rstunpW+ADDak++AdFKE/fyivlZBI0GPa9LLJPKKXaEmdDk0EYNVf9XeZRiPswdYMHfb8Q yg6vuxCJIxmhOWv2M8TCTtgVXaX6bncczn5s2+7v1Bupd6Odm3E4OfdS51n4SgnC1PFCxzz r+eQm7XdJ6XJWCgmnWWpws838lifA++h8JJ/gA2nSTPxheTSkASkVyrLLD1hUZWeSRgbAy+ +k0fM6kIqcuMbwPvmt9NwFusnbom3Y8rB7GJbTlLz4JP+WS31Zg8/CFOWIyFm580H6Ri8lf 9nYtgcj0cBNO0EKULtsJ2UPT0CZ3HRcvhzp1pBF8EtXVKl+abOC26r4w2NZbodXM5whEmTa RimN/GibwHnRcexA7EQJNoJd7/gzjM9bhMIRiN/Oe+rv1tQlqSPkjqKdkFieLtZvCtZNujs mbfF/6HcCgPsamPRHq23B2iMcH0CqmwkPvoad1ENvkPentT77u88VcSrvWBQlXjnbca03bj bIcG2WkLIsaqLm0zSegovHBASB9mwniUHroJsysfTOqfzWkEbC1O3k/REzDn19U3SL3hq6H KfRmUg9cnDz4oHdGZ8todQJUKsxASNUOEfbDFyrHbw9m9r4fbbwzw+4J71ffznhHBUYLA3z NnPnHALlb9+Z1NZQrOAhihyjZVb6Wf5D5k8abxrZtSpi1DTyhdt5bDoc6D4mHS18zDEuGlr S1Dkh1/NyxidEwV0PiA6S//VL3AH4HoLn9Ew+bBx50Jvx3tyZBXFmo1qXlvVvKcS1Pw2fxM Roy1N1JgQxKRa3/KPYzJOOE8p+o1ouXcidMD2/8immNy6kNR/g4jwG891fT6gmBajqzHfES 6inFyKwQeBJz1KsDyZymMWTDIrj5eKjoA== 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