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 0DA6FCD37B5 for ; Mon, 11 May 2026 10:36:44 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B3C2F40668; Mon, 11 May 2026 12:36:35 +0200 (CEST) Received: from smtpbg150.qq.com (smtpbg150.qq.com [18.132.163.193]) by mails.dpdk.org (Postfix) with ESMTP id 70AC440657; Mon, 11 May 2026 12:36:33 +0200 (CEST) X-QQ-mid: zesmtpsz3t1778495791tb3419e21 X-QQ-Originating-IP: KfrtGKVCuzPJu0dbV0Y9CtwRFBhkJiWEFkk10V3s+Pc= Received: from DSK-zaiyuwang.trustnetic.com ( [115.204.251.157]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 11 May 2026 18:36:29 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 16799225716457244045 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v4 03/20] net/ngbe: add missing CDR config for YT PHY Date: Mon, 11 May 2026 18:35:45 +0800 Message-Id: <20260511103604.19724-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260511103604.19724-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260511103604.19724-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: MPAlP4yRn0xg/L5qVYxGJiXVNC3wq9T0azsVj6FL0QvIPcr48/u2DDXT EsmEJpr5KrELiKz0v3zuGOEEYdqYUglykqTtlMhtHdehDcEFHPx4ZGaiJF2tjZKwvCs8Z4r J0+4B9+01ER/C88K+DWyXfNB+te0oWhH6kh+fbbrIo1Anx9Olmbssb9O5s+GKLwNMkF2R0U DocWnu8M77CfKIZFD1+yS2xCaNXh5iT82EiajIhmCS4sVdzY4vtql5C3hhxRIE1PqiPdxfe EHeWTYY68srDEz63LWb3a5GmU1H242fgMGIusx1c7dtDZVufQ3Qt8oLWxlnRs+bBDzxqpjG uWitFl5cIfm7nP4NpjC1G1h4YGaotzVfLdZaG2aSEtiDHzQtNuVvwdSTJIk5fvGuKzu8lbv bfPX7W+uAb2AHdELREuARXOUrViZDG6PBOYA8yNqjP5D7rEGbjfYv5Fy8kgR1Zl5ELu7RaZ 7x1kuC7GC4GKPR1uxc/+2SktPJ5TUjHVuRzrby8DhQFER94RW3PSelVzsLNQJhgHufNJiJe pdK5mZxm/5ljxDSp/QphzEUbV/v/CLCm8c34NUfnNvb81vPOYMyp06kmgpQY/lj/zmX+vVN 3eaLxiINMZBjqheEWVD3mlqYyIzZKe3vdl5RgMeJKrEp0/znKfv7BLFqQ5pzZZsWqs4FYdB gDRleVUrhl0jAet6e9wbOs3J7GfvIPCz9/tAIffyrNM+KsIeyFzNaJMXc0bJ+mgqeb3reNC Z2hX+SRp68rlH0ZJ6J8O2DvmDmrjQhGmdH27/x86YKloWiOpT/Ry0lZDa+vhffHJUky4nOj huZ7Jc/utjRBFys8wDaveSg7lJ8f/Mpesz4Pwrv1eQp1lLVhMedeAaRvDpHS+dRnx9PddUU zclJiR6ud7emR5pxaU0+3PybcNOeTc/ChacxFS9RE88glyefm8cKc6HH/j2wJhhxQGg7ABb 3JB/9GwTRLnyZtJZ9yWaH58aSiVhHt1/gNqO79wuh2S/tObBN4n6UVvVr7G5WEIRxAcuaI7 Z17lkI6STYdd/fngJpLdM77oU7MbcFakOMQ7Ho9mQXqxUgKhrzQdGvEGj+0Wdbb2TqsWywA Q== 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