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 F2AB7CDB47F for ; Wed, 24 Jun 2026 11:53:14 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 244D5400EF; Wed, 24 Jun 2026 13:53:14 +0200 (CEST) Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) by mails.dpdk.org (Postfix) with ESMTP id 5296D40666; Wed, 24 Jun 2026 13:53:08 +0200 (CEST) X-QQ-mid: esmtpgz10t1782301986t8e42fac1 X-QQ-Originating-IP: u0cnE0KLx9Xc797biB9apU0mdYOliETgRYEYxv6G/BE= Received: from DSK-zaiyuwang.trustnetic.com ( [115.204.248.247]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 24 Jun 2026 19:53:04 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 2903655738286214701 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v10 03/21] net/ngbe: add missing CDR config for YT PHY Date: Wed, 24 Jun 2026 19:52:35 +0800 Message-Id: <20260624115254.20348-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260624115254.20348-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260624115254.20348-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpgz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: OEM1rzvTEGt3v+KGZzU11NTUxtsw2/qBDLCBRz2DWMNvoPlyK5vrmftJ b6qIcM1d/7S8bkdJUM3si6RRxsD1A3U5h3p+SvdniBeGl7pOUeHJVTbO4e7QdGqw3+tufpz yhY9VPQa/HM6rcAdvoCbWLMVZCgYvG7HvkdK4y0JVx2It1uYFzBjevvzduqWJS+nv37QWpP vBpIpnN6wPNtOXBHrNDb/CBwZDAujqdIBLoPon0dORWofd5DZ0xqfdMWQPFBHfYkeHmQZdn gxymBQOFIDgEYz3+Ii4TOCsRTVg9g5+J/TjtqOPKaVKNOQdqgdMIeGle58BZ0mlseVf1IdT r+itviG1gCTdqdkv69v+UXo6buV73YM2SKQeNl94GEjw5yB7v1jcNTQw2WNd1iA0sY0AHYK lkA3Z5JeTcOEqnvgta9o1OHoWBDDWmlk/21j0DOdhI1rCSsHz4jNKYCt8JiFqJ+FtGSwOzI HvRA8HsWA3Is2Yg+fPmS76pxGZL9uSKf0xmBwiex4PjUD8bisBzln+WwkQZOp1DUaVHBCOw MXhdh7ES4tHROD9FUJGbXi6sd2PHTVxbEMJaPyzSoji5v7OgrsXHe0IxCinS3YIUxxw3Z1s Au1OKVxf0NQkvRFsfTR5HjnLbYQQ3xjhLGy+JN58JGcywL02xBoITvMdcrYENEGZuO7vHDn dvtQvMfnX/byf3EmsnwQJ4K/gGl0d8WQKxCK2nty0tEh6Cwl3rcwoLMJdmS6LFaB5OKFzI/ 0OOBOsFBNOOZ4+ffndOxo22xjjjiUhAzegUuIq1NbdjKZjDYaEMNFQH4b4x864+GMrYfkCh atF3+CNJOsctBbmKUGCI1xnYPHs27x6sjX2SAc5+YUGPAST5QPEB47XZrAWvL3NaQuuw8QX 89HfssGw+/ILSi6ZQ54BTAPLq6orxdHIrNHI9MOjZ1EIAuvuY1vlEUyN9XXpDeY+pvnuPnw eKnJ9U3rqBR+nJhKvxzL1fy4n2aMhmFTlHGpwueAbaUb5/BocklIBU7VmO7jdkJOujDzl4d hlR1+auDaDeKGNnkQQkjmF18WbGCjUFks+2kQXSc8yl4tBrc3iNJpc7zsF+Abq1uzE9xx19 nZqUQS8v51Htb5qvqYslqreZ/QaxwW7qfQJJGTtOYn5 X-QQ-XMRINFO: NI4Ajvh11aEjEMj13RCX7UuhPEoou2bs1g== 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