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 2CA1BCD98E6 for ; Wed, 17 Jun 2026 03:34:37 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4F76D40A6D; Wed, 17 Jun 2026 05:34:35 +0200 (CEST) Received: from smtpbgsg2.qq.com (smtpbgsg2.qq.com [54.254.200.128]) by mails.dpdk.org (Postfix) with ESMTP id 362ED40679; Wed, 17 Jun 2026 05:34:31 +0200 (CEST) X-QQ-mid: esmtpsz11t1781667266tbcdbb424 X-QQ-Originating-IP: vFfLSYBxKskET98vauRjtLTSoQUbaEUxvh0InuThwO0= Received: from DSK-zaiyuwang.trustnetic.com ( [183.157.22.210]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 17 Jun 2026 11:34:25 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 12003226916428528437 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v7 03/21] net/ngbe: add missing CDR config for YT PHY Date: Wed, 17 Jun 2026 11:33:41 +0800 Message-Id: <20260617033400.376-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260617033400.376-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260617033400.376-1-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: NZcrde3zhHkVxWO/7qw6bV+byY7IZWdQQwWSWLazLbZcECj8lHah4S7l L287cKOj/FCF6Q7e5Zqzmf25GAi2uLBm1fiAJcO4h2+SJwVUa15iQFKFqe+D31GzyX8uQkQ wowKHLpNhXIpbKJW2kRV7DySJclR0Pqib5JAiifIFMcWicUDqHsghIJdKC8TpyPDBGsSH23 N134bQHw5EVOfWlyXnvowpbkw+j1ZjCAwNggvpiPsKickkkIvBkacemlikKhiWbCBZmahxu n44rCUXhxgk2tAdLNTGuxNh0MvQEUp4acT37bptXMa3gUFCvLqqFUipztZfn2wEWldeXgXD 9INNdW2ZV7DN3hbieRtshYpAtXWu0h9ELTqqfStzGKnXEsZCFHRXDLvo6J3/gNozWfa+T/r La7SuuO/bR29nBVuRkeLV/OKGa0vDVd10mbrdsucsqSgRrSCmTA0VXVa3beS1vozwYzRtXr k/+AhCsPP+5B+lkr0toRTN0LZyll74jH/qYUs2VyQ9X9VWLem7RGBqRdbZ8o5ebH4x+BF77 FYx9YVuxYVYmpsKFvXZ/qVzxXn4B0uHNm9ip+CVqqPpPR1m67akCmkGtCkD/pEZY+tWQqfZ NnbQwfnnevk9KzpMqsdEdTmeurzvCEdRVU25O+T2PS7GNMQJPwC2fm6kIBIORwyFOTgZyJd IxTe4E2t8q6ahmRjTnlXUu7IiIZRQa9pCb3xbaMwh0XEYCsnTubksjg7imDnVC/oWwwAWDI trZP2ck7E8zVu6cCjPrBrZU1Lj0n9Eq/yDjyIGpCsojlVsxhcJhf9mmugCRDwxgcuvlrpHo Lvn5ZgeA4Fs9IN8oxUBHPloXM0kAXzSDYmE3CQwYsrlFjtIN+U+/9MQVt4WlL4eHBClG2Lw nm9KmkH1gWp7usl/SaVCppqjpgRyZFjXlfCwrrCNBTq8tHzoIMdZ3B/MOkg60STeDk+6Zgh PjsZy2lRMqWntiNjCLps3fq4X5SpcmYOFeZNSPoQGURpx5YT6Ncn3eYZz3sYTwDjrhZfR/Y 6McbdPPlkQosPO69PosEuYQKen6TvnFf2P+nmUhvFA7gcBMcZPuMprDCUgOF4= 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