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 6685DFF8867 for ; Wed, 29 Apr 2026 10:26:22 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B14B340667; Wed, 29 Apr 2026 12:26:17 +0200 (CEST) Received: from smtpbgeu2.qq.com (smtpbgeu2.qq.com [18.194.254.142]) by mails.dpdk.org (Postfix) with ESMTP id EC0F6402A3; Wed, 29 Apr 2026 12:26:15 +0200 (CEST) X-QQ-mid: esmtpgz10t1777458373t48689d41 X-QQ-Originating-IP: sV3fcs8heYA78nyBk5F0ueZP5kUNj2jizoa4xiESJCY= Received: from DSK-zaiyuwang.trustnetic.com ( [36.24.191.108]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 29 Apr 2026 18:26:06 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 16355615102933835324 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v2 03/20] net/ngbe: add missing CDR config for YT PHY Date: Wed, 29 Apr 2026 18:24:57 +0800 Message-Id: <20260429102515.58880-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260429102515.58880-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260429102515.58880-1-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: OVAgSpUT8SOP5hccfj55PyUNRKp3XPUM8jJ7e53ZzS9wUUwRRBGsuZWI G+SQ/W3QUmRaGqamNqoPQqkn3JrzAxCGE36bvcZ32Gv2NKjzKypo27M01owlaYvqrq1vPip FEXy92vmLJPfaEvh9PBay4jENdd+BnjXpEVIKKhRRXFcTniZcu4ujETFGf/fFxkyC5Hn81D xOAlsw4cL2KfB5Z5NZUJWX0ddmbVsDacdysJAkqCC80C+TLNCVTsPwIamWQQ5ndM7JZzQtM Y4tgdT8q6esJXWfKAORO5RVJCp0cJMTCKgxGVXEvvg90vzb1zGdpnqDY8qK3A84dO80imIE QitpiHSNODtRhkI5ZhABHouPYyL+kUw1pojDvwxpb8+BH+AVqr1LETNkK7wF0JZrIXhDl8y C8vizEyiDqf5cFLQEaiKfAgcDlSzdAz2SbHnhgwIJ8qPDvNIsl0O3NP72p129UO26tSDog0 U275Fd5uxJboAjyw8sx32Dwr4ZvlydhphGCkR1S8wRrq9rAPAEyNO5b+8pfcj54EXBbXs01 GVWObZTRYxRRutt4ONU7IZ0CYGgBAgp7EVtLBzPucZsZyQ5oWIExRo9c4n4ex8OAJvyTyco GJLFFq7Ae9I1vYvORjPCI5ZMKfSxr5+fxmYkSjnvBFMvHilfu9Oj5/0MYNP1FMmPiIbuWl4 BI6rGg113ECSN5F/2fycnYNcf/Ggzc0wsCMncrN4/6cQQeGOhmQnDfDppH/mk7XA6yxCNFQ +usaeKxFboumpwr61MXZGA4m42P4lmErea236b7SEf1wRLrDQgmTQyf8n9au+z6RTDaHI83 refrlKBqMnMrrumxVRO0aQDhEHle76Dh8xQ1lcsq2hFKW+dp1ikFfqKXbqaOiHFJdam4l4x Xb3I3ZdIxthJC2O1HyPQNgA9gWb/s5HIBG/S490PmNsgY+jT7zgWlxdyvcTgo+4aJIqLWfo lNILdWA5kqcVFrN6O/3Wvwbmhv7L20uZdnupCBiQnn6pq9tM+Npn0nosrF4wDSPIAn33zcP Ho8Gk5RoT7YnTaSWNGbc4XaHFlaHXUiqk/7k0hYMEmXU+tgflm 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