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 85E11CD5BD5 for ; Wed, 27 May 2026 13:03:35 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BE84F40676; Wed, 27 May 2026 15:03:24 +0200 (CEST) Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) by mails.dpdk.org (Postfix) with ESMTP id D605B40650; Wed, 27 May 2026 15:03:21 +0200 (CEST) X-QQ-mid: esmtpsz19t1779886997t02019471 X-QQ-Originating-IP: goWTKZs3aF2k2l7Z8J47BqDEhZ9ZdFG6UIgdctdb+9U= Received: from DSK-zaiyuwang.trustnetic.com ( [122.231.28.113]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 27 May 2026 21:03:15 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 6983871070741500449 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH v5 03/21] net/ngbe: add missing CDR config for YT PHY Date: Wed, 27 May 2026 21:02:03 +0800 Message-Id: <20260527130222.24348-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260527130222.24348-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> <20260527130222.24348-1-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: M7dxyDFn9MPm3JFFHs3TJ1fXgiZ0qUs3M/iwWiARp6UbVCDBVu73ZwvJ XhkiIVSFKUswguPabM00s4xZEWC5NrI4Vu89PR1ocuEsJFh4PlxHKbLWjCjqQvC54yJBial bK/O3SuYISHyT8lpDumYuBNWVoYSdEhClZw6pZI2aVZRoUrS7CBk1woQVKm6BqDQgsJLyNa Yzm8YxGHQwPvI7DY3ZUUe8J3VTDC9VkwGJJbYJfmwxy/r5YrlDpuLUFZDsuGce37365+cPa 2mLg6ZWUHmkHX3vmQZRJUKgeQ+RuVht7RXfZ+oFlHuPfQ8AcpVm9RYYoHPrfeee/amxDNzp W1X4XJg7WhNv8zImS68sRsB7PK3nC0dAGEn3EC8IVm4fdxoI7r2gAk2/YdYWMdX5VOs9Xch fTOMWl0WeBa8t0M5qr6ymQYmwre2iO9uAAqNTRUuDzUYYcD2c9Sh4Ml3XN/zT/mHrZMSR+B bi6ByntAcUNoug3r+gTjXu2HdNDSd5n96qrZhhG7aNIKaO2SCwlZ7g78v1e6wij8OdLWdE4 wWA5nWYvsQAWp1NiRar8fXwEJM5DQ/jtbfSkhTMhFI7KuXyYeR5eZvjuDB2iFBUwDvvWRHf 6OCSLLcuhhqE/PikXsjgS7XCUM/Zm4o21P3FdE+q5ZbiL5nf3clWaHDWz/13SiySeGhuyW3 SFPxjY/LmAAjMQYFMBhtC3tEBf4WioPVnPP8RZrZZF/dmX0seUW2OFblIq0OJG/nb7d+LDV 8pZcVKKnwtJ6LPHTlMeA0gZV6RtAKW67CvYsHvMoOKPwtO5q5+RtNnpZY2sgsbr3mXyu8fT QnlLmQDMXcwwk9rZLF9cjtyfBAw4YtvSnH68NmndzS6cPPnSof0JmLrepXMdWTgtNCONtui u1Yv1qCEOQHxFwW24cLzkzQcrX2kL8GhwDP0JZNYq1TvG4QVyTLpsql698kWTncE7dGjFpS T4byr8O2njcZT8cc9sED6Lf8u4ulUNoAoxRY/vFMexyfMqnNiYCkG8VGRO7kr0dE0B3LVh8 kHZFOmn3gyadUzesq4Sxp2TnnpCzqgw7XZosbZJy6lm+CqhhLpg1Y1CK2Fhjk= 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