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{ "id": 2226445, "url": "http://patchwork.ozlabs.org/api/covers/2226445/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/cover/20260422123144.485930-1-grzegorz.nitka@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260422123144.485930-1-grzegorz.nitka@intel.com>", "list_archive_url": null, "date": "2026-04-22T12:31:42", "name": "[0/2] ice: ptp: fix E825 timer synchronization and locking", "submitter": { "id": 82711, "url": "http://patchwork.ozlabs.org/api/people/82711/?format=api", "name": "Grzegorz Nitka", "email": "grzegorz.nitka@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/cover/20260422123144.485930-1-grzegorz.nitka@intel.com/mbox/", "series": [ { "id": 501005, "url": "http://patchwork.ozlabs.org/api/series/501005/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=501005", "date": "2026-04-22T12:31:42", "name": "ice: ptp: fix E825 timer synchronization and locking", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501005/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2226445/comments/", "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=NAmJmWr2;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::137; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp4.osuosl.org 85E8D42647", "OpenDKIM Filter v2.11.0 smtp1.osuosl.org 2FB7A84219" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1776861354;\n\tbh=BIa6lWfCk/wv5XroWoUbfz1ORMPEZN2Zcr1yAmkuUTs=;\n\th=From:To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:\n\t List-Post:List-Help:List-Subscribe:Cc:From;\n\tb=NAmJmWr2c2US6E5ZCmFMl+MnAk1yY4MJ0QE8JaYh5qjinFLnCStTEWqZloOPZ1JWM\n\t jI3aPDQj1IK6hvexxmXANVpwL4ED/SRAM8VHpbkz1WXaxiNwux+NQlnS8F87djEc+3\n\t 9BSBENVfx+lwHJAPqRM/sTo7ZaQxiabl0iioGvsh/+qJC+O81MGSKGG5AdcHFBvQLg\n\t mT9S7jmR9m4h1blQpcHblI2wnAfciT+Z+tXGX4lcnb/dhsHyRdyyfG+z5EhuW53x3V\n\t TcLHa+XfcuCAvhTmvJGu+My6TYIZojnEL+Pkbc+drR5DG8HKDNtQAFcXLkZE3QfAF0\n\t iKaWXtkZyHusA==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.18;\n helo=mgamail.intel.com; envelope-from=grzegorz.nitka@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp1.osuosl.org 2FB7A84219", "X-CSE-ConnectionGUID": [ "n4Yxv2xUTqO/1yRj0Odj4A==", "xUojld6nRtKRTMQ5LXjtZA==" ], "X-CSE-MsgGUID": [ "mLMI56M4R8WDjsb0kqV4XQ==", "t98CEG3SR5yuPoqjPZs11g==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11764\"; a=\"77826151\"", "E=Sophos;i=\"6.23,192,1770624000\"; d=\"scan'208\";a=\"77826151\"", "E=Sophos;i=\"6.23,192,1770624000\"; d=\"scan'208\";a=\"229167424\"" ], "X-ExtLoop1": "1", "From": "Grzegorz Nitka <grzegorz.nitka@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Wed, 22 Apr 2026 14:31:42 +0200", "Message-Id": "<20260422123144.485930-1-grzegorz.nitka@intel.com>", "X-Mailer": "git-send-email 2.39.3", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1776861349; x=1808397349;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=5Rx8FzAFlkPbSNLE1tihtAPpSgQCtHK0fEk6lBOaH3I=;\n b=Ea2fniLxkkb2XlKIXg0s/D0v737h7gp/nt1sqtxhj+M97MOTffnLaQNX\n vevKnA/4itILAUjo+LF4OYg7wetpDVY3s9JJ56ntPmSeo1SCQe4M7sIc1\n gBT08yN6JIsiVRy0g9Te0uQjSD9dA7l8G3raYoQbSMroPrdYvTIospMfB\n AKYzPwKeQYSsXYN7+f9rjke8QguX9Qwtc1hDHs/Bivw6mORmwKybtIS0x\n oDvLP9FfaWWZyDFhemTrJNUfMxScMoUNb7m3PDWeJ4Jm5ClYC80UhUW+9\n z3JhnbsaWL59gd+dmAochnzyk6Qx+0vSv1WRYAnNcK8TVNkXehtZTeCMa\n Q==;", "X-Mailman-Original-Authentication-Results": [ "smtp1.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp1.osuosl.org;\n dkim=pass (2048-bit key,\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=Ea2fniLx" ], "Subject": "[Intel-wired-lan] [PATCH 0/2] ice: ptp: fix E825 timer\n synchronization and locking", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Cc": "netdev@vger.kernel.org, anthony.l.nguyen@intel.com,\n przemyslaw.kitszel@intel.com", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "These two fixes address E825 PTP synchronization issues in\nice_ptp_hw.c.\n\nThe first patch serializes PHY timer start against concurrent PTP\ncommand paths by holding the global PTP semaphore while programming\nTIMETUS registers and issuing INIT_INCVAL.\n\nThe second patch fixes semaphore access for E825 2xNAC configurations by\nmaking ice_ptp_lock() and ice_ptp_unlock() use the primary NAC register\nblock, matching the rest of the primary-only PTP register access path.\n\nTogether, the series closes two locking gaps in E825 timer control: one\nduring PHY timer initialization and one in 2xNAC semaphore selection.\n\nGrzegorz Nitka (2):\n ice: ptp: serialize E825 PHY timer start with PTP lock\n ice: ptp: use primary NAC semaphore on E825\n\n drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 24 +++++++++++++++++++--\n 1 file changed, 22 insertions(+), 2 deletions(-)\n\n\nbase-commit: 3662329d3f304a421e0230ee3913dab021ec3a3d" }