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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 ","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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","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\" "},"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"}