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| author | Jakub Kicinski <[email protected]> | 2025-07-11 01:08:18 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2025-07-11 01:08:19 +0000 |
| commit | 2dfa4e31768bd73bc02a69f8f2cd11dd95f062bf (patch) | |
| tree | 47fe190908ca9a4a7228e22a4bfb25cb15f127c3 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | ibmvnic: Fix hardcoded NUM_RX_STATS/NUM_TX_STATS with dynamic sizeof (diff) | |
| parent | net: phy: microchip: limit 100M workaround to link-down events on LAN88xx (diff) | |
| download | kernel-2dfa4e31768bd73bc02a69f8f2cd11dd95f062bf.tar.gz kernel-2dfa4e31768bd73bc02a69f8f2cd11dd95f062bf.zip | |
Merge branch 'net-phy-microchip-lan88xx-reliability-fixes'
Oleksij Rempel says:
====================
net: phy: microchip: LAN88xx reliability fixes
This patch series improves the reliability of the Microchip LAN88xx
PHYs, particularly in edge cases involving fixed link configurations or
forced speed modes.
Patch 1 assigns genphy_soft_reset() to the .soft_reset hook to ensure
that stale link partner advertisement (LPA) bits are properly cleared
during reconfiguration. Without this, outdated autonegotiation bits may
remain visible in some parallel detection cases.
Patch 2 restricts the 100 Mbps workaround (originally intended to handle
cable length switching) to only run when the link transitions to the
PHY_NOLINK state. This prevents repeated toggling that can confuse
autonegotiating link partners such as the Intel i350, leading to
unstable link cycles.
Both patches were tested on a LAN7850 (with integrated LAN88xx PHY)
against an Intel I350 NIC. The full test suite - autonegotiation, fixed
link, and parallel detection - passed successfully.
====================
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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