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| author | Marek Behún <kabel@kernel.org> | 2026-01-28 18:00:44 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-01-29 19:39:56 -0800 |
| commit | 86a8e8e0ddbc3d14c799536eb888180b84d002f3 (patch) | |
| tree | acf396b0881425d4a03de56fdd9006271b7e05f7 /drivers | |
| parent | 988719c5eafd4a6cfdd1a0a607cc2ae537433dd4 (diff) | |
| download | linux-next-86a8e8e0ddbc3d14c799536eb888180b84d002f3.tar.gz linux-next-86a8e8e0ddbc3d14c799536eb888180b84d002f3.zip | |
net: sfp: add quirk for Lantech 8330-265D
Similar to Lantech 8330-262D-E, the Lantech 8330-265D also reports
2500MBd instead of 3125MBd.
Also, all 8330-265D report normal RX_LOS in EEPROM, but some signal
inverted RX_LOS. We therefore need to ignore RX_LOS on these modules.
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://patch.msgid.link/20260128170044.15576-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/sfp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 47f095bd91ce..4746a8af3a8d 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -530,9 +530,13 @@ static const struct sfp_quirk sfp_quirks[] = { SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex, sfp_fixup_ignore_tx_fault), - // Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report - // 2500MBd NRZ in their EEPROM + // Lantech 8330-262D-E and 8330-265D can operate at 2500base-X, but + // incorrectly report 2500MBd NRZ in their EEPROM. + // Some 8330-265D modules have inverted LOS, while all of them report + // normal LOS in EEPROM. Therefore we need to ignore LOS entirely. SFP_QUIRK_S("Lantech", "8330-262D-E", sfp_quirk_2500basex), + SFP_QUIRK("Lantech", "8330-265D", sfp_quirk_2500basex, + sfp_fixup_ignore_los), SFP_QUIRK_S("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant), |