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net: sfp: add quirk for FS's 2.5G copper SFP

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Add a quirk for a copper SFP that identifies itself as "FS" "SFP-2.5G-T".
This module's PHY is inaccessible, and can only run at 2500base-X with the
host without negotiation. Add a quirk to enable the 2500base-X interface mode
with 2500base-T support and disable auto negotiation.

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Link: https://lore.kernel.org/r/20230925080059.266240-1-Raju.Lakkaraju@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Raju Lakkaraju 2023-09-25 13:30:59 +05:30 • committed by Paolo Abeni
parent f25e621f5d
commit e27aca3760
1 changed files with 3 additions and 0 deletions
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3
drivers/net/phy/sfp.c
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@ -468,6 +468,9 @@ static const struct sfp_quirk sfp_quirks[] = {
SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex, SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex,
sfp_fixup_ignore_tx_fault), sfp_fixup_ignore_tx_fault),
// FS 2.5G Base-T
SFP_QUIRK_M("FS", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
// Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report // Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
// 2500MBd NRZ in their EEPROM // 2500MBd NRZ in their EEPROM
SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex), SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex),