[PATCH AUTOSEL 6.12 24/47] net: sfp: add quirk for 2.5G OEM BX SFP
From: Sasha Levin
Date: Thu Apr 03 2025 - 15:36:52 EST
From: Birger Koblitz <mail@xxxxxxxxxxxxxxxxx>
[ Upstream commit a85035561025063125f81090e4f2bd65da368c83 ]
The OEM SFP-2.5G-BX10-D/U SFP module pair is meant to operate with
2500Base-X. However, in their EEPROM they incorrectly specify:
Transceiver codes : 0x00 0x12 0x00 0x00 0x12 0x00 0x01 0x05 0x00
BR, Nominal : 2500MBd
Use sfp_quirk_2500basex for this module to allow 2500Base-X mode anyway.
Tested on BananaPi R3.
Signed-off-by: Birger Koblitz <mail@xxxxxxxxxxxxxxxxx>
Reviewed-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20250218-b4-lkmsub-v1-1-1e51dcabed90@xxxxxxxxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/phy/sfp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index dcec92625cf65..9a5de80acd2f7 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -515,6 +515,8 @@ static const struct sfp_quirk sfp_quirks[] = {
SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc),
SFP_QUIRK_M("OEM", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
+ SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-D", sfp_quirk_2500basex),
+ SFP_QUIRK_M("OEM", "SFP-2.5G-BX10-U", sfp_quirk_2500basex),
SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc),
SFP_QUIRK_F("OEM", "RTSFP-10G", sfp_fixup_rollball_cc),
SFP_QUIRK_F("Turris", "RTSFP-2.5G", sfp_fixup_rollball),
--
2.39.5