From ad651d68cee75e9ac20002254c4e5d09ee67a84b Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Sun, 2 Apr 2023 12:44:37 +0100 Subject: net: sfp: add quirk enabling 2500Base-x for HG MXPD-483II The HG MXPD-483II 1310nm SFP module is meant to operate with 2500Base-X, however, in their EEPROM they incorrectly specify: Transceiver type : Ethernet: 1000BASE-LX ... BR, Nominal : 2600MBd Use sfp_quirk_2500basex for this module to allow 2500Base-X mode anyway. https://forum.banana-pi.org/t/bpi-r3-sfp-module-compatibility/14573/60 Reported-by: chowtom Tested-by: chowtom Signed-off-by: Daniel Golle Reviewed-by: Russell King (Oracle) Signed-off-by: David S. Miller --- drivers/net/phy/sfp.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index fb98db61e06c..8af10bb53e57 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -387,6 +387,10 @@ static const struct sfp_quirk sfp_quirks[] = { SFP_QUIRK_F("HALNy", "HL-GSFP", sfp_fixup_halny_gsfp), + // HG MXPD-483II-F 2.5G supports 2500Base-X, but incorrectly reports + // 2600MBd in their EERPOM + SFP_QUIRK_M("HG GENUINE", "MXPD-483II", sfp_quirk_2500basex), + // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd NRZ in // their EEPROM SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex, -- cgit v1.2.3