Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 6.1 12/17] net: sfp: add quirk enabling 2500Base-x for HG MXPD-483II | Date | Wed, 12 Apr 2023 22:36:40 -0400 |
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From: Daniel Golle <daniel@makrotopia.org>
[ Upstream commit ad651d68cee75e9ac20002254c4e5d09ee67a84b ]
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 <chowtom@gmail.com> Tested-by: chowtom <chowtom@gmail.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/phy/sfp.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 40c9a64c5e301..f12e3128d4315 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -389,6 +389,10 @@ 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, -- 2.39.2
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