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+From ad651d68cee75e9ac20002254c4e5d09ee67a84b Mon Sep 17 00:00:00 2001
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+From: Daniel Golle <[email protected]>
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+Date: Sun, 2 Apr 2023 12:44:37 +0100
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+Subject: [PATCH] net: sfp: add quirk enabling 2500Base-x for HG MXPD-483II
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+
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+The HG MXPD-483II 1310nm SFP module is meant to operate with 2500Base-X,
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+however, in their EEPROM they incorrectly specify:
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+ Transceiver type : Ethernet: 1000BASE-LX
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+ ...
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+ BR, Nominal : 2600MBd
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+
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+Use sfp_quirk_2500basex for this module to allow 2500Base-X mode anyway.
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+
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+https://forum.banana-pi.org/t/bpi-r3-sfp-module-compatibility/14573/60
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+
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+Reported-by: chowtom <[email protected]>
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+Tested-by: chowtom <[email protected]>
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+Signed-off-by: Daniel Golle <[email protected]>
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+Reviewed-by: Russell King (Oracle) <[email protected]>
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+Signed-off-by: David S. Miller <[email protected]>
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+---
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+ drivers/net/phy/sfp.c | 4 ++++
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+ 1 file changed, 4 insertions(+)
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+
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+--- a/drivers/net/phy/sfp.c
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++++ b/drivers/net/phy/sfp.c
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+@@ -366,6 +366,10 @@ static const struct sfp_quirk sfp_quirks
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+ .part = "HL-GSFP",
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+ .fixup = sfp_fixup_halny_gsfp,
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+ }, {
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++ .vendor = "HG GENUINE",
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++ .part = "MXPD-483II",
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++ .modes = sfp_quirk_2500basex,
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++ }, {
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+ // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd
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+ // NRZ in their EEPROM
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+ .vendor = "HUAWEI",
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