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38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
From ad651d68cee75e9ac20002254c4e5d09ee67a84b Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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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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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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Use sfp_quirk_2500basex for this module to allow 2500Base-X mode anyway.
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https://forum.banana-pi.org/t/bpi-r3-sfp-module-compatibility/14573/60
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Reported-by: chowtom <chowtom@gmail.com>
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Tested-by: chowtom <chowtom@gmail.com>
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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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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--- a/drivers/net/phy/sfp.c
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+++ b/drivers/net/phy/sfp.c
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@@ -372,6 +372,10 @@ 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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