Patch "net: sfp: add quirk for FS's 2.5G copper SFP" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    net: sfp: add quirk for FS's 2.5G copper SFP

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-sfp-add-quirk-for-fs-s-2.5g-copper-sfp.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit ff57263de8dba956d04075e7ef47d7ea193a62a1
Author: Raju Lakkaraju <Raju.Lakkaraju@xxxxxxxxxxxxx>
Date:   Mon Sep 25 13:30:59 2023 +0530

    net: sfp: add quirk for FS's 2.5G copper SFP
    
    [ Upstream commit e27aca3760c08b7b05aea71068bd609aa93e7b35 ]
    
    Add a quirk for a copper SFP that identifies itself as "FS" "SFP-2.5G-T".
    This module's PHY is inaccessible, and can only run at 2500base-X with the
    host without negotiation. Add a quirk to enable the 2500base-X interface mode
    with 2500base-T support and disable auto negotiation.
    
    Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@xxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230925080059.266240-1-Raju.Lakkaraju@xxxxxxxxxxxxx
    Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index a50038a452507..3679a43f4eb02 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -468,6 +468,9 @@ static const struct sfp_quirk sfp_quirks[] = {
 	SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex,
 		  sfp_fixup_ignore_tx_fault),
 
+	// FS 2.5G Base-T
+	SFP_QUIRK_M("FS", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
+
 	// Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
 	// 2500MBd NRZ in their EEPROM
 	SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex),



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