linux-kernel - [PATCH AUTOSEL 6.8 15/30] net: sfp: add quirk for ATS SFP-GE-T 1000Base-TX module

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Date: Mon, 27 May 2024 10:13:24 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Daniel Golle <daniel@...rotopia.org>,
	Josef Schlehofer <pepe.schlehofer@...il.com>,
	Marek Behún <kabel@...nel.org>,
	Jakub Kicinski <kuba@...nel.org>,
	Sasha Levin <sashal@...nel.org>,
	linux@...linux.org.uk,
	andrew@...n.ch,
	hkallweit1@...il.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	pabeni@...hat.com,
	netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 6.8 15/30] net: sfp: add quirk for ATS SFP-GE-T 1000Base-TX module

From: Daniel Golle <daniel@...rotopia.org>

[ Upstream commit 0805d67bc0ef95411228e802f31975cfb7555056 ]

Add quirk for ATS SFP-GE-T 1000Base-TX module.

This copper module comes with broken TX_FAULT indicator which must be
ignored for it to work.

Co-authored-by: Josef Schlehofer <pepe.schlehofer@...il.com>
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
[ rebased on top of net-next ]
Signed-off-by: Marek Behún <kabel@...nel.org>
Link: https://lore.kernel.org/r/20240423090025.29231-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/phy/sfp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index 44c47d34a5c68..8b316baf6305e 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -508,6 +508,9 @@ static const struct sfp_quirk sfp_quirks[] = {
 	SFP_QUIRK_F("Walsun", "HXSX-ATRC-1", sfp_fixup_fs_10gt),
 	SFP_QUIRK_F("Walsun", "HXSX-ATRI-1", sfp_fixup_fs_10gt),
 
+	// OEM SFP-GE-T is a 1000Base-T module with broken TX_FAULT indicator
+	SFP_QUIRK_F("OEM", "SFP-GE-T", sfp_fixup_ignore_tx_fault),
+
 	SFP_QUIRK_F("OEM", "SFP-10G-T", sfp_fixup_rollball_cc),
 	SFP_QUIRK_M("OEM", "SFP-2.5G-T", sfp_quirk_oem_2_5g),
 	SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc),
-- 
2.43.0