netdev - [PATCH RFC net-next 5/6] net: phy: sfp: Fixup for OEM SFP-2.5G-T module

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Date: Tue, 27 Feb 2024 08:51:50 +0100
From: Eric Woudstra <ericwouds@...il.com>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Marek Behún <kabel@...nel.org>,
	"Frank Wunderlich" <frank-w@...lic-files.de>,
	Daniel Golle <daniel@...rotopia.org>
Cc: netdev@...r.kernel.org,
	Eric Woudstra <ericwouds@...il.com>
Subject: [PATCH RFC net-next 5/6] net: phy: sfp: Fixup for OEM SFP-2.5G-T module

Change from quirk to fixup for the OEM SFP-2.5G-T module.

Implementing this fixup, the rtl8221b phy is attached and the quirk is no
longer used.

The module is re-branded to different brands, the one I have that applies
to this patch is branded LuLeey.

Signed-off-by: Eric Woudstra <ericwouds@...il.com>
---
 drivers/net/phy/sfp.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index f75c9eb3958e..144feffe09f9 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -385,6 +385,13 @@ static void sfp_fixup_rollball(struct sfp *sfp)
 	sfp->phy_t_retry = msecs_to_jiffies(1000);
 }
 
+// For 2.5GBASE-T short-reach modules
+static void sfp_fixup_oem_2_5g(struct sfp *sfp)
+{
+	sfp_fixup_rollball(sfp);
+	sfp->id.base.extended_cc = SFF8024_ECC_2_5GBASE_T;
+}
+
 static void sfp_fixup_fs_10gt(struct sfp *sfp)
 {
 	sfp_fixup_10gbaset_30m(sfp);
@@ -503,7 +510,7 @@ static const struct sfp_quirk sfp_quirks[] = {
 	SFP_QUIRK_F("Walsun", "HXSX-ATRI-1", sfp_fixup_fs_10gt),
 
 	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", "SFP-2.5G-T", sfp_fixup_oem_2_5g),
 	SFP_QUIRK_F("OEM", "RTSFP-10", sfp_fixup_rollball_cc),
 	SFP_QUIRK_F("OEM", "RTSFP-10G", sfp_fixup_rollball_cc),
 	SFP_QUIRK_F("Turris", "RTSFP-10", sfp_fixup_rollball),
-- 
2.42.1