linux-kernel - [PATCH AUTOSEL 6.0 54/77] net: sfp: move Alcatel Lucent 3FE46541AA fixup

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Message-Id: <20221009220754.1214186-54-sashal@kernel.org>
Date:   Sun,  9 Oct 2022 18:07:31 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        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 6.0 54/77] net: sfp: move Alcatel Lucent 3FE46541AA fixup

From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>

[ Upstream commit 275416754e9a262c97a1ad6f806a4bc6e0464aa2 ]

Add a new fixup mechanism to the SFP quirks, and use it for this
module.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/phy/sfp.c | 14 +++++++++-----
 drivers/net/phy/sfp.h |  1 +
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index 2b06230be94f..952cd73e4777 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -311,6 +311,11 @@ static const struct of_device_id sfp_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, sfp_of_match);
 
+static void sfp_fixup_long_startup(struct sfp *sfp)
+{
+	sfp->module_t_start_up = T_START_UP_BAD_GPON;
+}
+
 static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id,
 				unsigned long *modes)
 {
@@ -341,6 +346,7 @@ static const struct sfp_quirk sfp_quirks[] = {
 		.vendor = "ALCATELLUCENT",
 		.part = "3FE46541AA",
 		.modes = sfp_quirk_2500basex,
+		.fixup = sfp_fixup_long_startup,
 	}, {
 		// Huawei MA5671A can operate at 2500base-X, but report 1.2GBd
 		// NRZ in their EEPROM
@@ -2048,11 +2054,7 @@ static int sfp_sm_mod_probe(struct sfp *sfp, bool report)
 	if (sfp->gpio[GPIO_LOS])
 		sfp->state_hw_mask |= SFP_F_LOS;
 
-	if (!memcmp(id.base.vendor_name, "ALCATELLUCENT   ", 16) &&
-	    !memcmp(id.base.vendor_pn, "3FE46541AA      ", 16))
-		sfp->module_t_start_up = T_START_UP_BAD_GPON;
-	else
-		sfp->module_t_start_up = T_START_UP;
+	sfp->module_t_start_up = T_START_UP;
 
 	if (!memcmp(id.base.vendor_name, "HUAWEI          ", 16) &&
 	    !memcmp(id.base.vendor_pn, "MA5671A         ", 16))
@@ -2061,6 +2063,8 @@ static int sfp_sm_mod_probe(struct sfp *sfp, bool report)
 		sfp->tx_fault_ignore = false;
 
 	sfp->quirk = sfp_lookup_quirk(&id);
+	if (sfp->quirk && sfp->quirk->fixup)
+		sfp->quirk->fixup(sfp);
 
 	return 0;
 }
diff --git a/drivers/net/phy/sfp.h b/drivers/net/phy/sfp.h
index 03f1d47fe6ca..7ad06deae76c 100644
--- a/drivers/net/phy/sfp.h
+++ b/drivers/net/phy/sfp.h
@@ -10,6 +10,7 @@ struct sfp_quirk {
 	const char *vendor;
 	const char *part;
 	void (*modes)(const struct sfp_eeprom_id *id, unsigned long *modes);
+	void (*fixup)(struct sfp *sfp);
 };
 
 struct sfp_socket_ops {
-- 
2.35.1