netdev - [PATCH RFC net-next 06/20] net: dsa: mv88e6xxx: convert PTP ptp

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Message-Id: <E1uzIbK-00000006mzc-27NF@rmk-PC.armlinux.org.uk>
Date: Thu, 18 Sep 2025 18:39:22 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: netdev@...r.kernel.org
Cc: Andrew Lunn <andrew@...n.ch>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Richard Cochran <richardcochran@...il.com>,
	Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH RFC net-next 06/20] net: dsa: mv88e6xxx: convert PTP
 ptp_verify() method to take chip

Wrap the ptp_ops->ptp_verify() method and convert it to take
struct mv88e6xxx_chip. This eases the transition to generic Marvell
PTP.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/dsa/mv88e6xxx/chip.h |  2 +-
 drivers/net/dsa/mv88e6xxx/ptp.c  | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index fd91d2252735..ca62994f650a 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -733,7 +733,7 @@ struct mv88e6xxx_ptp_ops {
 	u64 (*clock_read)(struct mv88e6xxx_chip *chip);
 	int (*ptp_enable)(struct ptp_clock_info *ptp,
 			  struct ptp_clock_request *rq, int on);
-	int (*ptp_verify)(struct ptp_clock_info *ptp, unsigned int pin,
+	int (*ptp_verify)(struct mv88e6xxx_chip *chip, unsigned int pin,
 			  enum ptp_pin_function func, unsigned int chan);
 	void (*event_work)(struct work_struct *ugly);
 	int (*port_enable)(struct mv88e6xxx_chip *chip, int port);
diff --git a/drivers/net/dsa/mv88e6xxx/ptp.c b/drivers/net/dsa/mv88e6xxx/ptp.c
index d907ba04eddd..87d7fe407862 100644
--- a/drivers/net/dsa/mv88e6xxx/ptp.c
+++ b/drivers/net/dsa/mv88e6xxx/ptp.c
@@ -306,6 +306,14 @@ static int mv88e6xxx_ptp_settime(struct ptp_clock_info *ptp,
 	return 0;
 }
 
+static int mv88e6xxx_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+				enum ptp_pin_function func, unsigned int chan)
+{
+	struct mv88e6xxx_chip *chip = ptp_to_chip(ptp);
+
+	return chip->info->ops->ptp_ops->ptp_verify(chip, pin, func, chan);
+}
+
 static int mv88e6352_ptp_enable_extts(struct mv88e6xxx_chip *chip,
 				      struct ptp_clock_request *rq, int on)
 {
@@ -365,7 +373,7 @@ static int mv88e6352_ptp_enable(struct ptp_clock_info *ptp,
 	}
 }
 
-static int mv88e6352_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+static int mv88e6352_ptp_verify(struct mv88e6xxx_chip *chip, unsigned int pin,
 				enum ptp_pin_function func, unsigned int chan)
 {
 	switch (func) {
@@ -536,7 +544,7 @@ int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip)
 	chip->ptp_clock_info.gettime64	= mv88e6xxx_ptp_gettime;
 	chip->ptp_clock_info.settime64	= mv88e6xxx_ptp_settime;
 	chip->ptp_clock_info.enable	= ptp_ops->ptp_enable;
-	chip->ptp_clock_info.verify	= ptp_ops->ptp_verify;
+	chip->ptp_clock_info.verify	= mv88e6xxx_ptp_verify;
 	chip->ptp_clock_info.do_aux_work = mv88e6xxx_hwtstamp_work;
 
 	chip->ptp_clock_info.supported_extts_flags = PTP_RISING_EDGE |
-- 
2.47.3