linux-kernel - [PATCH net-next 1/6] net: dsa: remove trans argument from mdb ops

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Message-Id: <20171108171917.5965-2-vivien.didelot@savoirfairelinux.com>
Date:   Wed,  8 Nov 2017 12:19:12 -0500
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next 1/6] net: dsa: remove trans argument from mdb ops

The DSA switch MDB ops pass the switchdev_trans structure down to the
drivers, but no one is using them and they aren't supposed to anyway.

Remove the trans argument from MDB prepare and add operations.

Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
 drivers/net/dsa/lan9303-core.c         |  6 ++----
 drivers/net/dsa/microchip/ksz_common.c |  6 ++----
 drivers/net/dsa/mv88e6xxx/chip.c       |  6 ++----
 include/net/dsa.h                      | 10 ++++------
 net/dsa/switch.c                       |  4 ++--
 5 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index 320651a57c6f..26dcc8f82c2e 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -1190,8 +1190,7 @@ static int lan9303_port_fdb_dump(struct dsa_switch *ds, int port,
 }
 
 static int lan9303_port_mdb_prepare(struct dsa_switch *ds, int port,
-				    const struct switchdev_obj_port_mdb *mdb,
-				    struct switchdev_trans *trans)
+				    const struct switchdev_obj_port_mdb *mdb)
 {
 	struct lan9303 *chip = ds->priv;
 
@@ -1208,8 +1207,7 @@ static int lan9303_port_mdb_prepare(struct dsa_switch *ds, int port,
 }
 
 static void lan9303_port_mdb_add(struct dsa_switch *ds, int port,
-				 const struct switchdev_obj_port_mdb *mdb,
-				 struct switchdev_trans *trans)
+				 const struct switchdev_obj_port_mdb *mdb)
 {
 	struct lan9303 *chip = ds->priv;
 
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 56cd6d365352..062a32f9ed06 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -857,16 +857,14 @@ static int ksz_port_fdb_dump(struct dsa_switch *ds, int port,
 }
 
 static int ksz_port_mdb_prepare(struct dsa_switch *ds, int port,
-				const struct switchdev_obj_port_mdb *mdb,
-				struct switchdev_trans *trans)
+				const struct switchdev_obj_port_mdb *mdb)
 {
 	/* nothing to do */
 	return 0;
 }
 
 static void ksz_port_mdb_add(struct dsa_switch *ds, int port,
-			     const struct switchdev_obj_port_mdb *mdb,
-			     struct switchdev_trans *trans)
+			     const struct switchdev_obj_port_mdb *mdb)
 {
 	struct ksz_device *dev = ds->priv;
 	u32 static_table[4];
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 09a66d4d9492..55026cc7e43c 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3748,8 +3748,7 @@ static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
 }
 
 static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
-				      const struct switchdev_obj_port_mdb *mdb,
-				      struct switchdev_trans *trans)
+				      const struct switchdev_obj_port_mdb *mdb)
 {
 	/* We don't need any dynamic resource from the kernel (yet),
 	 * so skip the prepare phase.
@@ -3759,8 +3758,7 @@ static int mv88e6xxx_port_mdb_prepare(struct dsa_switch *ds, int port,
 }
 
 static void mv88e6xxx_port_mdb_add(struct dsa_switch *ds, int port,
-				   const struct switchdev_obj_port_mdb *mdb,
-				   struct switchdev_trans *trans)
+				   const struct switchdev_obj_port_mdb *mdb)
 {
 	struct mv88e6xxx_chip *chip = ds->priv;
 
diff --git a/include/net/dsa.h b/include/net/dsa.h
index e54332968417..d48ced87a44d 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -431,12 +431,10 @@ struct dsa_switch_ops {
 	/*
 	 * Multicast database
 	 */
-	int	(*port_mdb_prepare)(struct dsa_switch *ds, int port,
-				    const struct switchdev_obj_port_mdb *mdb,
-				    struct switchdev_trans *trans);
-	void	(*port_mdb_add)(struct dsa_switch *ds, int port,
-				const struct switchdev_obj_port_mdb *mdb,
-				struct switchdev_trans *trans);
+	int (*port_mdb_prepare)(struct dsa_switch *ds, int port,
+				const struct switchdev_obj_port_mdb *mdb);
+	void (*port_mdb_add)(struct dsa_switch *ds, int port,
+			     const struct switchdev_obj_port_mdb *mdb);
 	int	(*port_mdb_del)(struct dsa_switch *ds, int port,
 				const struct switchdev_obj_port_mdb *mdb);
 	/*
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index e6c06aa349a6..04e8ad2c3d5d 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -129,14 +129,14 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
 			return -EOPNOTSUPP;
 
 		for_each_set_bit(port, group, ds->num_ports) {
-			err = ds->ops->port_mdb_prepare(ds, port, mdb, trans);
+			err = ds->ops->port_mdb_prepare(ds, port, mdb);
 			if (err)
 				return err;
 		}
 	}
 
 	for_each_set_bit(port, group, ds->num_ports)
-		ds->ops->port_mdb_add(ds, port, mdb, trans);
+		ds->ops->port_mdb_add(ds, port, mdb);
 
 	return 0;
 }
-- 
2.15.0