net: dsa: mv88e6xxx: factorize GLOBAL_MONITOR_CONTROL setup

All switch drivers configure the GLOBAL_MONITOR_CONTROL register with
slightly changes.

Assume the setup of the upstream port, and configure it as the port to
which ingress and egress and ARP monitor frames are to be sent.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 12 insertions, 56 deletions

diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
index 1cd30ac19c1a..5df06d8c3ed2 100644
--- a/drivers/net/dsa/mv88e6123.c
+++ b/drivers/net/dsa/mv88e6123.c
@@ -54,20 +54,6 @@ static const char *mv88e6123_drv_probe(struct device *dsa_dev,
 static int mv88e6123_setup_global(struct dsa_switch *ds)
 {
 	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-	u32 upstream_port = dsa_upstream_port(ds);
-	int ret;
-	u32 reg;
-
-	/* Configure the upstream port, and configure the upstream
-	 * port as the port to which ingress and egress monitor frames
-	 * are to be sent.
-	 */
-	reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT;
-	ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
-	if (ret)
-		return ret;
 
 	/* Disable remote management for now, and set the switch's
 	 * DSA device number.
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index 1c3b245cd110..c8e3974163dc 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -61,20 +61,7 @@ static const char *mv88e6131_drv_probe(struct device *dsa_dev,
 static int mv88e6131_setup_global(struct dsa_switch *ds)
 {
 	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-	u32 upstream_port = dsa_upstream_port(ds);
 	int ret;
-	u32 reg;
-
-	/* Disable ARP mirroring, and configure the upstream port as
-	 * the port to which ingress and egress monitor frames are to
-	 * be sent.
-	 */
-	reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
-		GLOBAL_MONITOR_CONTROL_ARP_DISABLED;
-	ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
-	if (ret)
-		return ret;
 
 	/* Disable cascade port functionality unless this device
 	 * is used in a cascade configuration, and set the switch's
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index 6c8554ce24e6..a848aefb4c74 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -61,21 +61,6 @@ static const char *mv88e6171_drv_probe(struct device *dsa_dev,
 static int mv88e6171_setup_global(struct dsa_switch *ds)
 {
 	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-	u32 upstream_port = dsa_upstream_port(ds);
-	int ret;
-	u32 reg;
-
-	/* Configure the upstream port, and configure the upstream
-	 * port as the port to which ingress and egress monitor frames
-	 * are to be sent.
-	 */
-	reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_MIRROR_SHIFT;
-	ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
-	if (ret)
-		return ret;
 
 	/* Disable remote management for now, and set the switch's
 	 * DSA device number.
diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
index a27616c00ad6..e0988706c882 100644
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -80,20 +80,6 @@ static const char *mv88e6352_drv_probe(struct device *dsa_dev,
 static int mv88e6352_setup_global(struct dsa_switch *ds)
 {
 	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-	u32 upstream_port = dsa_upstream_port(ds);
-	int ret;
-	u32 reg;
-
-	/* Configure the upstream port, and configure the upstream
-	 * port as the port to which ingress and egress monitor frames
-	 * are to be sent.
-	 */
-	reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
-		upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT;
-	ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
-	if (ret)
-		return ret;
 
 	/* Disable remote management for now, and set the switch's
 	 * DSA device number.
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index f1cd66073bf7..27551c1f1cd0 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2922,6 +2922,8 @@ int mv88e6xxx_setup_ports(struct dsa_switch *ds)
 
 static int mv88e6xxx_setup_global(struct mv88e6xxx_priv_state *ps)
 {
+	struct dsa_switch *ds = ps->ds;
+	u32 upstream_port = dsa_upstream_port(ds);
 	u16 reg;
 	int err;
 	int i;
@@ -2938,6 +2940,16 @@ static int mv88e6xxx_setup_global(struct mv88e6xxx_priv_state *ps)
 	if (err)
 		return err;
 
+	/* Configure the upstream port, and configure it as the port to which
+	 * ingress and egress and ARP monitor frames are to be sent.
+	 */
+	reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
+		upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
+		upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT;
+	err = _mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
+	if (err)
+		return err;
+
 	/* Set the default address aging time to 5 minutes, and
 	 * enable address learn messages to be sent to all message
 	 * ports.