[PATCH v3 4/6] net: dsa: mt7530: get cpu-port via dp->cpu_dp instead of constant

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From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

Replace last occurences of hardcoded cpu-port by cpu_dp member of
dsa_port struct.

Now the constant can be dropped.

Suggested-by: Vladimir Oltean <olteanv@xxxxxxxxx>
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>
---
 drivers/net/dsa/mt7530.c | 27 ++++++++++++++++++++-------
 drivers/net/dsa/mt7530.h |  1 -
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 144c29f8fefc..8bf27937e577 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1033,6 +1033,7 @@ static int
 mt7530_port_enable(struct dsa_switch *ds, int port,
 		   struct phy_device *phy)
 {
+	struct dsa_port *dp = dsa_to_port(ds, port);
 	struct mt7530_priv *priv = ds->priv;
 
 	mutex_lock(&priv->reg_mutex);
@@ -1041,7 +1042,11 @@ mt7530_port_enable(struct dsa_switch *ds, int port,
 	 * restore the port matrix if the port is the member of a certain
 	 * bridge.
 	 */
-	priv->ports[port].pm |= PCR_MATRIX(BIT(MT7530_CPU_PORT));
+	if (dsa_port_is_user(dp)) {
+		struct dsa_port *cpu_dp = dp->cpu_dp;
+
+		priv->ports[port].pm |= PCR_MATRIX(BIT(cpu_dp->index));
+	}
 	priv->ports[port].enable = true;
 	mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
 		   priv->ports[port].pm);
@@ -1190,7 +1195,8 @@ mt7530_port_bridge_join(struct dsa_switch *ds, int port,
 			struct netlink_ext_ack *extack)
 {
 	struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
-	u32 port_bitmap = BIT(MT7530_CPU_PORT);
+	struct dsa_port *cpu_dp = dp->cpu_dp;
+	u32 port_bitmap = BIT(cpu_dp->index);
 	struct mt7530_priv *priv = ds->priv;
 
 	mutex_lock(&priv->reg_mutex);
@@ -1267,9 +1273,12 @@ mt7530_port_set_vlan_unaware(struct dsa_switch *ds, int port)
 	 * the CPU port get out of VLAN filtering mode.
 	 */
 	if (all_user_ports_removed) {
-		mt7530_write(priv, MT7530_PCR_P(MT7530_CPU_PORT),
+		struct dsa_port *dp = dsa_to_port(ds, port);
+		struct dsa_port *cpu_dp = dp->cpu_dp;
+
+		mt7530_write(priv, MT7530_PCR_P(cpu_dp->index),
 			     PCR_MATRIX(dsa_user_ports(priv->ds)));
-		mt7530_write(priv, MT7530_PVC_P(MT7530_CPU_PORT), PORT_SPEC_TAG
+		mt7530_write(priv, MT7530_PVC_P(cpu_dp->index), PORT_SPEC_TAG
 			     | PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
 	}
 }
@@ -1307,6 +1316,7 @@ mt7530_port_bridge_leave(struct dsa_switch *ds, int port,
 			 struct dsa_bridge bridge)
 {
 	struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
+	struct dsa_port *cpu_dp = dp->cpu_dp;
 	struct mt7530_priv *priv = ds->priv;
 
 	mutex_lock(&priv->reg_mutex);
@@ -1335,8 +1345,8 @@ mt7530_port_bridge_leave(struct dsa_switch *ds, int port,
 	 */
 	if (priv->ports[port].enable)
 		mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
-			   PCR_MATRIX(BIT(MT7530_CPU_PORT)));
-	priv->ports[port].pm = PCR_MATRIX(BIT(MT7530_CPU_PORT));
+			   PCR_MATRIX(BIT(cpu_dp->index)));
+	priv->ports[port].pm = PCR_MATRIX(BIT(cpu_dp->index));
 
 	/* When a port is removed from the bridge, the port would be set up
 	 * back to the default as is at initial boot which is a VLAN-unaware
@@ -1503,6 +1513,9 @@ static int
 mt7530_port_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
 			   struct netlink_ext_ack *extack)
 {
+	struct dsa_port *dp = dsa_to_port(ds, port);
+	struct dsa_port *cpu_dp = dp->cpu_dp;
+
 	if (vlan_filtering) {
 		/* The port is being kept as VLAN-unaware port when bridge is
 		 * set up with vlan_filtering not being set, Otherwise, the
@@ -1510,7 +1523,7 @@ mt7530_port_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
 		 * for becoming a VLAN-aware port.
 		 */
 		mt7530_port_set_vlan_aware(ds, port);
-		mt7530_port_set_vlan_aware(ds, MT7530_CPU_PORT);
+		mt7530_port_set_vlan_aware(ds, cpu_dp->index);
 	} else {
 		mt7530_port_set_vlan_unaware(ds, port);
 	}
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 91508e2feef9..5895bcfc0f7d 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -8,7 +8,6 @@
 
 #define MT7530_NUM_PORTS		7
 #define MT7530_NUM_PHYS			5
-#define MT7530_CPU_PORT			6
 #define MT7530_NUM_FDB_RECORDS		2048
 #define MT7530_ALL_MEMBERS		0xff
 
-- 
2.25.1




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