Setting ds->num_ports to DSA_MAX_PORTS made DSA core allocate unnecessary
dsa_port's and call mt7530_port_disable for non-existent ports.
Set it to MT7530_NUM_PORTS to fix that, and dsa_is_user_port check in
port_enable/disable is no longer required.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: DENG Qingfang <dqfext@xxxxxxxxx>
---
drivers/net/dsa/mt7530.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index a3b49abd32f1..dbd15da977b5 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1035,9 +1035,6 @@ mt7530_port_enable(struct dsa_switch *ds, int port,
{
struct mt7530_priv *priv = ds->priv;
- if (!dsa_is_user_port(ds, port))
- return 0;
-
mutex_lock(&priv->reg_mutex);
/* Allow the user port gets connected to the cpu port and also
@@ -1060,9 +1057,6 @@ mt7530_port_disable(struct dsa_switch *ds, int port)
{
struct mt7530_priv *priv = ds->priv;
- if (!dsa_is_user_port(ds, port))
- return;
-
mutex_lock(&priv->reg_mutex);
/* Clear up all port matrix which could be restored in the next
@@ -3265,7 +3259,7 @@ mt7530_probe(struct mdio_device *mdiodev)
return -ENOMEM;
priv->ds->dev = &mdiodev->dev;
- priv->ds->num_ports = DSA_MAX_PORTS;
+ priv->ds->num_ports = MT7530_NUM_PORTS;
/* Use medatek,mcm property to distinguish hardware type that would
* casues a little bit differences on power-on sequence.
--
2.25.1
