diff options
author | DENG Qingfang <dqfext@gmail.com> | 2021-10-16 14:24:14 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-27 09:59:44 +0200 |
commit | 04b938ff2d2ce22c1761ccadb08d9ee8f65db789 (patch) | |
tree | 57798054e7b374c75765af0a6e130a2e3ec8d2d3 | |
parent | 4e9e46a700201b4c85081fd478c99c692a9aaa0d (diff) |
net: dsa: mt7530: correct ds->num_ports
commit 342afce10d6f61c443c95e244f812d4766f73f53 upstream.
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@vger.kernel.org
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/net/dsa/mt7530.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 0cea1572f826..5f60db08bf80 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -1031,9 +1031,6 @@ 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 @@ -1056,9 +1053,6 @@ 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 @@ -3132,7 +3126,7 @@ 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. |