[PATCH net] net: dsa: mt7530: correct ds->num_ports
From: DENG Qingfang <dqfext@gmail.com>
Date: 2021-10-16 06:24:29
Also in:
linux-arm-kernel, linux-mediatek, lkml, stable
Subsystem:
mediatek switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Chester A. Unal, Daniel Golle, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
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> --- 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