Re: [PATCH v3 3/7] net: dsa: mediatek: add support for passthrough mode
flat view
From: Andrew Lunn <andrew@lunn.ch>
Date: 2026-10-28 02:16:17
Also in:
linux-arm-kernel, linux-devicetree, linux-mediatek, lkml
quoted hunk ↗ jump to hunk
@@ -199,6 +199,9 @@ static void mt7530_port_fast_age(struct dsa_switch *ds, int port) u32 val; int ret; + if (priv->is_passthrough) + return; + mutex_lock(&priv->reg_mutex); /* Flush all non-static MAC address entries */@@ -970,6 +973,9 @@ mt7530_set_ageing_time(struct dsa_switch *ds, unsigned int msecs) unsigned int age_count; unsigned int age_unit; + if (priv->is_passthrough) + return 0; +@@ -1386,11 +1446,14 @@ mt7530_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu) int length; u32 val; + if (priv->is_passthrough) + return 0; +
What is actually left?
Is there sufficient code reuse that this makes sense?
Would it be simpler to have a much simpler DSA driver just for pass
through? Or the mt7530 driver has a second dsa_switch_ops instance
with all these functions set to NULL?
Andrew