net: dsa: use ports list to find a port by node (764b7e62) · Commits · 戴 / test

Use the new ports list instead of iterating over switches and their ports to find a port from a given node. Signed-off-by:

net/dsa/dsa2.c

+3 −14

Original line number	Diff line number	Diff line
		@@ -113,22 +113,11 @@ static bool dsa_port_is_user(struct dsa_port *dp)
		static struct dsa_port dsa_tree_find_port_by_node(struct dsa_switch_tree dst,
		struct device_node *dn)
		{
		struct dsa_switch *ds;
		struct dsa_port *dp;
		int device, port;

		for (device = 0; device < DSA_MAX_SWITCHES; device++) {
		ds = dst->ds[device];
		if (!ds)
		continue;

		for (port = 0; port < ds->num_ports; port++) {
		dp = &ds->ports[port];

		list_for_each_entry(dp, &dst->ports, list)
		if (dp->dn == dn)
		return dp;
		}
		}

		return NULL;
		}