net: dsa: Allow the DSA driver to indicate the tag protocol
DSA drivers may drive different families of switches which need
different tag protocol. Rather than hard code the tag protocol in the
driver structure, have a callback for the DSA core to call.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index f30bad9..2e34322 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -443,6 +443,7 @@
struct dsa_switch_tree *dst,
struct dsa_switch *ds)
{
+ enum dsa_tag_protocol tag_protocol;
struct net_device *ethernet_dev;
struct device_node *ethernet;
@@ -465,7 +466,8 @@
dst->cpu_port = index;
}
- dst->tag_ops = dsa_resolve_tag_protocol(ds->drv->tag_protocol);
+ tag_protocol = ds->drv->get_tag_protocol(ds);
+ dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol);
if (IS_ERR(dst->tag_ops)) {
dev_warn(ds->dev, "No tagger for this switch\n");
return PTR_ERR(dst->tag_ops);