net: sfp: move fwnode parsing into sfp-bus layer

Rather than parsing the sfp firmware node in phylink, parse it in the
sfp-bus code, so we can re-use this code for PHYs without having to
duplicate the parsing.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

1 files changed, 6 insertions, 15 deletions

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index dcf8ad1cf373..3ef096f185ef 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -564,26 +564,17 @@ static const struct sfp_upstream_ops sfp_phylink_ops;
 static int phylink_register_sfp(struct phylink *pl,
 				struct fwnode_handle *fwnode)
 {
-	struct fwnode_reference_args ref;
+	struct sfp_bus *bus;
 	int ret;
 
-	if (!fwnode)
-		return 0;
-
-	ret = fwnode_property_get_reference_args(fwnode, "sfp", NULL,
-						 0, 0, &ref);
-	if (ret < 0) {
-		if (ret == -ENOENT)
-			return 0;
-
-		phylink_err(pl, "unable to parse \"sfp\" node: %d\n",
-			    ret);
+	bus = sfp_register_upstream_node(fwnode, pl, &sfp_phylink_ops);
+	if (IS_ERR(bus)) {
+		ret = PTR_ERR(bus);
+		phylink_err(pl, "unable to attach SFP bus: %d\n", ret);
 		return ret;
 	}
 
-	pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl, &sfp_phylink_ops);
-	if (!pl->sfp_bus)
-		return -ENOMEM;
+	pl->sfp_bus = bus;
 
 	return 0;
 }