net: dsa: retain a per-port device_node pointer

We will later use the per-port device_node pointer to fetch a bunch of
port-specific properties.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index a28ef432d016..6a5bae673037 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -432,6 +432,8 @@ static int dsa_of_probe(struct platform_device *pdev)
                         if (!port_name)
                                 continue;
 
+                        cd->port_dn[port_index] = port;
+
                         cd->port_names[port_index] = kstrdup(port_name,
                                         GFP_KERNEL);
                         if (!cd->port_names[port_index]) {