[PATCH net-next 1/2] net: dsa: mv88e6xxx: Fix warning with CONFIG_OF=n

[Florian Fainelli]

When CONFIG_OF=n, we will see the following warning:

drivers/net/dsa/mv88e6xxx/chip.c:2834:34: warning: 
'mv88e6xxx_mdio_external_match' defined but not used [-Wunused-const-variable=]
 static const struct of_device_id mv88e6xxx_mdio_external_match[] = {
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 44ba8cff5631..64cbc4c04907 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2831,11 +2831,13 @@ static int mv88e6xxx_mdio_register(struct 
mv88e6xxx_chip *chip,
        return 0;
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id mv88e6xxx_mdio_external_match[] = {
        { .compatible = "marvell,mv88e6xxx-mdio-external",
          .data = (void *)true },
        { },
 };
+#endif
 
 static int mv88e6xxx_mdios_register(struct mv88e6xxx_chip *chip,
                                    struct device_node *np)
-- 
2.9.3