net: dsa: mv88e6xxx: return NULL when no PCS is present

Rather than returning an EOPNOTSUPP error pointer when the switch
has no support for PCS, return NULL to indicate that no PCS is
required.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index f68233d24f32beb50b30673fbd226a3d6f9c4b0d..da19a3b055496833206715613bc8480749884977 100644 (file)
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -868,7 +868,7 @@ mv88e6xxx_mac_select_pcs(struct phylink_config *config,
 {
        struct dsa_port *dp = dsa_phylink_to_port(config);
        struct mv88e6xxx_chip *chip = dp->ds->priv;
-       struct phylink_pcs *pcs = ERR_PTR(-EOPNOTSUPP);
+       struct phylink_pcs *pcs = NULL;
 
        if (chip->info->ops->pcs_ops)
                pcs = chip->info->ops->pcs_ops->pcs_select(chip, dp->index,