phy: fixed_phy: Set supported speed in phydev

Set the supported field of the phydev to indicate the speed features
of the phy. If the phy is never attached to a netdev, but used in an
adjust_link() function, the speed will be incorrectly evaluated to
10/half rather than the correct speed/duplex.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c
index ce46428ff21f..2f9457f05a2e 100644
--- a/drivers/net/phy/fixed_phy.c
+++ b/drivers/net/phy/fixed_phy.c
@@ -305,6 +305,18 @@ struct phy_device *fixed_phy_register(unsigned int irq,
         phy->dev.of_node = np;
         phy->is_pseudo_fixed_link = true;
 
+        switch (status->speed) {
+        case SPEED_1000:
+                phy->supported = PHY_1000BT_FEATURES;
+                break;
+        case SPEED_100:
+                phy->supported = PHY_100BT_FEATURES;
+                break;
+        case SPEED_10:
+        default:
+                phy->supported = PHY_10BT_FEATURES;
+        }
+
         ret = phy_device_register(phy);
         if (ret) {
                 phy_device_free(phy);