net: dsa: felix: convert TAS link speed based on phylink speed

state->speed holds a value of 10, 100, 1000 or 2500, but
QSYS_TAG_CONFIG_LINK_SPEED expects a value of 0, 1, 2, 3. So convert the
speed to a proper value.

Fixes: de143c0e274b ("net: dsa: felix: Configure Time-Aware Scheduler via taprio offload")
Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 6855c94256f8e5fab4a653359f25fdf5bdc79574..36db631a55e66a08a0b8e6bcf69ebb855e70dcb4 100644 (file)
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1284,8 +1284,28 @@ void vsc9959_mdio_bus_free(struct ocelot *ocelot)
 static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port,
                                    u32 speed)
 {
+       u8 tas_speed;
+
+       switch (speed) {
+       case SPEED_10:
+               tas_speed = OCELOT_SPEED_10;
+               break;
+       case SPEED_100:
+               tas_speed = OCELOT_SPEED_100;
+               break;
+       case SPEED_1000:
+               tas_speed = OCELOT_SPEED_1000;
+               break;
+       case SPEED_2500:
+               tas_speed = OCELOT_SPEED_2500;
+               break;
+       default:
+               tas_speed = OCELOT_SPEED_1000;
+               break;
+       }
+
        ocelot_rmw_rix(ocelot,
-                      QSYS_TAG_CONFIG_LINK_SPEED(speed),
+                      QSYS_TAG_CONFIG_LINK_SPEED(tas_speed),
                       QSYS_TAG_CONFIG_LINK_SPEED_M,
                       QSYS_TAG_CONFIG, port);
 }