net:qos: police action offloading parameter 'burst' change to the original value

Since 'tcfp_burst' with TICK factor, driver side always need to recover
it to the original value, this patch moves the generic calculation and
recover to the 'burst' original value before offloading to device driver.

Signed-off-by: Po Liu <po.liu@nxp.com>
Acked-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index 5868ff7..41a1b5f 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -74,9 +74,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
 		}
 
 		pol.rate = (u32)div_u64(action->police.rate_bytes_ps, 1000) * 8;
-		pol.burst = (u32)div_u64(action->police.rate_bytes_ps *
-					 PSCHED_NS2TICKS(action->police.burst),
-					 PSCHED_TICKS_PER_SEC);
+		pol.burst = action->police.burst;
 
 		err = ocelot_port_policer_add(ocelot, port, &pol);
 		if (err) {