net: stmmac: silence FPE kernel logs

ethtool --show-mm can get real-time state of FPE.
fpe_irq_status logs should keep quiet.

tc-taprio can always query driver state, delete unbalanced logs.

Signed-off-by: Furong Xu <0x1207@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/39943d7967f291674a97ef0572878aca273087e9.1725631883.git.0x1207@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/stmicro/stmmac/dwmac5.c

@@ -620,22 +620,22 @@ int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev)
 
 	if (value & TRSP) {
 		status |= FPE_EVENT_TRSP;
-		netdev_info(dev, "FPE: Respond mPacket is transmitted\n");
+		netdev_dbg(dev, "FPE: Respond mPacket is transmitted\n");
 	}
 
 	if (value & TVER) {
 		status |= FPE_EVENT_TVER;
-		netdev_info(dev, "FPE: Verify mPacket is transmitted\n");
+		netdev_dbg(dev, "FPE: Verify mPacket is transmitted\n");
 	}
 
 	if (value & RRSP) {
 		status |= FPE_EVENT_RRSP;
-		netdev_info(dev, "FPE: Respond mPacket is received\n");
+		netdev_dbg(dev, "FPE: Respond mPacket is received\n");
 	}
 
 	if (value & RVER) {
 		status |= FPE_EVENT_RVER;
-		netdev_info(dev, "FPE: Verify mPacket is received\n");
+		netdev_dbg(dev, "FPE: Verify mPacket is received\n");
 	}
 
 	return status;

drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c

@@ -1067,8 +1067,6 @@ static int tc_taprio_configure(struct stmmac_priv *priv,
 	if (ret)
 		goto disable;
 
-	netdev_info(priv->dev, "configured EST\n");
-
 	return 0;
 
 disable:
@@ -1087,8 +1085,6 @@ static int tc_taprio_configure(struct stmmac_priv *priv,
 
 	stmmac_fpe_map_preemption_class(priv, priv->dev, extack, 0);
 
-	netdev_info(priv->dev, "disabled FPE\n");
-
 	return ret;
 }