linux-kernel - [PATCH net-next v2 2/7] net: stmmac: drop stmmac_fpe

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Message-Id: <02703a16d35eaa28ad513d56bc52427e0fcbbddd.1723548320.git.0x1207@gmail.com>
Date: Tue, 13 Aug 2024 19:47:28 +0800
From: Furong Xu <0x1207@...il.com>
To: Serge Semin <fancer.lancer@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Joao Pinto <jpinto@...opsys.com>
Cc: netdev@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	xfr@...look.com,
	rock.xu@....com,
	Furong Xu <0x1207@...il.com>
Subject: [PATCH net-next v2 2/7] net: stmmac: drop stmmac_fpe_handshake

ethtool --set-mm can trigger FPE verification processe by calling
stmmac_fpe_send_mpacket, stmmac_fpe_handshake should be gone.

Signed-off-by: Furong Xu <0x1207@...il.com>
---
 .../net/ethernet/stmicro/stmmac/stmmac_main.c | 23 +------------------
 .../net/ethernet/stmicro/stmmac/stmmac_tc.c   |  8 -------
 2 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 529fe31f8b04..3072ad33b105 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3533,13 +3533,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool ptp_register)
 
 	stmmac_set_hw_vlan_mode(priv, priv->hw);
 
-	if (priv->dma_cap.fpesel) {
+	if (priv->dma_cap.fpesel)
 		stmmac_fpe_start_wq(priv);
 
-		if (priv->fpe_cfg.enable)
-			stmmac_fpe_handshake(priv, true);
-	}
-
 	return 0;
 }
 
@@ -7425,22 +7421,6 @@ static void stmmac_fpe_lp_task(struct work_struct *work)
 	clear_bit(__FPE_TASK_SCHED, &priv->fpe_task_state);
 }
 
-void stmmac_fpe_handshake(struct stmmac_priv *priv, bool enable)
-{
-	if (priv->fpe_cfg.hs_enable != enable) {
-		if (enable) {
-			stmmac_fpe_send_mpacket(priv, priv->ioaddr,
-						&priv->fpe_cfg,
-						MPACKET_VERIFY);
-		} else {
-			priv->fpe_cfg.lo_fpe_state = FPE_STATE_OFF;
-			priv->fpe_cfg.lp_fpe_state = FPE_STATE_OFF;
-		}
-
-		priv->fpe_cfg.hs_enable = enable;
-	}
-}
-
 static int stmmac_xdp_rx_timestamp(const struct xdp_md *_ctx, u64 *timestamp)
 {
 	const struct stmmac_xdp_buff *ctx = (void *)_ctx;
@@ -7902,7 +7882,6 @@ int stmmac_suspend(struct device *dev)
 				     priv->plat->tx_queues_to_use,
 				     priv->plat->rx_queues_to_use, false);
 
-		stmmac_fpe_handshake(priv, false);
 		stmmac_fpe_stop_wq(priv);
 	}
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
index 9cc41ed01882..b0cc45331ff7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -1078,11 +1078,6 @@ static int tc_taprio_configure(struct stmmac_priv *priv,
 
 	netdev_info(priv->dev, "configured EST\n");
 
-	if (fpe) {
-		stmmac_fpe_handshake(priv, true);
-		netdev_info(priv->dev, "start FPE handshake\n");
-	}
-
 	return 0;
 
 disable:
@@ -1107,9 +1102,6 @@ static int tc_taprio_configure(struct stmmac_priv *priv,
 			     false);
 	netdev_info(priv->dev, "disabled FPE\n");
 
-	stmmac_fpe_handshake(priv, false);
-	netdev_info(priv->dev, "stop FPE handshake\n");
-
 	return ret;
 }
 
-- 
2.34.1