netdev - [PATCH RFC net-next 2/7] net: stmmac: remove write-only mac->pmt

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Message-Id: <E1ugQ2j-006KD3-B2@rmk-PC.armlinux.org.uk>
Date: Mon, 28 Jul 2025 16:45:37 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH RFC net-next 2/7] net: stmmac: remove write-only mac->pmt

mac_device_info->pmt is only ever written, nothing reads it. Remove
this struct member.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/common.h      | 1 -
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index cbffccb3b9af..eaa1f2e1c5a5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -602,7 +602,6 @@ struct mac_device_info {
 	unsigned int mcast_bits_log2;
 	unsigned int rx_csum;
 	unsigned int pcs;
-	unsigned int pmt;
 	unsigned int ps;
 	unsigned int xlgmac;
 	unsigned int num_vlan;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index f350a6662880..6a4ef32f57ec 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -7240,7 +7240,6 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
 		priv->plat->enh_desc = priv->dma_cap.enh_desc;
 		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up &&
 				!(priv->plat->flags & STMMAC_FLAG_USE_PHY_WOL);
-		priv->hw->pmt = priv->plat->pmt;
 		if (priv->dma_cap.hash_tb_sz) {
 			priv->hw->multicast_filter_bins =
 					(BIT(priv->dma_cap.hash_tb_sz) << 5);
-- 
2.30.2