netdev - [PATCH net-next] net: stmmac: don't pass ioaddr to fix_soc

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Message-Id: <E1vkLmM-00000005vE1-0nop@rmk-PC.armlinux.org.uk>
Date: Mon, 26 Jan 2026 12:33:14 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>
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>,
	imx@...ts.linux.dev,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH net-next] net: stmmac: don't pass ioaddr to fix_soc_reset()
 method

As the stmmac_priv struct is passed to the fix_soc_reset() method which
has the ioaddr, there is no need to pass ioaddr separately. Pass just
the stmmac_priv struct. Fix up the glues that use it.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c      | 8 +++++---
 drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 6 ++++--
 drivers/net/ethernet/stmicro/stmmac/hwif.c           | 2 +-
 include/linux/stmmac.h                               | 2 +-
 4 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
index c722ff2dc1fc..97de4726208e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
@@ -46,7 +46,7 @@ struct imx_dwmac_ops {
 	u32 flags;
 	bool mac_rgmii_txclk_auto_adj;
 
-	int (*fix_soc_reset)(struct stmmac_priv *priv, void __iomem *ioaddr);
+	int (*fix_soc_reset)(struct stmmac_priv *priv);
 	int (*set_intf_mode)(struct imx_priv_data *dwmac, u8 phy_intf_sel);
 	void (*fix_mac_speed)(void *priv, int speed, unsigned int mode);
 };
@@ -220,12 +220,14 @@ static void imx93_dwmac_fix_speed(void *priv, int speed, unsigned int mode)
 	writel(old_ctrl, dwmac->base_addr + MAC_CTRL_REG);
 }
 
-static int imx_dwmac_mx93_reset(struct stmmac_priv *priv, void __iomem *ioaddr)
+static int imx_dwmac_mx93_reset(struct stmmac_priv *priv)
 {
 	struct plat_stmmacenet_data *plat_dat = priv->plat;
-	u32 value = readl(ioaddr + DMA_BUS_MODE);
+	void __iomem *ioaddr = priv->ioaddr;
+	u32 value;
 
 	/* DMA SW reset */
+	value = readl(ioaddr + DMA_BUS_MODE);
 	value |= DMA_BUS_MODE_SFT_RESET;
 	writel(value, ioaddr + DMA_BUS_MODE);
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index 4f2b5bd6cb31..ed0b534d8d7b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -485,10 +485,12 @@ static int loongson_dwmac_acpi_config(struct pci_dev *pdev,
 }
 
 /* Loongson's DWMAC device may take nearly two seconds to complete DMA reset */
-static int loongson_dwmac_fix_reset(struct stmmac_priv *priv, void __iomem *ioaddr)
+static int loongson_dwmac_fix_reset(struct stmmac_priv *priv)
 {
-	u32 value = readl(ioaddr + DMA_BUS_MODE);
+	void __iomem *ioaddr = priv->ioaddr;
+	u32 value;
 
+	value = readl(ioaddr + DMA_BUS_MODE);
 	if (value & DMA_BUS_MODE_SFT_RESET) {
 		netdev_err(priv->dev, "the PHY clock is missing\n");
 		return -EINVAL;
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.c b/drivers/net/ethernet/stmicro/stmmac/hwif.c
index 014f7cd79a3c..7e69ff4b9a98 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.c
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c
@@ -109,7 +109,7 @@ int stmmac_reset(struct stmmac_priv *priv)
 	void __iomem *ioaddr = priv->ioaddr;
 
 	if (plat && plat->fix_soc_reset)
-		return plat->fix_soc_reset(priv, ioaddr);
+		return plat->fix_soc_reset(priv);
 
 	return stmmac_do_callback(priv, dma, reset, ioaddr);
 }
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index e308c98c7bd3..5199451dd0bc 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -257,7 +257,7 @@ struct plat_stmmacenet_data {
 	int (*set_clk_tx_rate)(void *priv, struct clk *clk_tx_i,
 			       phy_interface_t interface, int speed);
 	void (*fix_mac_speed)(void *priv, int speed, unsigned int mode);
-	int (*fix_soc_reset)(struct stmmac_priv *priv, void __iomem *ioaddr);
+	int (*fix_soc_reset)(struct stmmac_priv *priv);
 	int (*serdes_powerup)(struct net_device *ndev, void *priv);
 	void (*serdes_powerdown)(struct net_device *ndev, void *priv);
 	int (*mac_finish)(struct net_device *ndev,
-- 
2.47.3