netdev - [PATCH net-next 3/3] net: stmmac: rk: convert to init()/exit() methods

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Message-Id: <E1vLf2e-0000000FMNN-1Xnh@rmk-PC.armlinux.org.uk>
Date: Wed, 19 Nov 2025 10:04:00 +0000
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>,
	Chen-Yu Tsai <wens@...e.org>,
	"David S. Miller" <davem@...emloft.net>,
	Drew Fustini <fustini@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Fu Wei <wefu@...hat.com>,
	Guo Ren <guoren@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Jakub Kicinski <kuba@...nel.org>,
	Jan Petrous <jan.petrous@....nxp.com>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Keguang Zhang <keguang.zhang@...il.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mips@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-sunxi@...ts.linux.dev,
	Maxime Chevallier <maxime.chevallier@...tlin.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	s32@....com,
	Samuel Holland <samuel@...lland.org>
Subject: [PATCH net-next 3/3] net: stmmac: rk: convert to init()/exit()
 methods

Convert rk to use the init() and exit() methods for powering up and
down the device. This allows us to use the pltfr versions of probe()
and remove().

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/stmicro/stmmac/dwmac-rk.c    | 47 ++++++++-----------
 1 file changed, 19 insertions(+), 28 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 6e75da577af5..6bfe82d7001a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1763,6 +1763,22 @@ static int rk_gmac_resume(struct device *dev, void *bsp_priv_)
 	return 0;
 }
 
+static int rk_gmac_init(struct device *dev, void *bsp_priv)
+{
+	return rk_gmac_powerup(bsp_priv);
+}
+
+static void rk_gmac_exit(struct device *dev, void *bsp_priv_)
+{
+	struct stmmac_priv *priv = netdev_priv(dev_get_drvdata(dev));
+	struct rk_priv_data *bsp_priv = bsp_priv_;
+
+	rk_gmac_powerdown(bsp_priv);
+
+	if (priv->plat->phy_node && bsp_priv->integrated_phy)
+		clk_put(bsp_priv->clk_phy);
+}
+
 static int rk_gmac_probe(struct platform_device *pdev)
 {
 	struct plat_stmmacenet_data *plat_dat;
@@ -1795,6 +1811,8 @@ static int rk_gmac_probe(struct platform_device *pdev)
 
 	plat_dat->get_interfaces = rk_get_interfaces;
 	plat_dat->set_clk_tx_rate = rk_set_clk_tx_rate;
+	plat_dat->init = rk_gmac_init;
+	plat_dat->exit = rk_gmac_exit;
 	plat_dat->suspend = rk_gmac_suspend;
 	plat_dat->resume = rk_gmac_resume;
 
@@ -1806,33 +1824,7 @@ static int rk_gmac_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ret = rk_gmac_powerup(plat_dat->bsp_priv);
-	if (ret)
-		return ret;
-
-	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
-	if (ret)
-		goto err_gmac_powerdown;
-
-	return 0;
-
-err_gmac_powerdown:
-	rk_gmac_powerdown(plat_dat->bsp_priv);
-
-	return ret;
-}
-
-static void rk_gmac_remove(struct platform_device *pdev)
-{
-	struct stmmac_priv *priv = netdev_priv(platform_get_drvdata(pdev));
-	struct rk_priv_data *bsp_priv = priv->plat->bsp_priv;
-
-	stmmac_dvr_remove(&pdev->dev);
-
-	rk_gmac_powerdown(bsp_priv);
-
-	if (priv->plat->phy_node && bsp_priv->integrated_phy)
-		clk_put(bsp_priv->clk_phy);
+	return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
 }
 
 static const struct of_device_id rk_gmac_dwmac_match[] = {
@@ -1858,7 +1850,6 @@ MODULE_DEVICE_TABLE(of, rk_gmac_dwmac_match);
 
 static struct platform_driver rk_gmac_dwmac_driver = {
 	.probe  = rk_gmac_probe,
-	.remove = rk_gmac_remove,
 	.driver = {
 		.name           = "rk_gmac-dwmac",
 		.pm		= &stmmac_simple_pm_ops,
-- 
2.47.3