netdev - [PATCH net-next 2/3] net: stmmac: sti: convert to devm_stmmac_pltfr

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Message-Id: <E1u4jMj-000rCM-31@rmk-PC.armlinux.org.uk>
Date: Tue, 15 Apr 2025 17:42:29 +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 net-next 2/3] net: stmmac: sti: convert to
 devm_stmmac_pltfr_probe()

Convert sti to use the generic devm_stmmac_pltfr_probe() which will
call plat_dat->init()/plat_dat->exit() as appropriate, thus
simplifying the code.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/stmicro/stmmac/dwmac-sti.c   | 54 +++++++++----------
 1 file changed, 26 insertions(+), 28 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
index c580647ff9dc..b6e09bd33894 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
@@ -233,6 +233,29 @@ static int sti_dwmac_parse_data(struct sti_dwmac *dwmac,
 	return 0;
 }
 
+static int sti_dwmac_init(struct platform_device *pdev, void *bsp_priv)
+{
+	struct sti_dwmac *dwmac = bsp_priv;
+	int ret;
+
+	ret = clk_prepare_enable(dwmac->clk);
+	if (ret)
+		return ret;
+
+	ret = sti_dwmac_set_mode(dwmac);
+	if (ret)
+		clk_disable_unprepare(dwmac->clk);
+
+	return ret;
+}
+
+static void sti_dwmac_exit(struct platform_device *pdev, void *bsp_priv)
+{
+	struct sti_dwmac *dwmac = bsp_priv;
+
+	clk_disable_unprepare(dwmac->clk);
+}
+
 static int sti_dwmac_probe(struct platform_device *pdev)
 {
 	struct plat_stmmacenet_data *plat_dat;
@@ -269,34 +292,10 @@ static int sti_dwmac_probe(struct platform_device *pdev)
 
 	plat_dat->bsp_priv = dwmac;
 	plat_dat->fix_mac_speed = data->fix_retime_src;
+	plat_dat->init = sti_dwmac_init;
+	plat_dat->exit = sti_dwmac_exit;
 
-	ret = clk_prepare_enable(dwmac->clk);
-	if (ret)
-		return ret;
-
-	ret = sti_dwmac_set_mode(dwmac);
-	if (ret)
-		goto disable_clk;
-
-	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
-	if (ret)
-		goto disable_clk;
-
-	return 0;
-
-disable_clk:
-	clk_disable_unprepare(dwmac->clk);
-
-	return ret;
-}
-
-static void sti_dwmac_remove(struct platform_device *pdev)
-{
-	struct sti_dwmac *dwmac = get_stmmac_bsp_priv(&pdev->dev);
-
-	stmmac_dvr_remove(&pdev->dev);
-
-	clk_disable_unprepare(dwmac->clk);
+	return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
 }
 
 static int sti_dwmac_suspend(struct device *dev)
@@ -334,7 +333,6 @@ MODULE_DEVICE_TABLE(of, sti_dwmac_match);
 
 static struct platform_driver sti_dwmac_driver = {
 	.probe  = sti_dwmac_probe,
-	.remove = sti_dwmac_remove,
 	.driver = {
 		.name           = "sti-dwmac",
 		.pm		= pm_sleep_ptr(&sti_dwmac_pm_ops),
-- 
2.30.2