linux-kernel - [PATCH net-next 19/22] net: stmmac: dwmac-sunxi: use devm_stmmac_probe_config

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Message-Id: <20230829104033.955-20-jszhang@kernel.org>
Date:   Tue, 29 Aug 2023 18:40:30 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        Samin Guo <samin.guo@...rfivetech.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Russell King <linux@...linux.org.uk>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Cc:     netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 19/22] net: stmmac: dwmac-sunxi: use devm_stmmac_probe_config_dt()

Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().

The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 .../net/ethernet/stmicro/stmmac/dwmac-sunxi.c | 25 +++++++------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index beceeae579bf..b857235f5b1f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -108,36 +108,31 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac);
+	plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
 	if (IS_ERR(plat_dat))
 		return PTR_ERR(plat_dat);
 
 	gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
-	if (!gmac) {
-		ret = -ENOMEM;
-		goto err_remove_config_dt;
-	}
+	if (!gmac)
+		return -ENOMEM;
 
 	ret = of_get_phy_mode(dev->of_node, &gmac->interface);
 	if (ret && ret != -ENODEV) {
 		dev_err(dev, "Can't get phy-mode\n");
-		goto err_remove_config_dt;
+		return ret;
 	}
 
 	gmac->tx_clk = devm_clk_get(dev, "allwinner_gmac_tx");
 	if (IS_ERR(gmac->tx_clk)) {
 		dev_err(dev, "could not get tx clock\n");
-		ret = PTR_ERR(gmac->tx_clk);
-		goto err_remove_config_dt;
+		return PTR_ERR(gmac->tx_clk);
 	}
 
 	/* Optional regulator for PHY */
 	gmac->regulator = devm_regulator_get_optional(dev, "phy");
 	if (IS_ERR(gmac->regulator)) {
-		if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER) {
-			ret = -EPROBE_DEFER;
-			goto err_remove_config_dt;
-		}
+		if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
 		dev_info(dev, "no regulator found\n");
 		gmac->regulator = NULL;
 	}
@@ -155,7 +150,7 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
 
 	ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv);
 	if (ret)
-		goto err_remove_config_dt;
+		return ret;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 	if (ret)
@@ -165,8 +160,6 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
 
 err_gmac_exit:
 	sun7i_gmac_exit(pdev, plat_dat->bsp_priv);
-err_remove_config_dt:
-	stmmac_remove_config_dt(pdev, plat_dat);
 
 	return ret;
 }
@@ -179,7 +172,7 @@ MODULE_DEVICE_TABLE(of, sun7i_dwmac_match);
 
 static struct platform_driver sun7i_dwmac_driver = {
 	.probe  = sun7i_gmac_probe,
-	.remove_new = stmmac_pltfr_remove,
+	.remove_new = stmmac_pltfr_remove_no_dt,
 	.driver = {
 		.name           = "sun7i-dwmac",
 		.pm		= &stmmac_pltfr_pm_ops,
-- 
2.40.1