linux-kernel - [PATCH net-next 17/22] net: stmmac: dwmac-stm32: use devm_stmmac_probe_config

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Date:   Tue, 29 Aug 2023 18:40:28 +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 17/22] net: stmmac: dwmac-stm32: use devm_stmmac_probe_config_dt()

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

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 .../net/ethernet/stmicro/stmmac/dwmac-stm32.c   | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index 3a09085819dc..7214a1b11b34 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -370,21 +370,18 @@ static int stm32_dwmac_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);
 
 	dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
-	if (!dwmac) {
-		ret = -ENOMEM;
-		goto err_remove_config_dt;
-	}
+	if (!dwmac)
+		return -ENOMEM;
 
 	data = of_device_get_match_data(&pdev->dev);
 	if (!data) {
 		dev_err(&pdev->dev, "no of match data provided\n");
-		ret = -EINVAL;
-		goto err_remove_config_dt;
+		return -EINVAL;
 	}
 
 	dwmac->ops = data;
@@ -393,14 +390,14 @@ static int stm32_dwmac_probe(struct platform_device *pdev)
 	ret = stm32_dwmac_parse_data(dwmac, &pdev->dev);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to parse OF data\n");
-		goto err_remove_config_dt;
+		return ret;
 	}
 
 	plat_dat->bsp_priv = dwmac;
 
 	ret = stm32_dwmac_init(plat_dat);
 	if (ret)
-		goto err_remove_config_dt;
+		return ret;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 	if (ret)
@@ -410,8 +407,6 @@ static int stm32_dwmac_probe(struct platform_device *pdev)
 
 err_clk_disable:
 	stm32_dwmac_clk_disable(dwmac);
-err_remove_config_dt:
-	stmmac_remove_config_dt(pdev, plat_dat);
 
 	return ret;
 }
-- 
2.40.1