linux-kernel - [PATCH net-next 14/22] net: stmmac: dwmac-socfpga: use devm_stmmac_probe_config

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Message-Id: <20230829104033.955-15-jszhang@kernel.org>
Date:   Tue, 29 Aug 2023 18:40:25 +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 14/22] net: stmmac: dwmac-socfpga: use devm_stmmac_probe_config_dt()

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

The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 .../ethernet/stmicro/stmmac/dwmac-socfpga.c    | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 7db176e8691f..6d5e45fb54c9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -400,21 +400,19 @@ static int socfpga_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(dev, sizeof(*dwmac), GFP_KERNEL);
-	if (!dwmac) {
-		ret = -ENOMEM;
-		goto err_remove_config_dt;
-	}
+	if (!dwmac)
+		return -ENOMEM;
 
 	dwmac->stmmac_ocp_rst = devm_reset_control_get_optional(dev, "stmmaceth-ocp");
 	if (IS_ERR(dwmac->stmmac_ocp_rst)) {
 		ret = PTR_ERR(dwmac->stmmac_ocp_rst);
 		dev_err(dev, "error getting reset control of ocp %d\n", ret);
-		goto err_remove_config_dt;
+		return ret;
 	}
 
 	reset_control_deassert(dwmac->stmmac_ocp_rst);
@@ -422,7 +420,7 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
 	ret = socfpga_dwmac_parse_data(dwmac, dev);
 	if (ret) {
 		dev_err(dev, "Unable to parse OF data\n");
-		goto err_remove_config_dt;
+		return ret;
 	}
 
 	dwmac->ops = ops;
@@ -431,7 +429,7 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 	if (ret)
-		goto err_remove_config_dt;
+		return ret;
 
 	ndev = platform_get_drvdata(pdev);
 	stpriv = netdev_priv(ndev);
@@ -492,8 +490,6 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
 
 err_dvr_remove:
 	stmmac_dvr_remove(&pdev->dev);
-err_remove_config_dt:
-	stmmac_remove_config_dt(pdev, plat_dat);
 
 	return ret;
 }
@@ -504,7 +500,7 @@ static void socfpga_dwmac_remove(struct platform_device *pdev)
 	struct stmmac_priv *priv = netdev_priv(ndev);
 	struct phylink_pcs *pcs = priv->hw->lynx_pcs;
 
-	stmmac_pltfr_remove(pdev);
+	stmmac_pltfr_remove_no_dt(pdev);
 
 	lynx_pcs_destroy(pcs);
 }
-- 
2.40.1