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From:   Jisheng Zhang <jszhang@kernel.org>
To:     Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Jose Abreu <joabreu@synopsys.com>,
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        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Vladimir Zapolskiy <vz@mleia.com>,
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        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Emil Renner Berthing <kernel@esmil.dk>,
        Samin Guo <samin.guo@starfivetech.com>,
        Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Samuel Holland <samuel@sholland.org>,
        Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
        Russell King <linux@armlinux.org.uk>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Cc:     netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH net-next 06/22] net: stmmac: dwmac-ingenic: use devm_stmmac_probe_config_dt()
Date:   Tue, 29 Aug 2023 18:40:17 +0800
Message-Id: <20230829104033.955-7-jszhang@kernel.org>
In-Reply-To: <20230829104033.955-1-jszhang@kernel.org>
References: <20230829104033.955-1-jszhang@kernel.org>
MIME-Version: 1.0
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Precedence: bulk

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@kernel.org>
---
 .../ethernet/stmicro/stmmac/dwmac-ingenic.c   | 35 ++++++-------------
 1 file changed, 10 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
index e22ef0d6bc73..ddfd7af63492 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c
@@ -241,29 +241,25 @@ static int ingenic_mac_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);
 
 	mac = devm_kzalloc(&pdev->dev, sizeof(*mac), GFP_KERNEL);
-	if (!mac) {
-		ret = -ENOMEM;
-		goto err_remove_config_dt;
-	}
+	if (!mac)
+		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;
 	}
 
 	/* Get MAC PHY control register */
 	mac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "mode-reg");
 	if (IS_ERR(mac->regmap)) {
 		dev_err(&pdev->dev, "%s: Failed to get syscon regmap\n", __func__);
-		ret = PTR_ERR(mac->regmap);
-		goto err_remove_config_dt;
+		return PTR_ERR(mac->regmap);
 	}
 
 	if (!of_property_read_u32(pdev->dev.of_node, "tx-clk-delay-ps", &tx_delay_ps)) {
@@ -272,8 +268,7 @@ static int ingenic_mac_probe(struct platform_device *pdev)
 			mac->tx_delay = tx_delay_ps * 1000;
 		} else {
 			dev_err(&pdev->dev, "Invalid TX clock delay: %dps\n", tx_delay_ps);
-			ret = -EINVAL;
-			goto err_remove_config_dt;
+			return -EINVAL;
 		}
 	}
 
@@ -283,8 +278,7 @@ static int ingenic_mac_probe(struct platform_device *pdev)
 			mac->rx_delay = rx_delay_ps * 1000;
 		} else {
 			dev_err(&pdev->dev, "Invalid RX clock delay: %dps\n", rx_delay_ps);
-			ret = -EINVAL;
-			goto err_remove_config_dt;
+			return -EINVAL;
 		}
 	}
 
@@ -295,18 +289,9 @@ static int ingenic_mac_probe(struct platform_device *pdev)
 
 	ret = ingenic_mac_init(plat_dat);
 	if (ret)
-		goto err_remove_config_dt;
-
-	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
-	if (ret)
-		goto err_remove_config_dt;
-
-	return 0;
-
-err_remove_config_dt:
-	stmmac_remove_config_dt(pdev, plat_dat);
+		return ret;
 
-	return ret;
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -385,7 +370,7 @@ MODULE_DEVICE_TABLE(of, ingenic_mac_of_matches);
 
 static struct platform_driver ingenic_mac_driver = {
 	.probe		= ingenic_mac_probe,
-	.remove_new	= stmmac_pltfr_remove,
+	.remove_new	= stmmac_pltfr_remove_no_dt,
 	.driver		= {
 		.name	= "ingenic-mac",
 		.pm		= pm_ptr(&ingenic_mac_pm_ops),
-- 
2.40.1