linux-kernel - [PATCH net-next 11/22] net: stmmac: dwmac-meson: use devm_stmmac_probe_config

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230829104033.955-12-jszhang@kernel.org>
Date:   Tue, 29 Aug 2023 18:40:22 +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 11/22] net: stmmac: dwmac-meson: 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-meson.c | 27 +++++--------------
 1 file changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
index 959f88c6da16..3373d3ec2368 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
@@ -52,35 +52,22 @@ static int meson6_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;
 
 	dwmac->reg = devm_platform_ioremap_resource(pdev, 1);
-	if (IS_ERR(dwmac->reg)) {
-		ret = PTR_ERR(dwmac->reg);
-		goto err_remove_config_dt;
-	}
+	if (IS_ERR(dwmac->reg))
+		return PTR_ERR(dwmac->reg);
 
 	plat_dat->bsp_priv = dwmac;
 	plat_dat->fix_mac_speed = meson6_dwmac_fix_mac_speed;
 
-	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 stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 }
 
 static const struct of_device_id meson6_dwmac_match[] = {
@@ -91,7 +78,7 @@ MODULE_DEVICE_TABLE(of, meson6_dwmac_match);
 
 static struct platform_driver meson6_dwmac_driver = {
 	.probe  = meson6_dwmac_probe,
-	.remove_new = stmmac_pltfr_remove,
+	.remove_new = stmmac_pltfr_remove_no_dt,
 	.driver = {
 		.name           = "meson6-dwmac",
 		.pm		= &stmmac_pltfr_pm_ops,
-- 
2.40.1