linux-kernel - [PATCH 5/5] net: ethernet: mtk_eth_mac: use devm_register

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Message-Id: <20200520114415.13041-6-brgl@bgdev.pl>
Date:   Wed, 20 May 2020 13:44:15 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Jonathan Corbet <corbet@....net>,
        "David S . Miller" <davem@...emloft.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Fabien Parent <fparent@...libre.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Edwin Peer <edwin.peer@...adcom.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Stephane Le Provost <stephane.leprovost@...iatek.com>,
        Pedro Tsai <pedro.tsai@...iatek.com>,
        Andrew Perepech <andrew.perepech@...iatek.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 5/5] net: ethernet: mtk_eth_mac: use devm_register_netdev()

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

Use the new devres variant of register_netdev() in the mtk-eth-mac
driver and shrink the code by a couple lines.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/net/ethernet/mediatek/mtk_eth_mac.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_mac.c b/drivers/net/ethernet/mediatek/mtk_eth_mac.c
index 4dfe7c2c4e3d..2919ce27efeb 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_mac.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_mac.c
@@ -1513,13 +1513,6 @@ static void mtk_mac_clk_disable_unprepare(void *data)
 	clk_bulk_disable_unprepare(MTK_MAC_NCLKS, priv->clks);
 }
 
-static void mtk_mac_unregister_netdev(void *data)
-{
-	struct net_device *ndev = data;
-
-	unregister_netdev(ndev);
-}
-
 static int mtk_mac_probe(struct platform_device *pdev)
 {
 	struct device_node *of_node;
@@ -1631,15 +1624,7 @@ static int mtk_mac_probe(struct platform_device *pdev)
 
 	netif_napi_add(ndev, &priv->napi, mtk_mac_poll, MTK_MAC_NAPI_WEIGHT);
 
-	ret = register_netdev(ndev);
-	if (ret)
-		return ret;
-
-	ret = devm_add_action_or_reset(dev, mtk_mac_unregister_netdev, ndev);
-	if (ret)
-		return ret;
-
-	return 0;
+	return devm_register_netdev(dev, ndev);
 }
 
 static const struct of_device_id mtk_mac_of_match[] = {
-- 
2.25.0