linux-kernel - [PATCH net-next v2] net: lantiq: Use devm_platform_get_and_ioremap

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Message-ID: <20210605122127.2469235-1-yangyingliang@huawei.com>
Date:   Sat, 5 Jun 2021 20:21:27 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <hauke@...ke-m.de>, <davem@...emloft.net>, <kuba@...nel.org>
Subject: [PATCH net-next v2] net: lantiq: Use devm_platform_get_and_ioremap_resource()

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
v2:
  remove 'res'
---
 drivers/net/ethernet/lantiq_xrx200.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
index 36dc3e5f6218..27df06ed355e 100644
--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -436,7 +436,6 @@ static int xrx200_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	struct resource *res;
 	struct xrx200_priv *priv;
 	struct net_device *net_dev;
 	int err;
@@ -456,13 +455,7 @@ static int xrx200_probe(struct platform_device *pdev)
 	net_dev->max_mtu = XRX200_DMA_DATA_LEN;
 
 	/* load the memory ranges */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to get resources\n");
-		return -ENOENT;
-	}
-
-	priv->pmac_reg = devm_ioremap_resource(dev, res);
+	priv->pmac_reg = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(priv->pmac_reg))
 		return PTR_ERR(priv->pmac_reg);
 
-- 
2.25.1