linux-kernel - [net-next v2 9/9] net: marvell: pxa168_eth: Convert to devm_clk_get

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Message-Id: <20240823072122.2053401-10-frank.li@vivo.com>
Date: Fri, 23 Aug 2024 01:21:21 -0600
From: Yangtao Li <frank.li@...o.com>
To: clement.leger@...tlin.com,
	andrew@...n.ch,
	f.fainelli@...il.com,
	olteanv@...il.com,
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Cc: linux-renesas-soc@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Yangtao Li <frank.li@...o.com>
Subject: [net-next v2 9/9] net: marvell: pxa168_eth: Convert to devm_clk_get_enabled()

Convert devm_clk_get(), clk_prepare_enable() to a single
call to devm_clk_get_enabled(), as this is exactly
what this function does.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 drivers/net/ethernet/marvell/pxa168_eth.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 1a59c952aa01..bad91cc705e8 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -237,8 +237,6 @@ struct pxa168_eth_private {
 	struct timer_list timeout;
 	struct mii_bus *smi_bus;
 
-	/* clock */
-	struct clk *clk;
 	struct pxa168_eth_platform_data *pd;
 	/*
 	 * Ethernet controller base address.
@@ -1394,23 +1392,19 @@ static int pxa168_eth_probe(struct platform_device *pdev)
 
 	printk(KERN_NOTICE "PXA168 10/100 Ethernet Driver\n");
 
-	clk = devm_clk_get(&pdev->dev, NULL);
+	clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(clk)) {
 		dev_err(&pdev->dev, "Fast Ethernet failed to get clock\n");
-		return -ENODEV;
+		return PTR_ERR(clk);
 	}
-	clk_prepare_enable(clk);
 
 	dev = alloc_etherdev(sizeof(struct pxa168_eth_private));
-	if (!dev) {
-		err = -ENOMEM;
-		goto err_clk;
-	}
+	if (!dev)
+		return -ENOMEM;
 
 	platform_set_drvdata(pdev, dev);
 	pep = netdev_priv(dev);
 	pep->dev = dev;
-	pep->clk = clk;
 
 	pep->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pep->base)) {
@@ -1523,8 +1517,6 @@ static int pxa168_eth_probe(struct platform_device *pdev)
 	mdiobus_free(pep->smi_bus);
 err_netdev:
 	free_netdev(dev);
-err_clk:
-	clk_disable_unprepare(clk);
 	return err;
 }
 
@@ -1542,7 +1534,6 @@ static void pxa168_eth_remove(struct platform_device *pdev)
 	if (dev->phydev)
 		phy_disconnect(dev->phydev);
 
-	clk_disable_unprepare(pep->clk);
 	mdiobus_unregister(pep->smi_bus);
 	mdiobus_free(pep->smi_bus);
 	unregister_netdev(dev);
-- 
2.39.0