[PATCH] phy: amlogic: use devm_clk_get_enabled() to simplify the code

From: Heiner Kallweit <hkallweit1@gmail.com>
To: Kishon Vijay Abraham I <kishon@ti.com>,
	Vinod Koul <vkoul@kernel.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-phy@lists.infradead.org,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"open list:ARM/Amlogic Meson..."
	<linux-amlogic@lists.infradead.org>
Subject: [PATCH] phy: amlogic: use devm_clk_get_enabled() to simplify the code
Date: Tue, 30 Aug 2022 19:16:07 +0200	[thread overview]
Message-ID: <9308a2a3-e828-bd9d-ab83-a68376aab5c3@gmail.com> (raw)

Simplify the code by using devm_clk_get_enabled().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 .../phy/amlogic/phy-meson-g12a-usb3-pcie.c    | 32 ++++---------------
 1 file changed, 6 insertions(+), 26 deletions(-)

diff --git a/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c b/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c
index 54d65a6f0..d2a1da8d9 100644
--- a/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c
+++ b/drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c
@@ -388,7 +388,6 @@ static int phy_g12a_usb3_pcie_probe(struct platform_device *pdev)
 	struct phy_g12a_usb3_pcie_priv *priv;
 	struct phy_provider *phy_provider;
 	void __iomem *base;
-	int ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -408,43 +407,24 @@ static int phy_g12a_usb3_pcie_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->regmap_cr))
 		return PTR_ERR(priv->regmap_cr);
 
-	priv->clk_ref = devm_clk_get(dev, "ref_clk");
+	priv->clk_ref = devm_clk_get_enabled(dev, "ref_clk");
 	if (IS_ERR(priv->clk_ref))
 		return PTR_ERR(priv->clk_ref);
 
-	ret = clk_prepare_enable(priv->clk_ref);
-	if (ret)
-		return ret;
-
 	priv->reset = devm_reset_control_array_get_exclusive(dev);
-	if (IS_ERR(priv->reset)) {
-		ret = PTR_ERR(priv->reset);
-		goto err_disable_clk_ref;
-	}
+	if (IS_ERR(priv->reset))
+		return PTR_ERR(priv->reset);
 
 	priv->phy = devm_phy_create(dev, np, &phy_g12a_usb3_pcie_ops);
-	if (IS_ERR(priv->phy)) {
-		ret = PTR_ERR(priv->phy);
-		dev_err_probe(dev, ret, "failed to create PHY\n");
-		goto err_disable_clk_ref;
-	}
+	if (IS_ERR(priv->phy))
+		return dev_err_probe(dev, PTR_ERR(priv->phy), "failed to create PHY\n");
 
 	phy_set_drvdata(priv->phy, priv);
 	dev_set_drvdata(dev, priv);
 
 	phy_provider = devm_of_phy_provider_register(dev,
 						     phy_g12a_usb3_pcie_xlate);
-	if (IS_ERR(phy_provider)) {
-		ret = PTR_ERR(phy_provider);
-		goto err_disable_clk_ref;
-	}
-
-	return 0;
-
-err_disable_clk_ref:
-	clk_disable_unprepare(priv->clk_ref);
-
-	return ret;
+	return PTR_ERR_OR_ZERO(phy_provider);
 }
 
 static const struct of_device_id phy_g12a_usb3_pcie_of_match[] = {
-- 
2.37.2


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