i2c: mt7621: Use devm_clk_get_enabled()

Replace the pair of functions, devm_clk_get() and clk_prepare_enable(),
with a single function devm_clk_get_enabled().

Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

Author: Andi Shyti

drivers/i2c/busses/i2c-mt7621.c

@@ -282,16 +282,11 @@ static int mtk_i2c_probe(struct platform_device *pdev)
 	if (IS_ERR(i2c->base))
 		return PTR_ERR(i2c->base);
 
-	i2c->clk = devm_clk_get(&pdev->dev, NULL);
+	i2c->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(i2c->clk)) {
-		dev_err(&pdev->dev, "no clock defined\n");
+		dev_err(&pdev->dev, "Failed to enable clock\n");
 		return PTR_ERR(i2c->clk);
 	}
-	ret = clk_prepare_enable(i2c->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "Unable to enable clock\n");
-		return ret;
-	}
 
 	i2c->dev = &pdev->dev;
 
@@ -301,8 +296,7 @@ static int mtk_i2c_probe(struct platform_device *pdev)
 
 	if (i2c->bus_freq == 0) {
 		dev_warn(i2c->dev, "clock-frequency 0 not supported\n");
-		ret = -EINVAL;
-		goto err_disable_clk;
+		return -EINVAL;
 	}
 
 	adap = &i2c->adap;
@@ -320,23 +314,17 @@ static int mtk_i2c_probe(struct platform_device *pdev)
 
 	ret = i2c_add_adapter(adap);
 	if (ret < 0)
-		goto err_disable_clk;
+		return ret;
 
 	dev_info(&pdev->dev, "clock %u kHz\n", i2c->bus_freq / 1000);
 
 	return 0;
-
-err_disable_clk:
-	clk_disable_unprepare(i2c->clk);
-
-	return ret;
 }
 
 static void mtk_i2c_remove(struct platform_device *pdev)
 {
 	struct mtk_i2c *i2c = platform_get_drvdata(pdev);
 
-	clk_disable_unprepare(i2c->clk);
 	i2c_del_adapter(&i2c->adap);
 }