Subject: [PATCH 3/3] clk: wm831x: Use devm_clk_register() to simplify code

From: [email-masked] (Stephen Boyd)
Date: Tue, 18 Sep 2012 23:05:30 -0700

Move this driver to use devm_clk_register() to simplify some
error paths and reduce lines of code.

Cc: Mark Brown <[email-masked]>
Signed-off-by: Stephen Boyd <[email-masked]>
---
 drivers/clk/clk-wm831x.c | 30 +++++++-----------------------
 1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c
index eb1afaf..db4fbf2 100644
--- a/drivers/clk/clk-wm831x.c
+++ b/drivers/clk/clk-wm831x.c
@@ -370,43 +370,27 @@ static __devinit int wm831x_clk_probe(struct platform_device *pdev)
 	clkdata->xtal_ena = ret & WM831X_XTAL_ENA;
 
 	clkdata->xtal_hw.init = &wm831x_xtal_init;
-	clkdata->xtal = clk_register(&pdev->dev, &clkdata->xtal_hw);
+	clkdata->xtal = devm_clk_register(&pdev->dev, &clkdata->xtal_hw);
 	if (IS_ERR(clkdata->xtal))
 		return PTR_ERR(clkdata->xtal);
 
 	clkdata->fll_hw.init = &wm831x_fll_init;
-	clkdata->fll = clk_register(&pdev->dev, &clkdata->fll_hw);
-	if (IS_ERR(clkdata->fll)) {
-		ret = PTR_ERR(clkdata->fll);
-		goto err_xtal;
-	}
+	clkdata->fll = devm_clk_register(&pdev->dev, &clkdata->fll_hw);
+	if (IS_ERR(clkdata->fll))
+		return PTR_ERR(clkdata->fll);
 
 	clkdata->clkout_hw.init = &wm831x_clkout_init;
-	clkdata->clkout = clk_register(&pdev->dev, &clkdata->clkout_hw);
-	if (IS_ERR(clkdata->clkout)) {
-		ret = PTR_ERR(clkdata->clkout);
-		goto err_fll;
-	}
+	clkdata->clkout = devm_clk_register(&pdev->dev, &clkdata->clkout_hw);
+	if (IS_ERR(clkdata->clkout))
+		return PTR_ERR(clkdata->clkout);
 
 	dev_set_drvdata(&pdev->dev, clkdata);
 
 	return 0;
-
-err_fll:
-	clk_unregister(clkdata->fll);
-err_xtal:
-	clk_unregister(clkdata->xtal);
-	return ret;
 }
 
 static int __devexit wm831x_clk_remove(struct platform_device *pdev)
 {
-	struct wm831x_clk *clkdata = dev_get_drvdata(&pdev->dev);
-
-	clk_unregister(clkdata->clkout);
-	clk_unregister(clkdata->fll);
-	clk_unregister(clkdata->xtal);
-
 	return 0;
 }
 
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