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

From: Stephen Boyd
Date: Wed Sep 19 2012 - 02:05:39 EST


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

Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
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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