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watchdog: ath79_wdt: convert to use devm_clk_get

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Use the managed version of clk_get. This allows to
simplify the probe/remove functions a bit.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Gabor Juhos 2012-12-27 15:38:24 +01:00 committed by Wim Van Sebroeck
parent 41adafbd7b
commit 5071a88475
1 changed files with 2 additions and 5 deletions
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7
drivers/watchdog/ath79_wdt.c
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@ -229,13 +229,13 @@ static int ath79_wdt_probe(struct platform_device *pdev)
u32 ctrl;
int err;
wdt_clk = clk_get(&pdev->dev, "wdt");
wdt_clk = devm_clk_get(&pdev->dev, "wdt");
if (IS_ERR(wdt_clk))
return PTR_ERR(wdt_clk);
err = clk_enable(wdt_clk);
if (err)
goto err_clk_put;
return err;
wdt_freq = clk_get_rate(wdt_clk);
if (!wdt_freq) {
@ -265,8 +265,6 @@ static int ath79_wdt_probe(struct platform_device *pdev)
err_clk_disable:
clk_disable(wdt_clk);
err_clk_put:
clk_put(wdt_clk);
return err;
}
@ -274,7 +272,6 @@ static int ath79_wdt_remove(struct platform_device *pdev)
{
misc_deregister(&ath79_wdt_miscdev);
clk_disable(wdt_clk);
clk_put(wdt_clk);
return 0;
}