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PM / devfreq: Use devm_* APIs in exynos5_bus.c

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devm_* APIs are device managed and make clean up and exit codes
simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This commit is contained in:
Sachin Kamat 2013-06-05 11:43:01 +05:30 committed by MyungJoo Ham
parent 81c12a0a79
commit 02844f747e
1 changed files with 8 additions and 18 deletions
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26
drivers/devfreq/exynos/exynos5_bus.c
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@ -351,20 +351,18 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
err = exynos5250_init_int_tables(data);
if (err)
goto err_regulator;
return err;
data->vdd_int = regulator_get(dev, "vdd_int");
data->vdd_int = devm_regulator_get(dev, "vdd_int");
if (IS_ERR(data->vdd_int)) {
dev_err(dev, "Cannot get the regulator \"vdd_int\"\n");
err = PTR_ERR(data->vdd_int);
goto err_regulator;
return PTR_ERR(data->vdd_int);
}
data->int_clk = clk_get(dev, "int_clk");
data->int_clk = devm_clk_get(dev, "int_clk");
if (IS_ERR(data->int_clk)) {
dev_err(dev, "Cannot get clock \"int_clk\"\n");
err = PTR_ERR(data->int_clk);
goto err_clock;
return PTR_ERR(data->int_clk);
}
rcu_read_lock();
@ -374,8 +372,7 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
rcu_read_unlock();
dev_err(dev, "Invalid initial frequency %lu kHz.\n",
exynos5_devfreq_int_profile.initial_freq);
err = PTR_ERR(opp);
goto err_opp_add;
return PTR_ERR(opp);
}
initial_freq = opp_get_freq(opp);
initial_volt = opp_get_voltage(opp);
@ -385,12 +382,12 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
err = clk_set_rate(data->int_clk, initial_freq * 1000);
if (err) {
dev_err(dev, "Failed to set initial frequency\n");
goto err_opp_add;
return err;
}
err = exynos5_int_setvolt(data, initial_volt);
if (err)
goto err_opp_add;
return err;
platform_set_drvdata(pdev, data);
@ -419,11 +416,6 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
err_devfreq_add:
devfreq_remove_device(data->devfreq);
err_opp_add:
clk_put(data->int_clk);
err_clock:
regulator_put(data->vdd_int);
err_regulator:
return err;
}
@ -434,8 +426,6 @@ static int exynos5_busfreq_int_remove(struct platform_device *pdev)
pm_qos_remove_request(&data->int_req);
unregister_pm_notifier(&data->pm_notifier);
devfreq_remove_device(data->devfreq);
regulator_put(data->vdd_int);
clk_put(data->int_clk);
return 0;
}