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thermal: imx: handle error path in one place to save duplicated code 

During probe phase, the error path can be handled in one place and
use goto method to save many duplicated code.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Anson Huang 2018-09-13 17:13:06 +08:00 committed by Eduardo Valentin
parent 337a4aecda
commit b6ad3981ff
1 changed files with 14 additions and 15 deletions
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29
drivers/thermal/imx_thermal.c
View File

@ -762,9 +762,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev,
"failed to get thermal clk: %d\n", ret);
cpufreq_cooling_unregister(data->cdev);
cpufreq_cpu_put(data->policy);
return ret;
goto cpufreq_put;
}
/*
@ -777,9 +775,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
ret = clk_prepare_enable(data->thermal_clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable thermal clk: %d\n", ret);
cpufreq_cooling_unregister(data->cdev);
cpufreq_cpu_put(data->policy);
return ret;
goto cpufreq_put;
}
data->tz = thermal_zone_device_register("imx_thermal_zone",
@ -792,10 +788,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
ret = PTR_ERR(data->tz);
dev_err(&pdev->dev,
"failed to register thermal zone device %d\n", ret);
clk_disable_unprepare(data->thermal_clk);
cpufreq_cooling_unregister(data->cdev);
cpufreq_cpu_put(data->policy);
return ret;
goto clk_disable;
}
dev_info(&pdev->dev, "%s CPU temperature grade - max:%dC"
@ -827,14 +820,20 @@ static int imx_thermal_probe(struct platform_device *pdev)
0, "imx_thermal", data);
if (ret < 0) {
dev_err(&pdev->dev, "failed to request alarm irq: %d\n", ret);
clk_disable_unprepare(data->thermal_clk);
thermal_zone_device_unregister(data->tz);
cpufreq_cooling_unregister(data->cdev);
cpufreq_cpu_put(data->policy);
return ret;
goto thermal_zone_unregister;
}
return 0;
thermal_zone_unregister:
thermal_zone_device_unregister(data->tz);
clk_disable:
clk_disable_unprepare(data->thermal_clk);
cpufreq_put:
cpufreq_cooling_unregister(data->cdev);
cpufreq_cpu_put(data->policy);
return ret;
}
static int imx_thermal_remove(struct platform_device *pdev)