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path: root/drivers/hwmon/mc13783-adc.c
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Diffstat (limited to 'drivers/hwmon/mc13783-adc.c')
-rw-r--r--drivers/hwmon/mc13783-adc.c31
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/hwmon/mc13783-adc.c b/drivers/hwmon/mc13783-adc.c
index ce86c5e3c2c..ae00e60d856 100644
--- a/drivers/hwmon/mc13783-adc.c
+++ b/drivers/hwmon/mc13783-adc.c
@@ -37,7 +37,7 @@
struct mc13783_adc_priv {
struct mc13xxx *mc13xxx;
struct device *hwmon_dev;
- char name[10];
+ char name[PLATFORM_NAME_SIZE];
};
static ssize_t mc13783_adc_show_name(struct device *dev, struct device_attribute
@@ -179,7 +179,7 @@ static int __init mc13783_adc_probe(struct platform_device *pdev)
const struct platform_device_id *id = platform_get_device_id(pdev);
char *dash;
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -194,7 +194,7 @@ static int __init mc13783_adc_probe(struct platform_device *pdev)
/* Register sysfs hooks */
ret = sysfs_create_group(&pdev->dev.kobj, &mc13783_group_base);
if (ret)
- goto out_err_create_base;
+ return ret;
if (id->driver_data & MC13783_ADC_16CHANS) {
ret = sysfs_create_group(&pdev->dev.kobj,
@@ -230,15 +230,10 @@ out_err_create_ts:
out_err_create_16chans:
sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_base);
-out_err_create_base:
-
- platform_set_drvdata(pdev, NULL);
- kfree(priv);
-
return ret;
}
-static int __devexit mc13783_adc_remove(struct platform_device *pdev)
+static int mc13783_adc_remove(struct platform_device *pdev)
{
struct mc13783_adc_priv *priv = platform_get_drvdata(pdev);
kernel_ulong_t driver_data = platform_get_device_id(pdev)->driver_data;
@@ -253,9 +248,6 @@ static int __devexit mc13783_adc_remove(struct platform_device *pdev)
sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_base);
- platform_set_drvdata(pdev, NULL);
- kfree(priv);
-
return 0;
}
@@ -273,7 +265,7 @@ static const struct platform_device_id mc13783_adc_idtable[] = {
MODULE_DEVICE_TABLE(platform, mc13783_adc_idtable);
static struct platform_driver mc13783_adc_driver = {
- .remove = __devexit_p(mc13783_adc_remove),
+ .remove = mc13783_adc_remove,
.driver = {
.owner = THIS_MODULE,
.name = DRIVER_NAME,
@@ -281,18 +273,7 @@ static struct platform_driver mc13783_adc_driver = {
.id_table = mc13783_adc_idtable,
};
-static int __init mc13783_adc_init(void)
-{
- return platform_driver_probe(&mc13783_adc_driver, mc13783_adc_probe);
-}
-
-static void __exit mc13783_adc_exit(void)
-{
- platform_driver_unregister(&mc13783_adc_driver);
-}
-
-module_init(mc13783_adc_init);
-module_exit(mc13783_adc_exit);
+module_platform_driver_probe(mc13783_adc_driver, mc13783_adc_probe);
MODULE_DESCRIPTION("MC13783 ADC driver");
MODULE_AUTHOR("Luotao Fu <l.fu@pengutronix.de>");