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path: root/drivers/regulator/userspace-consumer.c
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Diffstat (limited to 'drivers/regulator/userspace-consumer.c')
-rw-r--r--drivers/regulator/userspace-consumer.c36
1 files changed, 10 insertions, 26 deletions
diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c
index 9d5ba935759..765acc11c9c 100644
--- a/drivers/regulator/userspace-consumer.c
+++ b/drivers/regulator/userspace-consumer.c
@@ -18,6 +18,7 @@
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/userspace-consumer.h>
@@ -110,11 +111,13 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
struct userspace_consumer_data *drvdata;
int ret;
- pdata = pdev->dev.platform_data;
+ pdata = dev_get_platdata(&pdev->dev);
if (!pdata)
return -EINVAL;
- drvdata = kzalloc(sizeof(struct userspace_consumer_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev,
+ sizeof(struct userspace_consumer_data),
+ GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
@@ -124,16 +127,16 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
mutex_init(&drvdata->lock);
- ret = regulator_bulk_get(&pdev->dev, drvdata->num_supplies,
- drvdata->supplies);
+ ret = devm_regulator_bulk_get(&pdev->dev, drvdata->num_supplies,
+ drvdata->supplies);
if (ret) {
dev_err(&pdev->dev, "Failed to get supplies: %d\n", ret);
- goto err_alloc_supplies;
+ return ret;
}
ret = sysfs_create_group(&pdev->dev.kobj, &attr_group);
if (ret != 0)
- goto err_create_attrs;
+ return ret;
if (pdata->init_on) {
ret = regulator_bulk_enable(drvdata->num_supplies,
@@ -153,11 +156,6 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
err_enable:
sysfs_remove_group(&pdev->dev.kobj, &attr_group);
-err_create_attrs:
- regulator_bulk_free(drvdata->num_supplies, drvdata->supplies);
-
-err_alloc_supplies:
- kfree(drvdata);
return ret;
}
@@ -170,9 +168,6 @@ static int regulator_userspace_consumer_remove(struct platform_device *pdev)
if (data->enabled)
regulator_bulk_disable(data->num_supplies, data->supplies);
- regulator_bulk_free(data->num_supplies, data->supplies);
- kfree(data);
-
return 0;
}
@@ -184,18 +179,7 @@ static struct platform_driver regulator_userspace_consumer_driver = {
},
};
-
-static int __init regulator_userspace_consumer_init(void)
-{
- return platform_driver_register(&regulator_userspace_consumer_driver);
-}
-module_init(regulator_userspace_consumer_init);
-
-static void __exit regulator_userspace_consumer_exit(void)
-{
- platform_driver_unregister(&regulator_userspace_consumer_driver);
-}
-module_exit(regulator_userspace_consumer_exit);
+module_platform_driver(regulator_userspace_consumer_driver);
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_DESCRIPTION("Userspace consumer for voltage and current regulators");