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path: root/drivers/regulator/virtual.c
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Diffstat (limited to 'drivers/regulator/virtual.c')
-rw-r--r--drivers/regulator/virtual.c59
1 files changed, 20 insertions, 39 deletions
diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c
index 69e550f5763..6ff95b04598 100644
--- a/drivers/regulator/virtual.c
+++ b/drivers/regulator/virtual.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
+#include <linux/module.h>
struct virtual_consumer_data {
struct mutex lock;
@@ -120,7 +121,7 @@ static ssize_t set_min_uV(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -146,7 +147,7 @@ static ssize_t set_max_uV(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -172,7 +173,7 @@ static ssize_t set_min_uA(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -198,7 +199,7 @@ static ssize_t set_max_uA(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -265,11 +266,11 @@ static ssize_t set_mode(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR(min_microvolts, 0666, show_min_uV, set_min_uV);
-static DEVICE_ATTR(max_microvolts, 0666, show_max_uV, set_max_uV);
-static DEVICE_ATTR(min_microamps, 0666, show_min_uA, set_min_uA);
-static DEVICE_ATTR(max_microamps, 0666, show_max_uA, set_max_uA);
-static DEVICE_ATTR(mode, 0666, show_mode, set_mode);
+static DEVICE_ATTR(min_microvolts, 0664, show_min_uV, set_min_uV);
+static DEVICE_ATTR(max_microvolts, 0664, show_max_uV, set_max_uV);
+static DEVICE_ATTR(min_microamps, 0664, show_min_uA, set_min_uA);
+static DEVICE_ATTR(max_microamps, 0664, show_max_uA, set_max_uA);
+static DEVICE_ATTR(mode, 0664, show_mode, set_mode);
static struct attribute *regulator_virtual_attributes[] = {
&dev_attr_min_microvolts.attr,
@@ -284,24 +285,25 @@ static const struct attribute_group regulator_virtual_attr_group = {
.attrs = regulator_virtual_attributes,
};
-static int __devinit regulator_virtual_probe(struct platform_device *pdev)
+static int regulator_virtual_probe(struct platform_device *pdev)
{
- char *reg_id = pdev->dev.platform_data;
+ char *reg_id = dev_get_platdata(&pdev->dev);
struct virtual_consumer_data *drvdata;
int ret;
- drvdata = kzalloc(sizeof(struct virtual_consumer_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev, sizeof(struct virtual_consumer_data),
+ GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
mutex_init(&drvdata->lock);
- drvdata->regulator = regulator_get(&pdev->dev, reg_id);
+ drvdata->regulator = devm_regulator_get(&pdev->dev, reg_id);
if (IS_ERR(drvdata->regulator)) {
ret = PTR_ERR(drvdata->regulator);
dev_err(&pdev->dev, "Failed to obtain supply '%s': %d\n",
reg_id, ret);
- goto err;
+ return ret;
}
ret = sysfs_create_group(&pdev->dev.kobj,
@@ -309,7 +311,7 @@ static int __devinit regulator_virtual_probe(struct platform_device *pdev)
if (ret != 0) {
dev_err(&pdev->dev,
"Failed to create attribute group: %d\n", ret);
- goto err_regulator;
+ return ret;
}
drvdata->mode = regulator_get_mode(drvdata->regulator);
@@ -317,15 +319,9 @@ static int __devinit regulator_virtual_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, drvdata);
return 0;
-
-err_regulator:
- regulator_put(drvdata->regulator);
-err:
- kfree(drvdata);
- return ret;
}
-static int __devexit regulator_virtual_remove(struct platform_device *pdev)
+static int regulator_virtual_remove(struct platform_device *pdev)
{
struct virtual_consumer_data *drvdata = platform_get_drvdata(pdev);
@@ -333,35 +329,20 @@ static int __devexit regulator_virtual_remove(struct platform_device *pdev)
if (drvdata->enabled)
regulator_disable(drvdata->regulator);
- regulator_put(drvdata->regulator);
-
- kfree(drvdata);
-
- platform_set_drvdata(pdev, NULL);
return 0;
}
static struct platform_driver regulator_virtual_consumer_driver = {
.probe = regulator_virtual_probe,
- .remove = __devexit_p(regulator_virtual_remove),
+ .remove = regulator_virtual_remove,
.driver = {
.name = "reg-virt-consumer",
.owner = THIS_MODULE,
},
};
-static int __init regulator_virtual_consumer_init(void)
-{
- return platform_driver_register(&regulator_virtual_consumer_driver);
-}
-module_init(regulator_virtual_consumer_init);
-
-static void __exit regulator_virtual_consumer_exit(void)
-{
- platform_driver_unregister(&regulator_virtual_consumer_driver);
-}
-module_exit(regulator_virtual_consumer_exit);
+module_platform_driver(regulator_virtual_consumer_driver);
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_DESCRIPTION("Virtual regulator consumer");