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path: root/drivers/hwmon/atxp1.c
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Diffstat (limited to 'drivers/hwmon/atxp1.c')
-rw-r--r--drivers/hwmon/atxp1.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index 728a1e8b9190..0ccdd0750c44 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -27,6 +27,7 @@
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/sysfs.h>
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("System voltages control via Attansic ATXP1");
@@ -116,8 +117,7 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
{
struct atxp1_data *data;
struct i2c_client *client;
- char vid;
- char cvid;
+ int vid, cvid;
unsigned int vcore;
client = to_i2c_client(dev);
@@ -251,6 +251,17 @@ static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *att
*/
static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
+static struct attribute *atxp1_attributes[] = {
+ &dev_attr_gpio1.attr,
+ &dev_attr_gpio2.attr,
+ &dev_attr_cpu0_vid.attr,
+ NULL
+};
+
+static const struct attribute_group atxp1_group = {
+ .attrs = atxp1_attributes,
+};
+
static int atxp1_attach_adapter(struct i2c_adapter *adapter)
{
@@ -320,21 +331,23 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_free;
}
+ /* Register sysfs hooks */
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &atxp1_group)))
+ goto exit_detach;
+
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
- goto exit_detach;
+ goto exit_remove_files;
}
- device_create_file(&new_client->dev, &dev_attr_gpio1);
- device_create_file(&new_client->dev, &dev_attr_gpio2);
- device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
-
dev_info(&new_client->dev, "Using VRM: %d.%d\n",
data->vrm / 10, data->vrm % 10);
return 0;
+exit_remove_files:
+ sysfs_remove_group(&new_client->dev.kobj, &atxp1_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -349,6 +362,7 @@ static int atxp1_detach_client(struct i2c_client * client)
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &atxp1_group);
err = i2c_detach_client(client);