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hwmon: (pmbus) Export pmbus device debugfs directory entry 

Pmbus client drivers, if they want to use debugfs, should use the same
root directory as the pmbus debugfs entries are using. Therefore, export
the device dentry for the pmbus client.

Signed-off-by: Edward A. James <eajames@us.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
hifive-unleashed-5.1
Edward A. James 2017-12-11 15:32:49 -06:00 committed by Guenter Roeck
parent 571e3f3a8e
commit eb6489b696
2 changed files with 10 additions and 0 deletions
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2
drivers/hwmon/pmbus/pmbus.h
View File

@ -461,4 +461,6 @@ int pmbus_get_fan_rate_cached(struct i2c_client *client, int page, int id,
enum pmbus_fan_mode mode);
int pmbus_update_fan(struct i2c_client *client, int page, int id,
u8 config, u8 mask, u16 command);
struct dentry *pmbus_get_debugfs_dir(struct i2c_client *client);
#endif /* PMBUS_H */

8
drivers/hwmon/pmbus/pmbus_core.c
View File

@ -2381,6 +2381,14 @@ int pmbus_do_remove(struct i2c_client *client)
}
EXPORT_SYMBOL_GPL(pmbus_do_remove);
struct dentry *pmbus_get_debugfs_dir(struct i2c_client *client)
{
struct pmbus_data *data = i2c_get_clientdata(client);
return data->debugfs;
}
EXPORT_SYMBOL_GPL(pmbus_get_debugfs_dir);
static int __init pmbus_core_init(void)
{
pmbus_debugfs_dir = debugfs_create_dir("pmbus", NULL);