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>

diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index d39d506aa63e5f6386c2e55f185381c688d648e5..1d24397d36ecd7c08e03973254f2c6b24437750a 100644 (file)
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -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 */

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 99ab39f19bf4ffa9b2db8edc4ca45125e5a22148..f7c47d7994e7f652bba64e6bc2336b6f603c4b94 100644 (file)
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -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);