- * @filename: Name of file to read from
- * @addr: The address to read into
- * @offset: The offset in file to read from
- * @len: The number of bytes to read. Maybe 0 to read entire file
- * @actread: Returns the actual number of bytes read
- * @return 0 if ok with valid *actread, -1 on error conditions
+ * @filename: full path of the file to read from
+ * @addr: address of the buffer to write to
+ * @offset: offset in the file from where to start reading
+ * @len: the number of bytes to read. Use 0 to read entire file.
+ * @actread: returns the actual number of bytes read
+ * Return: 0 if OK with valid *actread, -1 on error conditions