-int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
- int *eof, void *data);
-
-extern struct comedi_driver *comedi_drivers;
-
-int comedi_read_procmem(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
+#ifdef CONFIG_PROC_FS
+static int comedi_read(char *buf, char **start, off_t offset, int len,
+ int *eof, void *data)