--- zzzz-none-000/linux-2.6.13.1/include/asm-mips/mips-boards/prom.h	2005-09-10 02:42:58.000000000 +0000
+++ ohio-7170-487/linux-2.6.13.1/include/asm-mips/mips-boards/prom.h	2006-09-15 09:04:33.000000000 +0000
@@ -23,11 +23,13 @@
  *
  */
 
+#include <linux/env.h>
+
 #ifndef _MIPS_PROM_H
 #define _MIPS_PROM_H
 
 extern char *prom_getcmdline(void);
-extern char *prom_getenv(char *name);
+/*--- extern char *prom_getenv(char *name); ---*/
 extern void setup_prom_printf(int tty_no);
 extern void prom_printf(char *fmt, ...);
 extern void prom_init_cmdline(void);