--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -24,7 +24,8 @@
 #include <asm/mach-bcm47xx/bus.h>
 #include <linux/mtd/bcm47xx_nand.h>
 
-static char nvram_buf[NVRAM_SPACE];
+char nvram_buf[NVRAM_SPACE];
+EXPORT_SYMBOL(nvram_buf);
 static int cfe_env;
 extern char *cfe_env_get(char *nv_buf, const char *name);
 
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -58,6 +58,7 @@ void (*_dma_cache_wback)(unsigned long s
 void (*_dma_cache_inv)(unsigned long start, unsigned long size);
 
 EXPORT_SYMBOL(_dma_cache_wback_inv);
+EXPORT_SYMBOL(_dma_cache_inv);
 
 #endif /* CONFIG_DMA_NONCOHERENT */
 
