--- a/drivers/firmware/broadcom/bcm47xx_nvram.c
+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
@@ -34,7 +34,8 @@ struct nvram_header {
 	u32 config_ncdl;	/* ncdl values for memc */
 };
 
-static char nvram_buf[NVRAM_SPACE];
+char nvram_buf[NVRAM_SPACE];
+EXPORT_SYMBOL(nvram_buf);
 static size_t nvram_len;
 static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
 static int cfe_env;
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -64,6 +64,7 @@ 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 || CONFIG_DMA_MAYBE_COHERENT */