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openwrt-xburst/target/linux/ifxmips/patches/170-dma_hack.patch

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--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -50,6 +50,8 @@ 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_wback);
+EXPORT_SYMBOL(_dma_cache_inv);
#endif /* CONFIG_DMA_NONCOHERENT */