L2_cache_block_writeback_invalidate   84 arch/c6x/include/asm/cache.h extern void L2_cache_block_writeback_invalidate(unsigned int start,
L2_cache_block_writeback_invalidate  156 arch/c6x/mm/dma-coherent.c 		L2_cache_block_writeback_invalidate(paddr, paddr + size);