iop_desc_init_null_xor 1503 drivers/dma/iop-adma.c 		iop_desc_init_null_xor(grp_start, 2, 0);
iop_desc_init_null_xor  662 drivers/dma/iop-adma.h 		iop_desc_init_null_xor(desc, 2, 1);