409 			     dma_addr_t src, size_t len, u32 num, u32 ccfg)  in zx_dma_fill_desc()  argument
411 	if ((num + 1) < ds->desc_num)  in zx_dma_fill_desc()
412 		ds->desc_hw[num].lli = ds->desc_hw_lli + (num + 1) *  in zx_dma_fill_desc()
414 	ds->desc_hw[num].saddr = src;  in zx_dma_fill_desc()
415 	ds->desc_hw[num].daddr = dst;  in zx_dma_fill_desc()
416 	ds->desc_hw[num].src_x = len;  in zx_dma_fill_desc()
417 	ds->desc_hw[num].ctr = ccfg;  in zx_dma_fill_desc()
420 static struct zx_dma_desc_sw *zx_alloc_desc_resource(int num,  in zx_alloc_desc_resource()  argument
428 	if (num > lli_limit) {  in zx_alloc_desc_resource()
430 			&c->vc, num, lli_limit);  in zx_alloc_desc_resource()
444 	memset(ds->desc_hw, 0, sizeof(struct zx_desc_hw) * num);  in zx_alloc_desc_resource()
445 	ds->desc_num = num;  in zx_alloc_desc_resource()
516 	int num = 0;  in zx_dma_prep_memcpy()  local
524 	num = DIV_ROUND_UP(len, DMA_MAX_SIZE);  in zx_dma_prep_memcpy()
526 	ds = zx_alloc_desc_resource(num, chan);  in zx_dma_prep_memcpy()
531 	num = 0;  in zx_dma_prep_memcpy()
535 		zx_dma_fill_desc(ds, dst, src, copy, num++, c->ccfg);  in zx_dma_prep_memcpy()
543 	ds->desc_hw[num - 1].lli = 0;	/* end of link */  in zx_dma_prep_memcpy()
544 	ds->desc_hw[num - 1].ctr |= ZX_IRQ_ENABLE_ALL;  in zx_dma_prep_memcpy()
557 	int num = sglen, i;  in zx_dma_prep_slave_sg()  local
568 			num += DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1;  in zx_dma_prep_slave_sg()
571 	ds = zx_alloc_desc_resource(num, chan);  in zx_dma_prep_slave_sg()
576 	num = 0;  in zx_dma_prep_slave_sg()
593 			zx_dma_fill_desc(ds, dst, src, len, num++, c->ccfg);  in zx_dma_prep_slave_sg()
600 	ds->desc_hw[num - 1].lli = 0;	/* end of link */  in zx_dma_prep_slave_sg()
601 	ds->desc_hw[num - 1].ctr |= ZX_IRQ_ENABLE_ALL;  in zx_dma_prep_slave_sg()
615 	int buf = 0, num = 0;  in zx_dma_prep_dma_cyclic()  local
638 		zx_dma_fill_desc(ds, dst, src, period_len, num++,  in zx_dma_prep_dma_cyclic()
644 	ds->desc_hw[num - 1].lli = ds->desc_hw_lli;  in zx_dma_prep_dma_cyclic()