40 #define MTK_DMA_SIZE			64  macro
326 	pc->sz_ring = 2 * MTK_DMA_SIZE * sizeof(*ring->txd);  in mtk_hsdma_alloc_pchan()
332 	ring->rxd = &ring->txd[MTK_DMA_SIZE];  in mtk_hsdma_alloc_pchan()
333 	ring->rphys = ring->tphys + MTK_DMA_SIZE * sizeof(*ring->txd);  in mtk_hsdma_alloc_pchan()
335 	ring->cur_rptr = MTK_DMA_SIZE - 1;  in mtk_hsdma_alloc_pchan()
337 	ring->cb = kcalloc(MTK_DMA_SIZE, sizeof(*ring->cb), GFP_NOWAIT);  in mtk_hsdma_alloc_pchan()
343 	atomic_set(&pc->nr_free, MTK_DMA_SIZE - 1);  in mtk_hsdma_alloc_pchan()
359 	mtk_dma_write(hsdma, MTK_HSDMA_TX_CNT, MTK_DMA_SIZE);  in mtk_hsdma_alloc_pchan()
363 	mtk_dma_write(hsdma, MTK_HSDMA_RX_CNT, MTK_DMA_SIZE);  in mtk_hsdma_alloc_pchan()
403 	mtk_dma_write(hsdma, MTK_HSDMA_RX_CPU, MTK_DMA_SIZE - 1);  in mtk_hsdma_free_pchan()
463 							 MTK_DMA_SIZE);  in mtk_hsdma_issue_pending_vdesc()
476 		prev = MTK_HSDMA_LAST_DESP_IDX(ring->cur_tptr, MTK_DMA_SIZE);  in mtk_hsdma_issue_pending_vdesc()
539 	int i = MTK_DMA_SIZE;  in mtk_hsdma_free_rooms_in_ring()
560 					       MTK_DMA_SIZE);  in mtk_hsdma_free_rooms_in_ring()
628 	if (atomic_read(&pc->nr_free) >= MTK_DMA_SIZE - 1)  in mtk_hsdma_free_rooms_in_ring()