dma_dev = &hdma_dev->dma_dev;
dma_cap_set(DMA_MEMCPY, dma_dev->cap_mask);
dma_dev->device_free_chan_resources = hisi_dma_free_chan_resources;
dma_dev = &hdma_dev->dma_dev;
dma_cap_set(DMA_MEMCPY, dma_dev->cap_mask);
dma_dev->device_free_chan_resources = hisi_dma_free_chan_resources;