zx_alloc_desc_resource 523 drivers/dma/zx_dma.c ds = zx_alloc_desc_resource(num, chan); zx_alloc_desc_resource 568 drivers/dma/zx_dma.c ds = zx_alloc_desc_resource(num, chan); zx_alloc_desc_resource 622 drivers/dma/zx_dma.c ds = zx_alloc_desc_resource(num_periods, chan);