+static struct dma_chan *of_dma_pl330_xlate(struct of_phandle_args *dma_spec,
+ struct of_dma *ofdma)
+{
+ int count = dma_spec->args_count;
+ struct dma_pl330_dmac *pdmac = ofdma->of_dma_data;
+ struct dma_pl330_filter_args fargs;
+ dma_cap_mask_t cap;
+
+ if (!pdmac)
+ return NULL;
+
+ if (count != 1)
+ return NULL;
+
+ fargs.pdmac = pdmac;
+ fargs.chan_id = dma_spec->args[0];
+
+ dma_cap_zero(cap);
+ dma_cap_set(DMA_SLAVE, cap);
+ dma_cap_set(DMA_CYCLIC, cap);
+
+ return dma_request_channel(cap, pl330_dt_filter, &fargs);
+}
+