dmaengine: xilinx: xdma: Fix wrong offsets in the buffers addresses in dma descriptor

The addition of interleaved transfers slightly changed the way
addresses inside DMA descriptors are derived, breaking cyclic
transfers.

Fixes: 3e184e6 ("dmaengine: xilinx: xdma: Prepare the introduction of interleaved DMA transfers")
Cc: [email protected]
Signed-off-by: Miquel Raynal <[email protected]>
Signed-off-by: Louis Chauvet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: miquelraynal

drivers/dma/xilinx/xdma.c

@@ -704,7 +704,7 @@ xdma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t address,
 	desc_num = 0;
 	for (i = 0; i < periods; i++) {
 		desc_num += xdma_fill_descs(sw_desc, *src, *dst, period_size, desc_num);
-		addr += i * period_size;
+		addr += period_size;
 	}
 
 	tx_desc = vchan_tx_prep(&xdma_chan->vchan, &sw_desc->vdesc, flags);