1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 3879f80a4815..6970355abdc9 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -891,6 +891,10 @@ static int edma_slave_config(struct dma_chan *chan,
             cfg->dst_addr_width == DMA_SLAVE_BUSWIDTH_8_BYTES)
                 return -EINVAL;
 
+        if (cfg->src_maxburst > chan->device->max_burst ||
+            cfg->dst_maxburst > chan->device->max_burst)
+                return -EINVAL;
+
         memcpy(&echan->cfg, cfg, sizeof(echan->cfg));
 
         return 0;
@@ -1855,6 +1859,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
         s_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS;
         s_ddev->directions |= (BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV));
         s_ddev->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
+        s_ddev->max_burst = SZ_32K - 1; /* CIDX: 16bit signed */
 
         s_ddev->dev = ecc->dev;
         INIT_LIST_HEAD(&s_ddev->channels);