1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 7ba90c290a42..6c59673933e9 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -241,6 +241,10 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
         if (!dev)
                 goto err_clear_flag;
 
+        /* AMBA devices only support a single DMA mask */
+        dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+        dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
+
         /* setup generic device info */
         dev->dev.of_node = of_node_get(node);
         dev->dev.fwnode = &node->fwnode;