1 files changed, 2 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index e79ad8afda07..3f37a6e62771 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np,
                 return NULL;
 
         dev->dma_mask = 0xffffffffUL;
+        dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+
         dev->dev.bus = &of_platform_bus_type;
 
         /* We do not fill the DMA ops for platform devices by default.