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-rw-r--r--drivers/of/platform.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index f6dcde22082..fce088e6f54 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -215,6 +215,8 @@ static struct platform_device *of_platform_device_create_pdata(
dev->archdata.dma_mask = 0xffffffffUL;
#endif
dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+ if (!dev->dev.dma_mask)
+ dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
dev->dev.bus = &platform_bus_type;
dev->dev.platform_data = platform_data;