1 files changed, 3 insertions, 1 deletions

diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 4ed149cbb32a..22cb14ec3438 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -69,7 +69,9 @@ extern void dma_cache_maint(const void *kaddr, size_t size, int rw);
  */
 static inline int dma_supported(struct device *dev, u64 mask)
 {
-        return dev->dma_mask && *dev->dma_mask != 0;
+        if (mask < ISA_DMA_THRESHOLD)
+                return 0;
+        return 1;
 }
 
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)