1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 06c111544f61..b6b106fb36bd 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -43,6 +43,7 @@ u64 dma_direct_get_required_mask(struct device *dev)
 
         return (1ULL << (fls64(max_dma) - 1)) * 2 - 1;
 }
+EXPORT_SYMBOL_GPL(dma_direct_get_required_mask);
 
 static gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask,
                                   u64 *phys_limit)
@@ -313,6 +314,7 @@ out_free_pages:
         dma_free_contiguous(dev, page, size);
         return NULL;
 }
+EXPORT_SYMBOL_GPL(dma_direct_alloc);
 
 void dma_direct_free_pages(struct device *dev, size_t size,
                 struct page *page, dma_addr_t dma_addr,
@@ -331,6 +333,7 @@ void dma_direct_free_pages(struct device *dev, size_t size,
 
         dma_free_contiguous(dev, page, size);
 }
+EXPORT_SYMBOL_GPL(dma_direct_free);
 
 #if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \
     defined(CONFIG_SWIOTLB)