[PATCH 4/4] swiotlb: unexport is_swiotlb_active

[Christoph Hellwig <hch@xxxxxx>]

Drivers have no business looking at dma-mapping or swiotlb internals.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 kernel/dma/swiotlb.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index af2e304c672c43..9f1fd28264a067 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -921,7 +921,6 @@ bool is_swiotlb_active(struct device *dev)
 
        return mem && mem->nslabs;
 }
-EXPORT_SYMBOL_GPL(is_swiotlb_active);
 
 #ifdef CONFIG_DEBUG_FS
 
-- 
2.39.2