[Xen-devel] [PATCH 29/44] dma-noop: remove dma_supported and mapping_error methods

[Christoph Hellwig <hch@xxxxxx>]

These just duplicate the default behavior if no method is provided.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 lib/dma-noop.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/lib/dma-noop.c b/lib/dma-noop.c
index de26c8b68f34..643a074f139d 100644
--- a/lib/dma-noop.c
+++ b/lib/dma-noop.c
@@ -54,23 +54,11 @@ static int dma_noop_map_sg(struct device *dev, struct 
scatterlist *sgl, int nent
        return nents;
 }
 
-static int dma_noop_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-       return 0;
-}
-
-static int dma_noop_supported(struct device *dev, u64 mask)
-{
-       return 1;
-}
-
 const struct dma_map_ops dma_noop_ops = {
        .alloc                  = dma_noop_alloc,
        .free                   = dma_noop_free,
        .map_page               = dma_noop_map_page,
        .map_sg                 = dma_noop_map_sg,
-       .mapping_error          = dma_noop_mapping_error,
-       .dma_supported          = dma_noop_supported,
 };
 
 EXPORT_SYMBOL(dma_noop_ops);
-- 
2.11.0


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