[PATCH 29/44] dma-noop: remove dma_supported and mapping_error methods
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- Subject: [PATCH 29/44] dma-noop: remove dma_supported and mapping_error methods
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Thu, 8 Jun 2017 15:25:54 +0200
- Cc: linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20170608132609.32662-1-hch@lst.de>
- References: <20170608132609.32662-1-hch@lst.de>
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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