summaryrefslogtreecommitdiff
path: root/include/linux/dma-mapping.h
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2017-05-22 11:58:49 +0300
committerChristoph Hellwig <hch@lst.de>2017-06-28 16:54:37 +0300
commitf51f288e237cbcfd3dbd1d4fa2d3dec00d7253e2 (patch)
tree952177b59b16ae4b935105c825f7831bb57254ec /include/linux/dma-mapping.h
parent9eef8b8cc26559fe5f2575daf7d08c6a17e81ff8 (diff)
downloadlinux-f51f288e237cbcfd3dbd1d4fa2d3dec00d7253e2.tar.xz
dma-mapping: remove DMA_ERROR_CODE
And update the documentation - dma_mapping_error has been supported everywhere for a long time. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/dma-mapping.h')
-rw-r--r--include/linux/dma-mapping.h5
1 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 4f3eecedca2d..a57875309bfd 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -546,12 +546,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
if (get_dma_ops(dev)->mapping_error)
return get_dma_ops(dev)->mapping_error(dev, dma_addr);
-
-#ifdef DMA_ERROR_CODE
- return dma_addr == DMA_ERROR_CODE;
-#else
return 0;
-#endif
}
#ifndef HAVE_ARCH_DMA_SUPPORTED