Messages in this thread Patch in this message | | | From | Shuah Khan <> | Subject | [PATCH] Fix dma_mapping_error() parameters in the usage examples | Date | Thu, 17 Oct 2013 12:04:14 -0600 |
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Fix the dma_mapping_error() parameter list in the usage examples to add the missing argument to struct device *.
Signed-off-by: Shuah Khan <shuah.kh@samsung.com> --- Documentation/DMA-API-HOWTO.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt index 14129f1..bb9feac 100644 --- a/Documentation/DMA-API-HOWTO.txt +++ b/Documentation/DMA-API-HOWTO.txt @@ -468,7 +468,7 @@ To map a single region, you do: size_t size = buffer->len; dma_handle = dma_map_single(dev, addr, size, direction); - if (dma_mapping_error(dma_handle)) { + if (dma_mapping_error(dev, dma_handle)) { /* * reduce current DMA mapping usage, * delay and try again later or @@ -525,7 +525,7 @@ Specifically: size_t size = buffer->len; dma_handle = dma_map_page(dev, page, offset, size, direction); - if (dma_mapping_error(dma_handle)) { + if (dma_mapping_error(dev, dma_handle)) { /* * reduce current DMA mapping usage, * delay and try again later or @@ -628,7 +628,7 @@ to use the dma_sync_*() interfaces. dma_addr_t mapping; mapping = dma_map_single(cp->dev, buffer, len, DMA_FROM_DEVICE); - if (dma_mapping_error(dma_handle)) { + if (dma_mapping_error(dev, dma_handle)) { /* * reduce current DMA mapping usage, * delay and try again later or -- 1.8.1.2
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