docs: dma: update a reference to a moved document
Documentation/DMA-API.txt has moved to Documentation/core-api/dma-api.rst Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Message-ID: <20231101070201.4066998-1-lizhijian@fujitsu.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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@ -8,7 +8,7 @@ Dynamic DMA mapping Guide
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This is a guide to device driver writers on how to use the DMA API
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with example pseudo-code. For a concise description of the API, see
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DMA-API.txt.
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Documentation/core-api/dma-api.rst.
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CPU and DMA addresses
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=====================
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