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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>
This commit is contained in:
Li Zhijian 2023-11-01 15:02:01 +08:00 committed by Jonathan Corbet
parent 4746be1d22
commit 407434939b

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@ -8,7 +8,7 @@ Dynamic DMA mapping Guide
This is a guide to device driver writers on how to use the DMA API
with example pseudo-code. For a concise description of the API, see
DMA-API.txt.
Documentation/core-api/dma-api.rst.
CPU and DMA addresses
=====================