docs: fix references for DMA*.txt files
As we moved those files to core-api, fix references to point to their newer locations. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/37b2fd159fbc7655dbf33b3eb1215396a25f6344.1592895969.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Jonathan Corbet
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@@ -1071,7 +1071,7 @@ static void check_unmap(struct dma_debug_entry *ref)
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/*
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* Drivers should use dma_mapping_error() to check the returned
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* addresses of dma_map_single() and dma_map_page().
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* If not, print this warning message. See Documentation/DMA-API.txt.
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* If not, print this warning message. See Documentation/core-api/dma-api.rst.
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*/
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if (entry->map_err_type == MAP_ERR_NOT_CHECKED) {
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err_printk(ref->dev, entry,
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