dma-mapping: simplify dma_init_coherent_memory

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Return the allocated dma_coherent_mem structure, set the
use_dma_pfn_offset and print the failure warning inside of
dma_init_coherent_memory instead of leaving that to the callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dillon Min <dillon.minfei@gmail.com>

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Christoph Hellwig 2021-06-23 16:00:04 +02:00

parent 70d6aa0ecf

commit a6933571f3

1 changed files with 33 additions and 45 deletions

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kernel/dma/coherent.c

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