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dma: remove external references to dma_supported

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Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Cc: Alan Stern <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Hellwig 2015-11-09 14:58:18 -08:00 • committed by Linus Torvalds
commit 0e77acef8e
4 changed files with 3 additions and 16 deletions
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13
Documentation/DMA-API.txt
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@ -141,19 +141,6 @@ memory back to the pool before you destroy it.
Part Ic - DMA addressing limitations
------------------------------------
int
dma_supported(struct device *dev, u64 mask)
Checks to see if the device can support DMA to the memory described by
mask.
Returns: 1 if it can and 0 if it can't.
Notes: This routine merely tests to see if the mask is possible. It
won't change the current mask settings. It is more intended as an
internal API for use by the platform than an external API for use by
driver writers.
int
dma_set_mask_and_coherent(struct device *dev, u64 mask)