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dma-mapping: split <linux/dma-mapping.h>

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Split out all the bits that are purely for dma_map_ops implementations
and related code into a new <linux/dma-map-ops.h> header so that they
don't get pulled into all the drivers.  That also means the architecture
specific <asm/dma-mapping.h> is not pulled in by <linux/dma-mapping.h>
any more, which leads to a missing includes that were pulled in by the
x86 or arm versions in a few not overly portable drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2020-09-22 15:31:03 +02:00
parent 0de327969b
commit 0a0f0d8be7
64 changed files with 223 additions and 200 deletions
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kernel/dma/ops_helpers.c
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@@ -4,6 +4,7 @@
* the allocated memory contains normal pages in the direct kernel mapping.
*/
#include <linux/dma-contiguous.h>
#include <linux/dma-map-ops.h>
#include <linux/dma-noncoherent.h>
/*