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dma-mapping: move dma-debug.h to kernel/dma/

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Most of dma-debug.h is not required by anything outside of kernel/dma.
Move the four declarations needed by dma-mappin.h or dma-ops providers
into dma-mapping.h and dma-map-ops.h, and move the remainder of the
file to kernel/dma/debug.h.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2020-09-11 10:12:44 +02:00
parent 5db5d93089
commit a1fd09e8e6
13 changed files with 34 additions and 52 deletions
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16
include/linux/dma-mapping.h
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@@ -6,7 +6,6 @@
#include <linux/string.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/dma-debug.h>
#include <linux/dma-direction.h>
#include <linux/scatterlist.h>
#include <linux/bug.h>
@@ -76,6 +75,21 @@
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
#ifdef CONFIG_DMA_API_DEBUG
void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
void debug_dma_map_single(struct device *dev, const void *addr,
unsigned long len);
#else
static inline void debug_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
}
static inline void debug_dma_map_single(struct device *dev, const void *addr,
unsigned long len)
{
}
#endif /* CONFIG_DMA_API_DEBUG */
#ifdef CONFIG_HAS_DMA
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{