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authorChristoph Hellwig <hch@lst.de>2020-09-11 11:12:44 +0300
committerChristoph Hellwig <hch@lst.de>2020-10-06 08:07:05 +0300
commita1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0 (patch)
tree09097eab9b8b979151b207ef218aa4bb2ea0d975 /include/linux/dma-mapping.h
parent5db5d93089880c3cc9e83ca8bba68a5502e92dfe (diff)
downloadlinux-a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0.tar.xz
dma-mapping: move dma-debug.h to kernel/dma/
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>
Diffstat (limited to 'include/linux/dma-mapping.h')
-rw-r--r--include/linux/dma-mapping.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 9591cd482d7c..3f029afdc9dc 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -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)
{