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-rw-r--r--include/linux/dma-mapping.h5
-rw-r--r--include/linux/swiotlb.h11
2 files changed, 0 insertions, 16 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 07dfd460d28..c0f6c3cd788 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -98,11 +98,6 @@ static inline int is_device_dma_capable(struct device *dev)
return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
}
-static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size)
-{
- return addr + size <= mask;
-}
-
#ifdef CONFIG_HAS_DMA
#include <asm/dma-mapping.h>
#else
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index cb1a6631b8f..73b1f1cec42 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -14,7 +14,6 @@ struct scatterlist;
*/
#define IO_TLB_SEGSIZE 128
-
/*
* log of the size of each IO TLB slab. The number of slabs is command line
* controllable.
@@ -24,16 +23,6 @@ struct scatterlist;
extern void
swiotlb_init(void);
-extern void *swiotlb_alloc_boot(size_t bytes, unsigned long nslabs);
-extern void *swiotlb_alloc(unsigned order, unsigned long nslabs);
-
-extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
- phys_addr_t address);
-extern phys_addr_t swiotlb_bus_to_phys(struct device *hwdev,
- dma_addr_t address);
-
-extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);
-
extern void
*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
dma_addr_t *dma_handle, gfp_t flags);