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swiotlb: clean up EXPORT_SYMBOL usage

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Impact: cleanup

swiotlb uses EXPORT_SYMBOL in an inconsistent way. Some functions use
EXPORT_SYMBOL at the end of functions. Some use it at the end of
swiotlb.c.

This cleans up swiotlb to use EXPORT_SYMBOL in a consistent way (at
the end of functions).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori 2008-12-28 15:02:07 +09:00 committed by Ingo Molnar
parent ac86ccc637
commit 874d6a9555
1 changed files with 14 additions and 14 deletions
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28
lib/swiotlb.c
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@ -593,6 +593,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
*dma_handle = dev_addr;
return ret;
}
EXPORT_SYMBOL(swiotlb_alloc_coherent);
void
swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
@ -605,6 +606,7 @@ swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
/* DMA_TO_DEVICE to avoid memcpy in unmap_single */
unmap_single(hwdev, vaddr, size, DMA_TO_DEVICE);
}
EXPORT_SYMBOL(swiotlb_free_coherent);
static void
swiotlb_full(struct device *dev, size_t size, int dir, int do_panic)
@ -677,6 +679,7 @@ swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, int dir)
{
return swiotlb_map_single_attrs(hwdev, ptr, size, dir, NULL);
}
EXPORT_SYMBOL(swiotlb_map_single);
/*
* Unmap a single streaming mode DMA translation. The dma_addr and size must
@ -706,6 +709,8 @@ swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, size_t size,
{
return swiotlb_unmap_single_attrs(hwdev, dev_addr, size, dir, NULL);
}
EXPORT_SYMBOL(swiotlb_unmap_single);
/*
* Make physical memory consistent for a single streaming mode DMA translation
* after a transfer.
@ -735,6 +740,7 @@ swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
{
swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_CPU);
}
EXPORT_SYMBOL(swiotlb_sync_single_for_cpu);
void
swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
@ -742,6 +748,7 @@ swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
{
swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_DEVICE);
}
EXPORT_SYMBOL(swiotlb_sync_single_for_device);
/*
* Same as above, but for a sub-range of the mapping.
@ -767,6 +774,7 @@ swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir,
SYNC_FOR_CPU);
}
EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_cpu);
void
swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
@ -775,6 +783,7 @@ swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir,
SYNC_FOR_DEVICE);
}
EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_device);
/*
* Map a set of buffers described by scatterlist in streaming mode for DMA.
@ -833,6 +842,7 @@ swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
{
return swiotlb_map_sg_attrs(hwdev, sgl, nelems, dir, NULL);
}
EXPORT_SYMBOL(swiotlb_map_sg);
/*
* Unmap a set of streaming mode DMA translations. Again, cpu read rules
@ -863,6 +873,7 @@ swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
{
return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, NULL);
}
EXPORT_SYMBOL(swiotlb_unmap_sg);
/*
* Make physical memory consistent for a set of streaming mode DMA translations
@ -895,6 +906,7 @@ swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
{
swiotlb_sync_sg(hwdev, sg, nelems, dir, SYNC_FOR_CPU);
}
EXPORT_SYMBOL(swiotlb_sync_sg_for_cpu);
void
swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
@ -902,12 +914,14 @@ swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
{
swiotlb_sync_sg(hwdev, sg, nelems, dir, SYNC_FOR_DEVICE);
}
EXPORT_SYMBOL(swiotlb_sync_sg_for_device);
int
swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr)
{
return (dma_addr == swiotlb_virt_to_bus(hwdev, io_tlb_overflow_buffer));
}
EXPORT_SYMBOL(swiotlb_dma_mapping_error);
/*
* Return whether the given device DMA address mask can be supported
@ -920,18 +934,4 @@ swiotlb_dma_supported(struct device *hwdev, u64 mask)
{
return swiotlb_virt_to_bus(hwdev, io_tlb_end - 1) <= mask;
}
EXPORT_SYMBOL(swiotlb_map_single);
EXPORT_SYMBOL(swiotlb_unmap_single);
EXPORT_SYMBOL(swiotlb_map_sg);
EXPORT_SYMBOL(swiotlb_unmap_sg);
EXPORT_SYMBOL(swiotlb_sync_single_for_cpu);
EXPORT_SYMBOL(swiotlb_sync_single_for_device);
EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_cpu);
EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_device);
EXPORT_SYMBOL(swiotlb_sync_sg_for_cpu);
EXPORT_SYMBOL(swiotlb_sync_sg_for_device);
EXPORT_SYMBOL(swiotlb_dma_mapping_error);
EXPORT_SYMBOL(swiotlb_alloc_coherent);
EXPORT_SYMBOL(swiotlb_free_coherent);
EXPORT_SYMBOL(swiotlb_dma_supported);