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Subject[PATCH 67/67] swiotlb: remove various exports
Date
All these symbols are only used by arch dma_ops implementations or
xen-swiotlb. None of which can be modular.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
lib/swiotlb.c | 13 -------------
1 file changed, 13 deletions(-)

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 77a40b508db8..823e1055a394 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -591,7 +591,6 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,

return tlb_addr;
}
-EXPORT_SYMBOL_GPL(swiotlb_tbl_map_single);

/*
* Allocates bounce buffer and returns its kernel virtual address.
@@ -661,7 +660,6 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
}
spin_unlock_irqrestore(&io_tlb_lock, flags);
}
-EXPORT_SYMBOL_GPL(swiotlb_tbl_unmap_single);

void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
size_t size, enum dma_data_direction dir,
@@ -693,7 +691,6 @@ void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
BUG();
}
}
-EXPORT_SYMBOL_GPL(swiotlb_tbl_sync_single);

static void *
swiotlb_alloc_buffer(struct device *dev, size_t size, dma_addr_t *dma_handle)
@@ -827,7 +824,6 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,

return __phys_to_dma(dev, io_tlb_overflow_buffer);
}
-EXPORT_SYMBOL_GPL(swiotlb_map_page);

/*
* Unmap a single streaming mode DMA translation. The dma_addr and size must
@@ -868,7 +864,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
{
unmap_single(hwdev, dev_addr, size, dir, attrs);
}
-EXPORT_SYMBOL_GPL(swiotlb_unmap_page);

/*
* Make physical memory consistent for a single streaming mode DMA translation
@@ -906,7 +901,6 @@ 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,
@@ -914,7 +908,6 @@ 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);

/*
* Map a set of buffers described by scatterlist in streaming mode for DMA.
@@ -966,7 +959,6 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
}
return nelems;
}
-EXPORT_SYMBOL(swiotlb_map_sg_attrs);

/*
* Unmap a set of streaming mode DMA translations. Again, cpu read rules
@@ -986,7 +978,6 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir,
attrs);
}
-EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);

/*
* Make physical memory consistent for a set of streaming mode DMA translations
@@ -1014,7 +1005,6 @@ 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,
@@ -1022,14 +1012,12 @@ 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 == __phys_to_dma(hwdev, io_tlb_overflow_buffer));
}
-EXPORT_SYMBOL(swiotlb_dma_mapping_error);

/*
* Return whether the given device DMA address mask can be supported
@@ -1042,7 +1030,6 @@ swiotlb_dma_supported(struct device *hwdev, u64 mask)
{
return __phys_to_dma(hwdev, io_tlb_end - 1) <= mask;
}
-EXPORT_SYMBOL(swiotlb_dma_supported);

#ifdef CONFIG_DMA_DIRECT_OPS
void *swiotlb_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
--
2.14.2
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