swiotlb: remove various exports
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> Acked-by: Christian König <christian.koenig@amd.com>
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@ -605,7 +605,6 @@ found:
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return tlb_addr;
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}
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EXPORT_SYMBOL_GPL(swiotlb_tbl_map_single);
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/*
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* Allocates bounce buffer and returns its kernel virtual address.
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@ -675,7 +674,6 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
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}
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spin_unlock_irqrestore(&io_tlb_lock, flags);
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}
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EXPORT_SYMBOL_GPL(swiotlb_tbl_unmap_single);
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void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
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size_t size, enum dma_data_direction dir,
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@ -707,7 +705,6 @@ void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
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BUG();
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}
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}
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EXPORT_SYMBOL_GPL(swiotlb_tbl_sync_single);
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static inline bool dma_coherent_ok(struct device *dev, dma_addr_t addr,
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size_t size)
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@ -884,7 +881,6 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
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return swiotlb_phys_to_dma(dev, io_tlb_overflow_buffer);
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}
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EXPORT_SYMBOL_GPL(swiotlb_map_page);
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/*
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* Unmap a single streaming mode DMA translation. The dma_addr and size must
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@ -925,7 +921,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
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{
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unmap_single(hwdev, dev_addr, size, dir, attrs);
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}
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EXPORT_SYMBOL_GPL(swiotlb_unmap_page);
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/*
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* Make physical memory consistent for a single streaming mode DMA translation
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@ -963,7 +958,6 @@ swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
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{
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swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_CPU);
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}
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EXPORT_SYMBOL(swiotlb_sync_single_for_cpu);
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void
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swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
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@ -971,7 +965,6 @@ swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
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{
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swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_DEVICE);
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}
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EXPORT_SYMBOL(swiotlb_sync_single_for_device);
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/*
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* Map a set of buffers described by scatterlist in streaming mode for DMA.
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@ -1023,7 +1016,6 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
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}
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return nelems;
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}
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EXPORT_SYMBOL(swiotlb_map_sg_attrs);
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/*
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* Unmap a set of streaming mode DMA translations. Again, cpu read rules
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@ -1043,7 +1035,6 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
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unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir,
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attrs);
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}
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EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);
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/*
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* Make physical memory consistent for a set of streaming mode DMA translations
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@ -1071,7 +1062,6 @@ swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
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{
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swiotlb_sync_sg(hwdev, sg, nelems, dir, SYNC_FOR_CPU);
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}
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EXPORT_SYMBOL(swiotlb_sync_sg_for_cpu);
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void
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swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
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@ -1079,14 +1069,12 @@ swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
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{
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swiotlb_sync_sg(hwdev, sg, nelems, dir, SYNC_FOR_DEVICE);
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}
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EXPORT_SYMBOL(swiotlb_sync_sg_for_device);
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int
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swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr)
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{
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return (dma_addr == swiotlb_phys_to_dma(hwdev, io_tlb_overflow_buffer));
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}
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EXPORT_SYMBOL(swiotlb_dma_mapping_error);
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/*
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* Return whether the given device DMA address mask can be supported
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@ -1099,7 +1087,6 @@ swiotlb_dma_supported(struct device *hwdev, u64 mask)
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{
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return swiotlb_phys_to_dma(hwdev, io_tlb_end - 1) <= mask;
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}
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EXPORT_SYMBOL(swiotlb_dma_supported);
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#ifdef CONFIG_DMA_DIRECT_OPS
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void *swiotlb_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
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