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-rw-r--r--include/linux/dmaengine.h23
1 files changed, 0 insertions, 23 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index db0104b0da4d..f5cc5d4f1ad5 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1108,27 +1108,4 @@ static inline struct dma_chan
return __dma_request_channel(mask, fn, fn_param);
}
-
-/* --- Helper iov-locking functions --- */
-
-struct dma_page_list {
- char __user *base_address;
- int nr_pages;
- struct page **pages;
-};
-
-struct dma_pinned_list {
- int nr_iovecs;
- struct dma_page_list page_list[0];
-};
-
-struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len);
-void dma_unpin_iovec_pages(struct dma_pinned_list* pinned_list);
-
-dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
- struct dma_pinned_list *pinned_list, unsigned char *kdata, size_t len);
-dma_cookie_t dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov,
- struct dma_pinned_list *pinned_list, struct page *page,
- unsigned int offset, size_t len);
-
#endif /* DMAENGINE_H */