dma-buf: Remove kernel map/unmap hooks

All implementations are gone now.

Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-16-daniel.vetter@ffwll.ch

diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 7feb9c3805ae91236a27d2ef0c94a8865148ffc4..abf5459a5b9d87b38bad27091092db98eac0fba7 100644 (file)
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -249,31 +249,6 @@ struct dma_buf_ops {
         */
        int (*mmap)(struct dma_buf *, struct vm_area_struct *vma);
 
-       /**
-        * @map:
-        *
-        * Maps a page from the buffer into kernel address space. The page is
-        * specified by offset into the buffer in PAGE_SIZE units.
-        *
-        * This callback is optional.
-        *
-        * Returns:
-        *
-        * Virtual address pointer where requested page can be accessed. NULL
-        * on error or when this function is unimplemented by the exporter.
-        */
-       void *(*map)(struct dma_buf *, unsigned long);
-
-       /**
-        * @unmap:
-        *
-        * Unmaps a page from the buffer. Page offset and address pointer should
-        * be the same as the one passed to and returned by matching call to map.
-        *
-        * This callback is optional.
-        */
-       void (*unmap)(struct dma_buf *, unsigned long, void *);
-
        void *(*vmap)(struct dma_buf *);
        void (*vunmap)(struct dma_buf *, void *vaddr);
 };