drm/rockchip: add DRM_RENDER_ALLOW

[firefly-linux-kernel-4.4.55.git] / include / linux / pipe_fs_i.h

diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ab575269211375c3e4d82bb14c5602191ae37484..eb8b8ac6df3c844e2bd84903e0a50ff07f1575fe 100644 (file)
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -35,7 +35,7 @@ struct pipe_buffer {
  *     @tmp_page: cached released page
  *     @readers: number of current readers of this pipe
  *     @writers: number of current writers of this pipe
- *     @files: number of struct file refering this pipe (protected by ->i_lock)
+ *     @files: number of struct file referring this pipe (protected by ->i_lock)
  *     @waiting_writers: number of writers blocked waiting for room
  *     @r_counter: reader counter
  *     @w_counter: writer counter
@@ -82,23 +82,6 @@ struct pipe_buf_operations {
         */
        int can_merge;
 
-       /*
-        * ->map() returns a virtual address mapping of the pipe buffer.
-        * The last integer flag reflects whether this should be an atomic
-        * mapping or not. The atomic map is faster, however you can't take
-        * page faults before calling ->unmap() again. So if you need to eg
-        * access user data through copy_to/from_user(), then you must get
-        * a non-atomic map. ->map() uses the kmap_atomic slot for
-        * atomic maps, you have to be careful if mapping another page as
-        * source or destination for a copy.
-        */
-       void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int);
-
-       /*
-        * Undoes ->map(), finishes the virtual mapping of the pipe buffer.
-        */
-       void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *);
-
        /*
         * ->confirm() verifies that the data in the pipe buffer is there
         * and that the contents are good. If the pages in the pipe belong
@@ -150,8 +133,6 @@ struct pipe_inode_info *alloc_pipe_info(void);
 void free_pipe_info(struct pipe_inode_info *);
 
 /* Generic pipe buffer ops functions */
-void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int);
-void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *);
 void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
 int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
 int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);