dma-buf: Remove kernel map/unmap hooks (4337ebbb) · Commits · 戴 / test

All implementations are gone now. Acked-by:

include/linux/dma-buf.h

+0 −25

Original line number	Diff line number	Diff line
		@@ -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);
		};