Re: [PATCH 15/15] dma-buf: Remove kernel map/unmap hooks

[Daniel Vetter <daniel@ffwll.ch>]

On Mon, Nov 18, 2019 at 11:35:36AM +0100, Daniel Vetter wrote:
> All implementations are gone now.
> 
> 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

Applied the final two patches of this series now too.
-Daniel

> ---
>  include/linux/dma-buf.h | 25 -------------------------
>  1 file changed, 25 deletions(-)
> 
> diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
> index 7feb9c3805ae..abf5459a5b9d 100644
> --- 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);
>  };
> -- 
> 2.24.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch