Re: [PATCH 04/15] staging/android/ion: delete dma_buf->kmap/unmap implemenation

[Laura Abbott <labbott@redhat.com>]

On 11/18/19 5:35 AM, Daniel Vetter wrote:
> There's no callers in-tree anymore.
> 
> For merging probably best to stuff this into drm-misc, since that's
> where the dma-buf heaps will land too. And the resulting conflict
> hopefully ensures that dma-buf heaps wont have a new ->kmap/unmap
> implemenation.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Laura Abbott <labbott@redhat.com>
> Cc: Sumit Semwal <sumit.semwal@linaro.org>
> Cc: devel@driverdev.osuosl.org
> Cc: linaro-mm-sig@lists.linaro.org
> ---
>   drivers/staging/android/ion/ion.c | 14 --------------
>   1 file changed, 14 deletions(-)
> 
> diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
> index e6b1ca141b93..bb4ededc1150 100644
> --- a/drivers/staging/android/ion/ion.c
> +++ b/drivers/staging/android/ion/ion.c
> @@ -274,18 +274,6 @@ static void ion_dma_buf_release(struct dma_buf *dmabuf)
>   	_ion_buffer_destroy(buffer);
>   }
>   
> -static void *ion_dma_buf_kmap(struct dma_buf *dmabuf, unsigned long offset)
> -{
> -	struct ion_buffer *buffer = dmabuf->priv;
> -
> -	return buffer->vaddr + offset * PAGE_SIZE;
> -}
> -
> -static void ion_dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long offset,
> -			       void *ptr)
> -{
> -}
> -
>   static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
>   					enum dma_data_direction direction)
>   {
> @@ -349,8 +337,6 @@ static const struct dma_buf_ops dma_buf_ops = {
>   	.detach = ion_dma_buf_detatch,
>   	.begin_cpu_access = ion_dma_buf_begin_cpu_access,
>   	.end_cpu_access = ion_dma_buf_end_cpu_access,
> -	.map = ion_dma_buf_kmap,
> -	.unmap = ion_dma_buf_kunmap,
>   };
>   
>   static int ion_alloc(size_t len, unsigned int heap_id_mask, unsigned int flags)
> 

Acked-by: Laura Abbott <labbott@redhat.com>

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