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dma-buf: Remove kernel map/unmap hooks

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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
This commit is contained in:
Daniel Vetter 2019-11-18 11:35:36 +01:00
parent 4cefe7a5be
commit 4337ebbbbd
1 changed files with 0 additions and 25 deletions
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25
include/linux/dma-buf.h
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@ -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);
};