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| author | Christian König <christian.koenig@amd.com> | 2018-05-28 12:47:52 +0300 |
|---|---|---|
| committer | Christian König <easy2remember.chk@googlemail.com> | 2018-06-20 16:59:34 +0300 |
| commit | a19741e5e5a9f1f02f8e3c037bde7d73d4bfae9c (patch) | |
| tree | d8bb44f202176642279338f7815a251bb44d6d33 /include/linux/dma-buf.h | |
| parent | 2227a7a219fdd2b925b1e861f36255efd149ff6d (diff) | |
| download | linux-a19741e5e5a9f1f02f8e3c037bde7d73d4bfae9c.tar.xz | |
dma_buf: remove device parameter from attach callback v2
The device parameter is completely unused because it is available in the
attachment structure as well.
v2: fix kerneldoc as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/226643/
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 88917fa796e4..c0ad5bf61188 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -55,11 +55,11 @@ struct dma_buf_ops { * @attach: * * This is called from dma_buf_attach() to make sure that a given - * &device can access the provided &dma_buf. Exporters which support - * buffer objects in special locations like VRAM or device-specific - * carveout areas should check whether the buffer could be move to - * system memory (or directly accessed by the provided device), and - * otherwise need to fail the attach operation. + * &dma_buf_attachment.dev can access the provided &dma_buf. Exporters + * which support buffer objects in special locations like VRAM or + * device-specific carveout areas should check whether the buffer could + * be move to system memory (or directly accessed by the provided + * device), and otherwise need to fail the attach operation. * * The exporter should also in general check whether the current * allocation fullfills the DMA constraints of the new device. If this @@ -77,8 +77,7 @@ struct dma_buf_ops { * to signal that backing storage is already allocated and incompatible * with the requirements of requesting device. */ - int (*attach)(struct dma_buf *, struct device *, - struct dma_buf_attachment *); + int (*attach)(struct dma_buf *, struct dma_buf_attachment *); /** * @detach: |