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dma-buf: Use recommended structure member reference 

I just learned that &struct_name.member_name works and looks pretty
even. It doesn't (yet) link to the member directly though, which would
be really good for big structures or vfunc tables (where the
per-member kerneldoc tends to be long).

Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1483044517-5770-5-git-send-email-daniel.vetter@ffwll.ch
hifive-unleashed-5.1
Daniel Vetter 2016-12-29 21:48:25 +01:00
parent f641d3b536
commit e9b4d7b56f
2 changed files with 5 additions and 6 deletions
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5
drivers/dma-buf/dma-buf.c
View File

@ -516,9 +516,8 @@ EXPORT_SYMBOL_GPL(dma_buf_get);
* Uses file's refcounting done implicitly by fput().
*
* If, as a result of this call, the refcount becomes 0, the 'release' file
* operation related to this fd is called. It calls the release operation of
* &struct dma_buf_ops in turn, and frees the memory allocated for dmabuf when
* exported.
* operation related to this fd is called. It calls &dma_buf_ops.release vfunc
* in turn, and frees the memory allocated for dmabuf when exported.
*/
void dma_buf_put(struct dma_buf *dmabuf)
{

6
include/linux/dma-buf.h
View File

@ -66,8 +66,8 @@ struct dma_buf_ops {
* is not the case, and the allocation cannot be moved, it should also
* fail the attach operation.
*
* Any exporter-private housekeeping data can be stored in the priv
* pointer of &dma_buf_attachment structure.
* Any exporter-private housekeeping data can be stored in the
* &dma_buf_attachment.priv pointer.
*
* This callback is optional.
*
@ -106,7 +106,7 @@ struct dma_buf_ops {
*
* Note that any specific buffer attributes required for this function
* should get added to device_dma_parameters accessible via
* device->dma_params from the &dma_buf_attachment. The @attach callback
* &device.dma_params from the &dma_buf_attachment. The @attach callback
* should also check these constraints.
*
* If this is being called for the first time, the exporter can now