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dma-buf: minor documentation fixes. 

Some minor inline documentation fixes for gaps resulting from new patches.

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
hifive-unleashed-5.1
Sumit Semwal 2012-05-23 15:27:40 +05:30
parent 98f86c9e4a
commit 12c4727e1d
2 changed files with 8 additions and 4 deletions
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9
drivers/base/dma-buf.c
View File

@ -429,7 +429,7 @@ EXPORT_SYMBOL_GPL(dma_buf_kunmap);
/**
* dma_buf_mmap - Setup up a userspace mmap with the given vma
* @dma_buf: [in] buffer that should back the vma
* @dmabuf: [in] buffer that should back the vma
* @vma: [in] vma for the mmap
* @pgoff: [in] offset in pages where this mmap should start within the
* dma-buf buffer.
@ -470,8 +470,9 @@ int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
EXPORT_SYMBOL_GPL(dma_buf_mmap);
/**
* dma_buf_vmap - Create virtual mapping for the buffer object into kernel address space. Same restrictions as for vmap and friends apply.
* @dma_buf: [in] buffer to vmap
* dma_buf_vmap - Create virtual mapping for the buffer object into kernel
* address space. Same restrictions as for vmap and friends apply.
* @dmabuf: [in] buffer to vmap
*
* This call may fail due to lack of virtual mapping address space.
* These calls are optional in drivers. The intended use for them
@ -491,7 +492,7 @@ EXPORT_SYMBOL_GPL(dma_buf_vmap);
/**
* dma_buf_vunmap - Unmap a vmap obtained by dma_buf_vmap.
* @dma_buf: [in] buffer to vmap
* @dmabuf: [in] buffer to vunmap
*/
void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
{

3
include/linux/dma-buf.h
View File

@ -65,6 +65,9 @@ struct dma_buf_attachment;
* mapping needs to be coherent - if the exporter doesn't directly
* support this, it needs to fake coherency by shooting down any ptes
* when transitioning away from the cpu domain.
* @vmap: [optional] creates a virtual mapping for the buffer into kernel
* address space. Same restrictions as for vmap and friends apply.
* @vunmap: [optional] unmaps a vmap from the buffer
*/
struct dma_buf_ops {
int (*attach)(struct dma_buf *, struct device *,