Commit 12c4727e authored by Sumit Semwal's avatar Sumit Semwal

dma-buf: minor documentation fixes.

Some minor inline documentation fixes for gaps resulting from new patches.
Signed-off-by: default avatarSumit Semwal <sumit.semwal@ti.com>
Signed-off-by: default avatarSumit Semwal <sumit.semwal@linaro.org>
parent 98f86c9e
...@@ -429,7 +429,7 @@ EXPORT_SYMBOL_GPL(dma_buf_kunmap); ...@@ -429,7 +429,7 @@ EXPORT_SYMBOL_GPL(dma_buf_kunmap);
/** /**
* dma_buf_mmap - Setup up a userspace mmap with the given vma * 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 * @vma: [in] vma for the mmap
* @pgoff: [in] offset in pages where this mmap should start within the * @pgoff: [in] offset in pages where this mmap should start within the
* dma-buf buffer. * dma-buf buffer.
...@@ -470,8 +470,9 @@ int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma, ...@@ -470,8 +470,9 @@ int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
EXPORT_SYMBOL_GPL(dma_buf_mmap); 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_vmap - Create virtual mapping for the buffer object into kernel
* @dma_buf: [in] buffer to vmap * 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. * This call may fail due to lack of virtual mapping address space.
* These calls are optional in drivers. The intended use for them * These calls are optional in drivers. The intended use for them
...@@ -491,7 +492,7 @@ EXPORT_SYMBOL_GPL(dma_buf_vmap); ...@@ -491,7 +492,7 @@ EXPORT_SYMBOL_GPL(dma_buf_vmap);
/** /**
* dma_buf_vunmap - Unmap a vmap obtained by 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) void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
{ {
......
...@@ -65,6 +65,9 @@ struct dma_buf_attachment; ...@@ -65,6 +65,9 @@ struct dma_buf_attachment;
* mapping needs to be coherent - if the exporter doesn't directly * mapping needs to be coherent - if the exporter doesn't directly
* support this, it needs to fake coherency by shooting down any ptes * support this, it needs to fake coherency by shooting down any ptes
* when transitioning away from the cpu domain. * 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 { struct dma_buf_ops {
int (*attach)(struct dma_buf *, struct device *, int (*attach)(struct dma_buf *, struct device *,
......
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