commit 33ea2dcb39ba50b0b69d1b1dc24702f084b46411
author Sumit Semwal <sumit.semwal@ti.com> Fri Jan 27 15:09:27 2012 +0530
committer Sumit Semwal <sumit.semwal@ti.com> Mon Mar 26 11:31:58 2012 +0530
tree ec1e1b0c223e09861341f82d2aa0b13ec841be95
parent 2ed9201bdd9a8e462d768a838fb2bc944c6887a4

dma-buf: add dma_data_direction to unmap dma_buf_op

Some exporters may use DMA map/unmap APIs in dma-buf ops, which require
enum dma_data_direction for both map and unmap operations.

Thus, the unmap dma_buf_op also needs to have enum dma_data_direction as
a parameter.

Reported-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>

drivers/base/dma-buf.c

diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c
index 8afe2dd..c9a945f 100644
--- a/drivers/base/dma-buf.c
+++ b/drivers/base/dma-buf.c
@@ -271,16 +271,19 @@
  * dma_buf_ops.
  * @attach:	[in]	attachment to unmap buffer from
  * @sg_table:	[in]	scatterlist info of the buffer to unmap
+ * @direction:  [in]    direction of DMA transfer
  *
  */
 void dma_buf_unmap_attachment(struct dma_buf_attachment *attach,
-				struct sg_table *sg_table)
+				struct sg_table *sg_table,
+				enum dma_data_direction direction)
 {
 	if (WARN_ON(!attach || !attach->dmabuf || !sg_table))
 		return;
 
 	mutex_lock(&attach->dmabuf->lock);
-	attach->dmabuf->ops->unmap_dma_buf(attach, sg_table);
+	attach->dmabuf->ops->unmap_dma_buf(attach, sg_table,
+						direction);
 	mutex_unlock(&attach->dmabuf->lock);
 
 }