staging: android: ion: Fix dma direction for dma_sync_sg_for_cpu/device

Use the direction argument passed into begin_cpu_access
and end_cpu_access when calling the dma_sync_sg_for_cpu/device.
The actual cache primitive called depends on the direction
passed in.

Signed-off-by: Sushmita Susheelendra <ssusheel@codeaurora.org>
Cc: stable <stable@vger.kernel.org>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index a7d9b0e98572..f480885e346b 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -346,7 +346,7 @@ static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
         mutex_lock(&buffer->lock);
         list_for_each_entry(a, &buffer->attachments, list) {
                 dma_sync_sg_for_cpu(a->dev, a->table->sgl, a->table->nents,
-                                    DMA_BIDIRECTIONAL);
+                                    direction);
         }
         mutex_unlock(&buffer->lock);
 
@@ -368,7 +368,7 @@ static int ion_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
         mutex_lock(&buffer->lock);
         list_for_each_entry(a, &buffer->attachments, list) {
                 dma_sync_sg_for_device(a->dev, a->table->sgl, a->table->nents,
-                                       DMA_BIDIRECTIONAL);
+                                       direction);
         }
         mutex_unlock(&buffer->lock);