diff options
| author |   Sushmita Susheelendra <ssusheel@codeaurora.org> | 2017-12-15 13:59:13 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-19 15:53:39 +0100 |
| commit | d6b246bb7a29703f53aa4c050b8b3205d749caee (patch) | |
| tree | 77fe162f20c56d2c389df44dc17f41c9ebd06aae /drivers/staging | |
| parent | staging: ion: Fix ion_cma_heap allocations (diff) | |
| download | linux-dev-d6b246bb7a29703f53aa4c050b8b3205d749caee.tar.xz linux-dev-d6b246bb7a29703f53aa4c050b8b3205d749caee.zip | |
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/android/ion/ion.c | 4 |
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); |