aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLiviu Dudau <Liviu.Dudau@arm.com>2014-06-30 18:31:14 +0100
committerAndrey Konovalov <andrey.konovalov@linaro.org>2015-09-09 21:53:34 +0300
commit744dadd16aaa425b06cbb33747a07287c6eb2535 (patch)
treec063dcbe2ffe252f87c367bb9054b8d57a685462
parentd49c75f0d6dbd479f222e00076b458d6a04113d0 (diff)
staging: android: ion: Set the length of the DMA sg entries in buffer.
ion_buffer_create() will allocate a buffer and then create a DMA mapping for it, but it forgot to set the length of the page entries. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Jon Medhurst <tixy@linaro.org>
-rw-r--r--drivers/staging/android/ion/ion.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 6f4811263557..1d3352af948c 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -252,8 +252,10 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
allocation via dma_map_sg. The implicit contract here is that
memory coming from the heaps is ready for dma, ie if it has a
cached mapping that mapping has been invalidated */
- for_each_sg(buffer->sg_table->sgl, sg, buffer->sg_table->nents, i)
+ for_each_sg(buffer->sg_table->sgl, sg, buffer->sg_table->nents, i) {
sg_dma_address(sg) = sg_phys(sg);
+ sg_dma_len(sg) = sg->length;
+ }
mutex_lock(&dev->buffer_lock);
ion_buffer_add(dev, buffer);
mutex_unlock(&dev->buffer_lock);