A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-14 00:24:41 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge "staging: ion: Allow for attach and detach ops to be overridden"

Browse source
This commit is contained in:
qctecmdr 2020-03-29 21:21:57 -07:00 • committed by Gerrit - the friendly Code Review server
commit 9da0a58535
1 changed files with 8 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/staging/android/ion/ion_dma_buf.c
View file

@ -57,6 +57,10 @@ static int ion_dma_buf_attach(struct dma_buf *dmabuf,
struct ion_dma_buf_attachment *a;
struct sg_table *table;
struct ion_buffer *buffer = dmabuf->priv;
struct ion_heap *heap = buffer->heap;
if (heap->buf_ops.attach)
return heap->buf_ops.attach(dmabuf, attachment);
a = kzalloc(sizeof(*a), GFP_KERNEL);
if (!a)
@ -86,6 +90,10 @@ static void ion_dma_buf_detatch(struct dma_buf *dmabuf,
{
struct ion_dma_buf_attachment *a = attachment->priv;
struct ion_buffer *buffer = dmabuf->priv;
struct ion_heap *heap = buffer->heap;
if (heap->buf_ops.detach)
return heap->buf_ops.detach(dmabuf, attachment);
mutex_lock(&buffer->lock);
list_del(&a->list);