diff options
Diffstat (limited to 'drivers/gpu/ion/ion_priv.h')
| -rw-r--r-- | drivers/gpu/ion/ion_priv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/ion/ion_priv.h b/drivers/gpu/ion/ion_priv.h index 1155994fc8e..32461e94673 100644 --- a/drivers/gpu/ion/ion_priv.h +++ b/drivers/gpu/ion/ion_priv.h @@ -93,6 +93,9 @@ void ion_buffer_destroy(struct ion_buffer *buffer); * @map_kernel map memory to the kernel * @unmap_kernel unmap memory to the kernel * @map_user map memory to userspace + * + * allocate, phys, and map_user return 0 on success, -errno on error. + * map_dma and map_kernel return pointer on success, ERR_PTR on error. */ struct ion_heap_ops { int (*allocate) (struct ion_heap *heap, |