video: tegra: nvmap: always initilize carveout's dma_dev

If carveout's dma_dev is not initialized at compile time,
initialize it at runtime with the device present within.

This is needed to simplify the logic for reserved-memory handling.

Remove the redundant device from nvmap_heap.

Bug 200027296

Change-Id: Ib44fbc10f12370c012295f3954c29ee8ef627d3f
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/744431
(cherry picked from commit aacf26f32307c5864ba19ee4106442aaaa8741d3)
Reviewed-on: http://git-master/r/761565
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nvmap.h b/include/linux/nvmap.h
index ef0f7fd7a..0c2d02562 100644
--- a/include/linux/nvmap.h
+++ b/include/linux/nvmap.h
@@ -80,6 +80,7 @@ struct nvmap_platform_carveout {
         struct device *cma_dev;
         bool resize;
         struct device *dma_dev;
+        struct device dev;
         bool is_ivm;
         int peer;
         int vmid;