gpu: nvgpu: shutdown nvlink in driver remove

During driver remove, if nvlink is set up, gracefully
shut it down so that it can be enumerated again.

Bug 1987855

Change-Id: Ibd83a5e29364b22264e689aa879569a9cccf0f79
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1746073
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 4fe93e3b..0df111c8 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -1267,6 +1267,7 @@ struct gpu_ops {
                 int (*set_sublink_mode)(struct gk20a *g, u32 link_id,
                         bool is_rx_sublink, u32 mode);
                 int (*interface_init)(struct gk20a *g);
+                int (*interface_disable)(struct gk20a *g);
                 int (*reg_init)(struct gk20a *g);
                 int (*shutdown)(struct gk20a *g);
                 int (*early_init)(struct gk20a *g);