gpu: nvgpu: remove platform device on exit

Add ->remove() for undoing the ->probe() and ->late_probe() in
gk20a_platform devices, and call it when gk20a is removed.

Bug 1476801

Change-Id: Ic9b29c0a7ea4a4cae7b5a0f66774bd799eb28434
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/594443
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
index 7638cf15..f4301dab 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
@@ -103,6 +103,10 @@ struct gk20a_platform {
          */
         int (*late_probe)(struct platform_device *dev);
 
+        /* Remove device after power management has been done
+         */
+        int (*remove)(struct platform_device *dev);
+
         /* Poweron platform dependencies */
         int (*busy)(struct platform_device *dev);