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, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index ab9dd037..3d887d85 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -1478,6 +1478,9 @@ static int __exit gk20a_remove(struct platform_device *dev)
         else
                 gk20a_pm_disable_clk(&dev->dev);
 
+        if (platform->remove)
+                platform->remove(dev);
+
         set_gk20a(dev, NULL);
         kfree(g);