gpu: nvgpu: Use accessor for finding struct device

Use dev_from_gk20a() accessor whenever accessing struct device * from
struct gk20a.

JIRA NVGPU-38

Change-Id: Ide9fca3a56436c8f62e7872580a766c4c1e2353e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master/r/1507930
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/debug_kmem.c b/drivers/gpu/nvgpu/common/linux/debug_kmem.c
index 2ee542a8..ff8d49cd 100644
--- a/drivers/gpu/nvgpu/common/linux/debug_kmem.c
+++ b/drivers/gpu/nvgpu/common/linux/debug_kmem.c
@@ -295,7 +295,7 @@ static const struct file_operations __kmem_traces_fops = {
 
 void nvgpu_kmem_debugfs_init(struct gk20a *g)
 {
-        struct gk20a_platform *platform = dev_get_drvdata(g->dev);
+        struct gk20a_platform *platform = dev_get_drvdata(dev_from_gk20a(g));
         struct dentry *node;
 
         g->debugfs_kmem = debugfs_create_dir("kmem_tracking", platform->debugfs);