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_clk.c b/drivers/gpu/nvgpu/common/linux/debug_clk.c
index 9dfa2d77..5bbe4127 100644
--- a/drivers/gpu/nvgpu/common/linux/debug_clk.c
+++ b/drivers/gpu/nvgpu/common/linux/debug_clk.c
@@ -217,7 +217,7 @@ static const struct file_operations pll_param_fops = {
 int gm20b_clk_init_debugfs(struct gk20a *g)
 {
         struct dentry *d;
-        struct gk20a_platform *platform = dev_get_drvdata(g->dev);
+        struct gk20a_platform *platform = dev_get_drvdata(dev_from_gk20a(g));
 
         if (!platform->debugfs)
                 return -EINVAL;