gpu: nvgpu: fix compile error in non-debugfs case

struct gk20a* g is undefined before used by trace_gk10a_pm_unrailgate()
if CONFIG_DEBUG_FS is not defined.

bug 200289063

Change-Id: Ifd613c8bae3ee05023b72347fbc64c8a9883dcbf
Signed-off-by: Harry Lin <harlin@nvidia.com>
Reviewed-on: http://git-master/r/1460205
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 05e3c3f4..d7446484 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -701,9 +701,9 @@ static int gk20a_pm_unrailgate(struct device *dev)
 {
         struct gk20a_platform *platform = dev_get_drvdata(dev);
         int ret = 0;
-#ifdef CONFIG_DEBUG_FS
         struct gk20a *g = get_gk20a(dev);
 
+#ifdef CONFIG_DEBUG_FS
         g->pstats.last_rail_ungate_start = jiffies;
         if (g->pstats.railgating_cycle_count >= 1)
                 g->pstats.total_rail_gate_time_ms =