gpu: nvgpu: fix compile when CONFIG_PM=n

nvgpu driver fails to compile when CONFIG_PM build option is set to 'n'.
Fix this by guarding struct gk20a_pm_ops and the functions pointed by
in that struct with #ifdefs.

Bug 1827482

Change-Id: I27f3535e89cc741f79824cdc427ef3572e2779e6
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-on: http://git-master/r/1237110
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 55ebf2da..70eb0a7e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -1369,6 +1369,7 @@ static void gk20a_pm_shutdown(struct platform_device *pdev)
         dev_info(&pdev->dev, "shut down complete\n");
 }
 
+#ifdef CONFIG_PM
 static int gk20a_pm_runtime_resume(struct device *dev)
 {
         int err = 0;
@@ -1419,12 +1420,10 @@ static int gk20a_pm_suspend(struct device *dev)
         if (platform->user_railgate_disabled)
                 gk20a_idle_nosuspend(dev);
 
-#ifdef CONFIG_PM
         if (atomic_read(&dev->power.usage_count) > 1) {
                 ret = -EBUSY;
                 goto fail;
         }
-#endif
 
         if (!g->power_on)
                 return 0;
@@ -1466,7 +1465,6 @@ static int gk20a_pm_resume(struct device *dev)
         return ret;
 }
 
-#ifdef CONFIG_PM
 static const struct dev_pm_ops gk20a_pm_ops = {
         .runtime_resume = gk20a_pm_runtime_resume,
         .runtime_suspend = gk20a_pm_runtime_suspend,