gpu: nvgpu: Support GPUs with only one interrupt line

Not all GPUs have stalling and non-stalling interrupt. Support
ones with just one interrupt line.

Change-Id: I0f1e8faa5b353b8d1b10691375bd853152379a3a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120470
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index fb149f56..0887ab5e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -663,7 +663,7 @@ struct gk20a {
 
         struct gpu_ops ops;
 
-        int irq_stall;
+        int irq_stall; /* can be same as irq_nonstall in case of PCI */
         int irq_nonstall;
         u32 max_ltc_count;
         u32 ltc_count;