gpu: nvgpu: gk20a: Use new delay APIs

Use platform agnostic delay functions instead of Linux kernel APIs.
This allows removing dependency to Linux header linux/delay.h. At the
same time remove #include lines for other unused Linux headers.

JIRA NVGPU-16

Change-Id: I46b9ccb80e0b67efb86ec85676e5a55ff835c0ec
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1460113
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 8510c543..3cfb9914 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -16,8 +16,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/list.h>
-#include <linux/delay.h>
 #include <linux/kthread.h>
 #include <trace/events/gk20a.h>
 #include <linux/dma-buf.h>
@@ -301,7 +299,7 @@ int gk20a_wait_channel_idle(struct channel_gk20a *ch)
                 if (channel_idle)
                         break;
 
-                usleep_range(1000, 3000);
+                nvgpu_usleep_range(1000, 3000);
         } while (!nvgpu_timeout_expired(&timeout));
 
         if (!channel_idle) {