gpu: nvgpu: gm20b: 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: I05df9d72edaf4bb061febe0cb40fc8a7cf9f51c7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1460114
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/gm20b/bus_gm20b.c b/drivers/gpu/nvgpu/gm20b/bus_gm20b.c
index 08761ef7..7b414196 100644
--- a/drivers/gpu/nvgpu/gm20b/bus_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/bus_gm20b.c
@@ -13,8 +13,6 @@
  * more details.
  */
 
-#include <linux/delay.h>
-
 #include <nvgpu/timers.h>
 
 #include "bus_gm20b.h"
@@ -46,7 +44,7 @@ static int gm20b_bus_bar1_bind(struct gk20a *g, struct nvgpu_mem *bar1_inst)
                 if (!pending && !outstanding)
                         break;
 
-                udelay(5);
+                nvgpu_udelay(5);
         } while (!nvgpu_timeout_expired(&timeout));
 
         if (nvgpu_timeout_peek_expired(&timeout))