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, 4 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.c b/drivers/gpu/nvgpu/gk20a/mc_gk20a.c
index 32a6532f..ca7189cc 100644
--- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.c
@@ -13,12 +13,12 @@
  * more details.
  */
 
-#include <linux/delay.h>
 #include <trace/events/gk20a.h>
 
 #include "gk20a.h"
 #include "mc_gk20a.h"
 
+#include <nvgpu/timers.h>
 #include <nvgpu/atomic.h>
 
 #include <nvgpu/hw/gk20a/hw_mc_gk20a.h>
@@ -276,16 +276,16 @@ void gk20a_mc_enable(struct gk20a *g, u32 units)
         gk20a_readl(g, mc_enable_r());
         nvgpu_spinlock_release(&g->mc_enable_lock);
 
-        udelay(20);
+        nvgpu_udelay(20);
 }
 
 void gk20a_mc_reset(struct gk20a *g, u32 units)
 {
         g->ops.mc.disable(g, units);
         if (units & gk20a_fifo_get_all_ce_engine_reset_mask(g))
-                udelay(500);
+                nvgpu_udelay(500);
         else
-                udelay(20);
+                nvgpu_udelay(20);
         g->ops.mc.enable(g, units);
 }