gpu: nvgpu: Replace use of bitops.h and kernel.h

Remove use of linux/kernel.h and linux/compiler.h. We don't use
anything in those headers.

Also replace use of linux/bitops.h with new wrapper nvgpu/bitops.h.

JIRA NVGPU-13

Change-Id: Iefa6b4598d5a5e7fc386c0a7a554e778a87010d6
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1460777
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>

drivers/gpu/nvgpu/clk/clk_arb.c

@@ -15,14 +15,13 @@
 #include <linux/cdev.h>
 #include <linux/file.h>
 #include <linux/anon_inodes.h>
-#include <linux/nvgpu.h>
-#include <linux/bitops.h>
 #include <linux/rculist.h>
 #include <linux/llist.h>
 #include <linux/uaccess.h>
 #include <linux/poll.h>
 #include <linux/atomic.h>
 
+#include <nvgpu/bitops.h>
 #include <nvgpu/lock.h>
 #include <nvgpu/kmem.h>
 

drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c

@@ -18,9 +18,9 @@
 #include <linux/cdev.h>
 #include <linux/file.h>
 #include <linux/anon_inodes.h>
-#include <linux/bitops.h>
 #include <uapi/linux/nvgpu.h>
 
+#include <nvgpu/bitops.h>
 #include <nvgpu/kmem.h>
 
 #include "ioctl_ctrl.h"

drivers/gpu/nvgpu/common/linux/kmem.c

@@ -14,7 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
 #include <linux/atomic.h>

drivers/gpu/nvgpu/common/mm/bitmap_allocator.c

@@ -14,9 +14,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
+#include <nvgpu/bitops.h>
-#include <linux/bitops.h>
-
 #include <nvgpu/allocator.h>
 #include <nvgpu/kmem.h>
 

drivers/gpu/nvgpu/common/mm/buddy_allocator.c

@@ -14,8 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
-
 #include <nvgpu/allocator.h>
 #include <nvgpu/kmem.h>
 

drivers/gpu/nvgpu/common/mm/lockless_allocator.c

@@ -14,7 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
 #include <linux/atomic.h>
 
 #include <nvgpu/allocator.h>

drivers/gpu/nvgpu/common/mm/nvgpu_allocator.c

@@ -16,8 +16,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
-
 #include <nvgpu/allocator.h>
 
 #include "gk20a/gk20a.h"

drivers/gpu/nvgpu/common/mm/page_allocator.c

@@ -14,10 +14,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
-#include <linux/bitops.h>
 #include <linux/mm.h>
 
+#include <nvgpu/bitops.h>
 #include <nvgpu/allocator.h>
 #include <nvgpu/page_allocator.h>
 #include <nvgpu/kmem.h>

drivers/gpu/nvgpu/gk20a/bus_gk20a.h

@@ -16,6 +16,8 @@
 #ifndef BUS_GK20A_H
 #define BUS_GK20A_H
 
+#include <nvgpu/types.h>
+
 struct gk20a;
 struct gpu_ops;
 struct nvgpu_mem;

drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c

@@ -16,10 +16,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/bitops.h>
 #include <linux/dma-mapping.h>
 #include <linux/dma-buf.h>
 
+#include <nvgpu/bitops.h>
 #include <nvgpu/kmem.h>
 #include <nvgpu/lock.h>
 #include <nvgpu/dma.h>

drivers/gpu/nvgpu/gk20a/gk20a_sysfs.c

@@ -21,7 +21,6 @@
 #include <linux/version.h>
 #include <linux/device.h>
 #include <linux/pm_runtime.h>
-#include <linux/kernel.h>
 #include <linux/fb.h>
 #include <linux/gk20a.h>
 #include <linux/clk/tegra.h>

drivers/gpu/nvgpu/gk20a/hal.h

@@ -16,8 +16,6 @@
 #ifndef __HAL_GPU__
 #define __HAL_GPU__
 
-#include <linux/kernel.h>
-
 struct gk20a;
 
 int gpu_init_hal(struct gk20a *g);

drivers/gpu/nvgpu/gk20a/hal_gk20a.h

@@ -18,8 +18,6 @@
 #ifndef __HAL_GK20A__
 #define __HAL_GK20A__
 
-#include <linux/kernel.h>
-
 struct gk20a;
 
 int gk20a_init_hal(struct gk20a *g);

drivers/gpu/nvgpu/gk20a/kind_gk20a.c

@@ -1,9 +1,7 @@
 /*
- * drivers/video/tegra/host/gk20a/kind_gk20a.c
- *
  * GK20A memory kind management
  *
- * Copyright (c) 2011-2014, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -18,8 +16,6 @@
  * this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
-#include <linux/bitops.h>
-#include <linux/compiler.h>
 
 #include "kind_gk20a.h"
 

drivers/gpu/nvgpu/gk20a/kind_gk20a.h

@@ -21,6 +21,7 @@
 #ifndef __KIND_GK20A_H__
 #define __KIND_GK20A_H__
 
+#include <nvgpu/bitops.h>
 
 void gk20a_init_uncompressed_kind_map(void);
 void gk20a_init_kind_attr(void);

drivers/gpu/nvgpu/gk20a/ltc_gk20a.c

@@ -16,8 +16,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
-
 #include <trace/events/gk20a.h>
 #include <nvgpu/timers.h>
 #include <nvgpu/log.h>

drivers/gpu/nvgpu/gk20a/sync_gk20a.c

@@ -14,7 +14,6 @@
  */
 
 #include <linux/version.h>
-#include <linux/kernel.h>
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/hrtimer.h>

drivers/gpu/nvgpu/gp106/xve_gp106.c

@@ -15,7 +15,6 @@
  */
 
 #include <linux/delay.h>
-#include <linux/kernel.h>
 #include <linux/debugfs.h>
 #include <linux/uaccess.h>
 

drivers/gpu/nvgpu/include/nvgpu/bitops.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+#ifndef __NVGPU_BITOPS_H__
+#define __NVGPU_BITOPS_H__
+
+#ifdef __KERNEL__
+#include <linux/bitops.h>
+#endif
+
+#endif

drivers/gpu/nvgpu/include/nvgpu/log.h

@@ -17,6 +17,9 @@
 #ifndef __NVGPU_DEBUGGING_H__
 #define __NVGPU_DEBUGGING_H__
 
+#include <nvgpu/types.h>
+#include <nvgpu/bitops.h>
+
 struct gk20a;
 
 enum nvgpu_log_type {

drivers/gpu/nvgpu/vgpu/css_vgpu.c

@@ -15,8 +15,6 @@
  */
 #if defined(CONFIG_GK20A_CYCLE_STATS)
 
-#include <linux/kernel.h>
-#include <linux/nvhost.h>
 #include <linux/tegra-ivc.h>
 #include <linux/tegra_vgpu.h>
 

drivers/gpu/nvgpu/vgpu/gk20a/vgpu_gr_gk20a.c

@@ -11,8 +11,6 @@
  * more details.
  */
 
-#include <linux/kernel.h>
-
 #include "gk20a/gk20a.h"
 #include "vgpu_gr_gk20a.h"
 

drivers/gpu/nvgpu/vgpu/gm20b/vgpu_gr_gm20b.c

@@ -11,8 +11,6 @@
  * more details.
  */
 
-#include <linux/kernel.h>
-
 #include "gk20a/gk20a.h"
 #include "vgpu_gr_gm20b.h"
 

drivers/gpu/nvgpu/vgpu/sysfs_vgpu.c

@@ -12,7 +12,6 @@
  */
 
 #include <linux/device.h>
-#include <linux/kernel.h>
 #include <linux/gk20a.h>
 
 #include "vgpu/vgpu.h"

drivers/gpu/nvgpu/vgpu/tsg_vgpu.c

@@ -14,7 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <linux/kernel.h>
 #include <linux/tegra_vgpu.h>
 
 #include "gk20a/gk20a.h"

include/linux/tegra_vgpu.h

@@ -19,6 +19,8 @@
 #ifndef __TEGRA_VGPU_H
 #define __TEGRA_VGPU_H
 
+#include <nvgpu/types.h>
+
 enum {
 	TEGRA_VGPU_MODULE_GPU = 0,
 };