diff options
author | Richard Zhao <rizhao@nvidia.com> | 2018-03-27 14:28:09 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2018-06-15 00:40:57 -0400 |
commit | 4d94b32d01e66cb0ba2799775ce2d79c5ff0f2ec (patch) | |
tree | 32e2352fca156879e9da94e3ec83f3ca0298d5cf | |
parent | ca0e1c03e907e13648e6833fe6e409fe2db3be39 (diff) |
gpu: nvgpu: abstract dt functions
Added nvgpu_dt_read_u32_index() for now.
Jira VFND-4870
Change-Id: I3e51c408dfba3864372c515ba5d2c77708a489c8
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1683008
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
-rw-r--r-- | drivers/gpu/nvgpu/Makefile | 1 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/common/linux/dt.c | 29 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/include/nvgpu/dt.h | 28 |
3 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/Makefile b/drivers/gpu/nvgpu/Makefile index c75e1417..9f58d6ef 100644 --- a/drivers/gpu/nvgpu/Makefile +++ b/drivers/gpu/nvgpu/Makefile | |||
@@ -62,6 +62,7 @@ nvgpu-y += \ | |||
62 | common/linux/sim_pci.o \ | 62 | common/linux/sim_pci.o \ |
63 | common/linux/os_sched.o \ | 63 | common/linux/os_sched.o \ |
64 | common/linux/nvlink.o \ | 64 | common/linux/nvlink.o \ |
65 | common/linux/dt.o \ | ||
65 | common/mm/nvgpu_allocator.o \ | 66 | common/mm/nvgpu_allocator.o \ |
66 | common/mm/bitmap_allocator.o \ | 67 | common/mm/bitmap_allocator.o \ |
67 | common/mm/buddy_allocator.o \ | 68 | common/mm/buddy_allocator.o \ |
diff --git a/drivers/gpu/nvgpu/common/linux/dt.c b/drivers/gpu/nvgpu/common/linux/dt.c new file mode 100644 index 00000000..88e391e3 --- /dev/null +++ b/drivers/gpu/nvgpu/common/linux/dt.c | |||
@@ -0,0 +1,29 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2018, NVIDIA Corporation. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | |||
17 | #include <nvgpu/dt.h> | ||
18 | #include <linux/of.h> | ||
19 | |||
20 | #include "os_linux.h" | ||
21 | |||
22 | int nvgpu_dt_read_u32_index(struct gk20a *g, const char *name, | ||
23 | u32 index, u32 *value) | ||
24 | { | ||
25 | struct device *dev = dev_from_gk20a(g); | ||
26 | struct device_node *np = dev->of_node; | ||
27 | |||
28 | return of_property_read_u32_index(np, name, index, value); | ||
29 | } | ||
diff --git a/drivers/gpu/nvgpu/include/nvgpu/dt.h b/drivers/gpu/nvgpu/include/nvgpu/dt.h new file mode 100644 index 00000000..b5fdbfcd --- /dev/null +++ b/drivers/gpu/nvgpu/include/nvgpu/dt.h | |||
@@ -0,0 +1,28 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | * copy of this software and associated documentation files (the "Software"), | ||
6 | * to deal in the Software without restriction, including without limitation | ||
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | * and/or sell copies of the Software, and to permit persons to whom the | ||
9 | * Software is furnished to do so, subject to the following conditions: | ||
10 | * | ||
11 | * The above copyright notice and this permission notice shall be included in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | * DEALINGS IN THE SOFTWARE. | ||
21 | */ | ||
22 | |||
23 | #include <nvgpu/types.h> | ||
24 | |||
25 | struct gk20a; | ||
26 | |||
27 | int nvgpu_dt_read_u32_index(struct gk20a *g, const char *name, | ||
28 | u32 index, u32 *value); | ||