Files
linux-nvgpu/drivers/gpu/nvgpu/common/linux/rwsem.c
Terje Bergstrom 7685f60d9d gpu: nvgpu: Abstract rw_semaphore implementation
Abstract implementation of rw_semaphore. In Linux it's implemented
in terms of rw_semaphore. Change deterministic_busy to use the new
implementation.

JIRA NVGPU-259

Change-Id: Ia9c1b6e397581bff7711c5ab6fb76ef6d23cff87
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1570405
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2017-10-14 14:13:18 -07:00

40 lines
971 B
C

/*
* 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.
*/
#include <nvgpu/rwsem.h>
void nvgpu_rwsem_init(struct nvgpu_rwsem *rwsem)
{
init_rwsem(&rwsem->rwsem);
}
void nvgpu_rwsem_up_read(struct nvgpu_rwsem *rwsem)
{
up_read(&rwsem->rwsem);
}
void nvgpu_rwsem_down_read(struct nvgpu_rwsem *rwsem)
{
down_read(&rwsem->rwsem);
}
void nvgpu_rwsem_up_write(struct nvgpu_rwsem *rwsem)
{
up_write(&rwsem->rwsem);
}
void nvgpu_rwsem_down_write(struct nvgpu_rwsem *rwsem)
{
down_write(&rwsem->rwsem);
}