Files
linux-nvgpu/drivers/gpu/nvgpu/common/nvlink/probe.c
Sagar Kamble 3f08cf8a48 gpu: nvgpu: rename feature Make and C flags
Name the Make and C flag variables consistently wih syntax:
CONFIG_NVGPU_<feature name>

s/NVGPU_DEBUGGER/CONFIG_NVGPU_DEBUGGER
s/NVGPU_CYCLESTATS/CONFIG_NVGPU_CYCLESTATS
s/NVGPU_USERD/CONFIG_NVGPU_USERD
s/NVGPU_CHANNEL_WDT/CONFIG_NVGPU_CHANNEL_WDT
s/NVGPU_FEATURE_CE/CONFIG_NVGPU_CE
s/NVGPU_GRAPHICS/CONFIG_NVGPU_GRAPHICS
s/NVGPU_ENGINE/CONFIG_NVGPU_FIFO_ENGINE_ACTIVITY
s/NVGPU_FEATURE_CHANNEL_TSG_SCHED/CONFIG_NVGPU_CHANNEL_TSG_SCHED
s/NVGPU_FEATURE_CHANNEL_TSG_CONTROL/CONFIG_NVGPU_CHANNEL_TSG_CONTROL
s/NVGPU_FEATURE_ENGINE_QUEUE/CONFIG_NVGPU_ENGINE_QUEUE
s/GK20A_CTXSW_TRACE/CONFIG_NVGPU_FECS_TRACE
s/IGPU_VIRT_SUPPORT/CONFIG_NVGPU_IGPU_VIRT
s/CONFIG_TEGRA_NVLINK/CONFIG_NVGPU_NVLINK
s/NVGPU_DGPU_SUPPORT/CONFIG_NVGPU_DGPU
s/NVGPU_VPR/CONFIG_NVGPU_VPR
s/NVGPU_REPLAYABLE_FAULT/CONFIG_NVGPU_REPLAYABLE_FAULT
s/NVGPU_FEATURE_LS_PMU/CONFIG_NVGPU_LS_PMU
s/NVGPU_FEATURE_POWER_PG/CONFIG_NVGPU_POWER_PG

JIRA NVGPU-3624

Change-Id: I8b2492b085095fc6ee95926d8f8c3929702a1773
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2130290
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-06-11 09:46:24 -07:00

77 lines
2.1 KiB
C

/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <nvgpu/gk20a.h>
#include <nvgpu/enabled.h>
#include <nvgpu/nvlink_probe.h>
int nvgpu_nvlink_probe(struct gk20a *g)
{
#ifdef CONFIG_NVGPU_NVLINK
int err;
err = nvgpu_nvlink_setup_ndev(g);
if (err != 0) {
return err;
}
err = nvgpu_nvlink_read_dt_props(g);
if (err != 0) {
goto free_ndev;
}
err = nvgpu_nvlink_init_ops(g);
if (err != 0) {
goto free_ndev;
}
/* Register device with core driver*/
err = nvgpu_nvlink_register_device(g);
if (err != 0) {
nvgpu_err(g, "failed on nvlink device registration");
goto free_ndev;
}
/* Register link with core driver */
err = nvgpu_nvlink_register_link(g);
if (err != 0) {
nvgpu_err(g, "failed on nvlink link registration");
goto unregister_ndev;
}
/* Enable NVLINK support */
nvgpu_set_enabled(g, NVGPU_SUPPORT_NVLINK, true);
return 0;
unregister_ndev:
err = nvgpu_nvlink_unregister_device(g);
free_ndev:
nvgpu_kfree(g, g->nvlink.priv);
g->nvlink.priv = NULL;
return err;
#else
return -ENODEV;
#endif
}