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856471d64f
This change adds a cooling device driver to notify the user space of the thermal trip event. To avoid having user space process poll the cooling state, a sysfs node is exposed that supports blocking reads. The driver also supports a timeout (in milliseconds) for blocking reads which can be done by writing the value to thermal_trip_event_block node before reading. The blocked user space process will be woken up when the cooling device becomes active or times out. Bug 4261645 Bug 1688327 Signed-off-by: Yi-Wei Wang <yiweiw@nvidia.com> Change-Id: Ic89406ba2713e5bc8f3806d6cfeb462601c73a7d Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3015652 Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: Rajkumar Kasirajan <rkasirajan@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
10 lines
317 B
Makefile
10 lines
317 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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ifeq ($(findstring ack_src,$(NV_BUILD_KERNEL_OPTIONS)),)
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obj-m += pex9749-thermal.o
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obj-m += tegra234-oc-event.o
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obj-m += thermal-trip-event.o
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endif
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obj-m += max77851_thermal.o
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