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92ac7bc35a
Port camera drivers below from /kenrel/nvidia to /kernel/nvidia-oot as OOT modules: - Fusa-capture driver - Tegra V4L2 framework driver - vi/csi driver - tegra camera platform driver Change-Id: I390af27096425bb11e0934201dd1a90f001bb3fa Signed-off-by: Frank Chen <frankc@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2780698 Reviewed-by: FNU Raunak <fraunak@nvidia.com> Reviewed-by: Ankur Pawar <ankurp@nvidia.com> Reviewed-by: Shiva Dubey <sdubey@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
18 lines
630 B
C
18 lines
630 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*/
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#include <linux/version.h>
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/*
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* Upstream Linux commit bd4fb6d270bc ("arm64: Add support for SB
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* barrier and patch in over DSB; ISB sequences") added speculation
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* macro 'spec_bar' to inhibit speculation. This has since been removed
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* from the upstream kernel starting with Linux v5.13, because there are
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* no current users. Define this macro here for NVIDIA drivers to use.
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*/
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#define spec_bar() asm volatile(ALTERNATIVE("dsb nsh\nisb\n", \
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SB_BARRIER_INSN"nop\n", \
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ARM64_HAS_SB))
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