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git://nv-tegra.nvidia.com/linux-nv-oot.git
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069925e74b
The function ioremap_prot() has been exported by the Linux kernel since v5.9. However, it is only available if GENERIC_IOREMAP is enabled. Since Linux v6.0, when the ARM64 __ioremap() function was removed, was GENERIC_IOREMAP enabled for ARM64 by default. Rather than depend on kernel version for selecting if ioremap_prot is used, use ioremap_prot if GENERIC_IOREMAP is enabled. This is a better solution for working with 3rd party Linux kernels that may backport upstream changes to the kernel and hence are not compatible with these existing version checks. Bug 4119327 Change-Id: I2f5f9a691c66c5fbd83d4aa51062c749d39dd447 Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2982126 Reviewed-by: Ketan Patil <ketanp@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
55 lines
1.3 KiB
Makefile
55 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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# Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved.
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GCOV_PROFILE := y
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subdir-ccflags-y += -Werror
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include $(srctree.nvidia-oot)/drivers/video/tegra/nvmap/Makefile.memory.configs
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# If the kernel enables CONFIG_GENERIC_IOREMAP,
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# then pass this flag for building NVMAP.
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ifdef CONFIG_GENERIC_IOREMAP
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ccflags-y += -DCONFIG_GENERIC_IOREMAP
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endif
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ifeq ($(NVMAP_CONFIG), y)
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# Build NvMap only when NVMAP_CONFIG is set to y
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nvmap-y := nvmap_core.o \
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nvmap_alloc.o \
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nvmap_cache.o \
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nvmap_dev.o \
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nvmap_dmabuf.o \
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nvmap_fault.o \
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nvmap_handle.o \
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nvmap_heap.o \
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nvmap_ioctl.o \
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nvmap_init.o \
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nvmap_tag.o \
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nvmap_mm.o \
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nvmap_stats.o \
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nvmap_carveout.o \
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nvmap_kasan_wrapper.o
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nvmap-$(NVMAP_CONFIG_HANDLE_AS_ID) += nvmap_id_array.o
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nvmap-$(NVMAP_CONFIG_SCIIPC) += nvmap_sci_ipc.o
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ifeq ($(NVMAP_CONFIG_PAGE_POOLS), y)
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nvmap-y += nvmap_pp.o
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endif #NVMAP_CONFIG_PAGE_POOLS
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ifneq ($(filter y,$(CONFIG_ARCH_TEGRA_19x_SOC) $(CONFIG_ARCH_TEGRA_194_SOC)),)
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nvmap-y += nvmap_init_t19x.o
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endif #CONFIG_ARCH_TEGRA_19x_SOC or CONFIG_ARCH_TEGRA_194_SOC
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KASAN_SANITIZE_nvmap_kasan_wrapper.o := n
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ifeq ($(NVMAP_CONFIG_LOADABLE_MODULE), y)
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nvmap-y += nvmap_cache_maint.o
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obj-m += nvmap.o
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else
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# Not a loadable module
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obj-y += nvmap.o
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endif #NVMAP_CONFIG_LOADABLE_MODULE
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endif #NVMAP_CONFIG
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