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[linux-nvidia-6.17]: Backport ARM Live Firmware Activation (LFA) Support #280

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[linux-nvidia-6.17]: Backport ARM Live Firmware Activation (LFA) Support #280

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3b2a980
NVIDIA: VR: SAUCE: firmware: smccc: Add support for Live Firmware Act…
salmannabi1 Sep 26, 2025
28034bf
NVIDIA: VR: SAUCE: firmware: smccc: LFA: use smcc 1.2
Oct 8, 2025
ffae5ec
NVIDIA: VR: SAUCE: firmware: smccc: LFA: refactor
Nov 11, 2025
32a9263
NVIDIA: VR: SAUCE: firmware: smccc: add timeout, touch wdt
Nov 13, 2025
2d330dc
NVIDIA: VR: SAUCE: firmware: smccc: register as platform driver
Nov 13, 2025
6a27418
NVIDIA: VR: SAUCE: firmware: smccc: lfa: refresh fw details
Dec 2, 2025
ca18484
NVIDIA: VR: SAUCE: [Config] Enable ARM LFA support
jamieNguyenNVIDIA Jan 13, 2026
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1 change: 1 addition & 0 deletions debian.nvidia-6.17/config/annotations
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Expand Up @@ -203,6 +203,7 @@ CONFIG_ARM64_MPAM_DRIVER_DEBUG policy<{'amd64': '-', 'arm64': '
CONFIG_ARM64_MPAM_RESCTRL_FS policy<{'arm64': 'y'}>
CONFIG_ARM_CPU_RESCTRL policy<{'amd64': '-', 'arm64': '-'}>
CONFIG_ARM_FFA_TRANSPORT policy<{'arm64': 'y'}>
CONFIG_ARM_LFA policy<{'arm64': 'y'}>
CONFIG_ARM_SMMU_V3_IOMMUFD policy<{'arm64': 'y'}>
CONFIG_AS_VERSION policy<{'amd64': '24200', 'arm64': '24200'}>
CONFIG_AX88796B_RUST_PHY policy<{'amd64': '-', 'arm64': '-'}>
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8 changes: 8 additions & 0 deletions drivers/firmware/smccc/Kconfig
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Expand Up @@ -23,3 +23,11 @@ config ARM_SMCCC_SOC_ID
help
Include support for the SoC bus on the ARM SMCCC firmware based
platforms providing some sysfs information about the SoC variant.

config ARM_LFA
bool "Arm Live Firmware activation support"
depends on HAVE_ARM_SMCCC_DISCOVERY
default y
help
Include support for triggering Live Firmware Activation, which
allows to upgrade certain firmware components without a reboot.
1 change: 1 addition & 0 deletions drivers/firmware/smccc/Makefile
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Expand Up @@ -2,3 +2,4 @@
#
obj-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) += smccc.o kvm_guest.o
obj-$(CONFIG_ARM_SMCCC_SOC_ID) += soc_id.o
obj-$(CONFIG_ARM_LFA) += lfa_fw.o
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