PSCI implements a restart notifier for architectural defined resets. The SYSTEM_RESET2 call allows vendor firmware to define additional reset types which could be mapped to the reboot reason. Implement a driver to wire the reboot-mode framework to make vendor SYSTEM_RESET2 calls on reboot. This is a continuation from https://lore.kernel.org/all/4a679542-b48d-7e11-f33a-63535a5c68cb@xxxxxxxxxxx/ Elliot Berman (4): power: reset: reboot-mode: Allow magic to be 0 power: reset: reboot-mode: Wire reboot_mode enum to magic dt-bindings: power: reset: Document arm,psci-vendor-reset power: reset: Implement a PSCI SYSTEM_RESET2 reboot-mode driver .../power/reset/arm,psci-vendor-reset.yaml | 35 +++++++++++++ MAINTAINERS | 2 + drivers/firmware/psci/psci.c | 9 ++++ drivers/power/reset/Kconfig | 9 ++++ drivers/power/reset/Makefile | 1 + drivers/power/reset/psci-vendor-reset.c | 49 +++++++++++++++++++ drivers/power/reset/reboot-mode.c | 44 ++++++++++++----- include/linux/psci.h | 2 + 8 files changed, 139 insertions(+), 12 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/reset/arm,psci-vendor-reset.yaml create mode 100644 drivers/power/reset/psci-vendor-reset.c base-commit: 6eaae198076080886b9e7d57f4ae06fa782f90ef -- 2.41.0
