efi/arm64: use UEFI for system reset and poweroff

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If UEFI Runtime Services are available, they are preferred over direct
PSCI calls or other methods to reset the system.

For the reset case, we need to hook into machine_restart(), as the
arm_pm_restart function pointer may be overwritten by modules.

Tested-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Ard Biesheuvel 2015-03-06 15:49:24 +01:00 • committed by Catalin Marinas

parent 285994a62c

commit 60c0d45a7f

2 changed files with 17 additions and 0 deletions

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9

arch/arm64/kernel/efi.c

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8

arch/arm64/kernel/process.c

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