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linux/arch/loongarch
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Miao Wang e32f7c8443 LoongArch: Enable general EFI poweroff method 
commit e688c22073 upstream.

efi_shutdown_init() can register a general sys_off handler named
efi_power_off(). Enable this by providing efi_poweroff_required(),
like arm and x86. Since EFI poweroff is also supported on LoongArch,
and the enablement makes the poweroff function usable for hardwares
which lack ACPI S5.

We prefer ACPI poweroff rather than EFI poweroff (like x86), so we only
require EFI poweroff if acpi_gbl_reduced_hardware or acpi_no_s5 is true.

Cc: stable@vger.kernel.org
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-08-14 13:58:58 +02:00
..
boot loongarch: efi: enable generic EFI compressed boot 2022-09-20 09:50:31 +02:00
configs LoongArch: Update Loongson-3 default config file 2023-09-07 12:06:20 +08:00
crypto LoongArch/crypto: Clean up useless assignment operations 2024-04-03 15:28:36 +02:00
include efi/loongarch: Directly position the loaded image file 2024-06-27 13:49:15 +02:00
kernel LoongArch: Enable general EFI poweroff method 2024-08-14 13:58:58 +02:00
lib LoongArch: Add KASAN (Kernel Address Sanitizer) support 2023-09-06 22:54:16 +08:00
mm LoongArch: Fix access error when read fault on a write-only VMA 2024-05-02 16:32:45 +02:00
net Revert "bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro()" 2024-07-09 11:44:29 +02:00
pci LoongArch: Add FDT booting support from efi system table 2022-12-14 08:41:53 +08:00
power LoongArch: Export some arch-specific pm interfaces 2023-06-29 20:58:44 +08:00
vdso kbuild: unify vdso_install rules 2024-06-12 11:12:32 +02:00
Kbuild LoongArch: Add BPF JIT support 2022-10-12 16:36:20 +08:00
Kconfig LoongArch: Select HAVE_ARCH_SECCOMP to use the common SECCOMP menu 2024-03-01 13:34:55 +01:00
Kconfig.debug LoongArch: Add prologue unwinder support 2022-08-12 13:10:11 +08:00
Makefile kbuild: unify vdso_install rules 2024-06-12 11:12:32 +02:00