Subject: Re: [PATCH 5/8] arm64: defconfig: enable EFI_VARS and EFI_CAPSULE_LOADER

From: Robin Murphy <[email-masked]>
Date: Wed, 12 Apr 2017 17:13:20 +0100

On 12/04/17 17:02, Timur Tabi wrote:
> Many ARM64 server systems boot via EFI, so enable support for some EFI
> options to allow applications to interact with EFI.
> 
> CONFIG_EFI_VARS enables sysfs support for reading and writing variables

Isn't efivarfs preferred for that these days, or have I imagined that?

Robin.

> CONFIG_EFI_CAPSULE_LOADER allows the user to update the EFI firmware.
> 
> Signed-off-by: Timur Tabi <[email-masked]>
> ---
>  arch/arm64/configs/defconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 1e5c516..cdc8698 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -485,6 +485,8 @@ CONFIG_PHY_XGENE=y
>  CONFIG_PHY_TEGRA_XUSB=y
>  CONFIG_ARM_SCPI_PROTOCOL=y
>  CONFIG_RASPBERRYPI_FIRMWARE=y
> +CONFIG_EFI_VARS=y
> +CONFIG_EFI_CAPSULE_LOADER=y
>  CONFIG_ACPI=y
>  CONFIG_EXT2_FS=y
>  CONFIG_EXT3_FS=y
>