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Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64

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On 28 September 2015 at 06:34, Zhen Lei <thunder.leizhen@huawei.com> wrote:
> Now, ARM64 is also support EFI startup. We hope use EFI runtime services
> to get/set current time and date.
>
> RTC_LIB only controls some configs in drivers/char/Kconfig(included
> EFI_RTC), and will be automatically selected when RTC_CLASS opened. So
> this patch have no functional change but give an opportunity to select
> EFI_RTC when RTC_CLASS closed.
>
> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
> ---
>  arch/arm64/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 07d1811..25cec57 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -85,7 +85,7 @@ config ARM64
>         select PERF_USE_VMALLOC
>         select POWER_RESET
>         select POWER_SUPPLY
> -       select RTC_LIB
> +       select RTC_LIB if !EFI
>         select SPARSE_IRQ
>         select SYSCTL_EXCEPTION_TRACE
>         select HAVE_CONTEXT_TRACKING

You can currently enable EFI_RTC just fine on arm64 when EFI is enabled.
Why exactly do you need this patch on top?
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[PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 Zhen Lei <thunder.leizhen@huawei.com> - 2015-09-28 07:40 +0200
  Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 Arnd Bergmann <arnd@arndb.de> - 2015-09-28 09:40 +0200
    Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2015-09-28 10:40 +0200
      Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 Arnd Bergmann <arnd@arndb.de> - 2015-09-28 10:50 +0200
        Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2015-09-28 11:50 +0200
          Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 Arnd Bergmann <arnd@arndb.de> - 2015-09-28 12:00 +0200
  Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2015-09-28 09:50 +0200
    Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64 "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2015-09-28 10:50 +0200

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