Re: [PATCH 2/2] arm64: to allow EFI_RTC can be selected on ARM64
From: Ard Biesheuvel
Date: Mon Sep 28 2015 - 03:40:32 EST
On 28 September 2015 at 06:34, Zhen Lei <thunder.leizhen@xxxxxxxxxx> 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@xxxxxxxxxx>
> 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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