Re: [Xen-devel] [PATCH v5 7/7] arch/x86: Comment out efi_set_rtc_mmss()

[Matt Fleming <matt@xxxxxxxxxxxxxxxxx>]

On Fri, 13 Jun, at 07:00:23PM, Daniel Kiper wrote:
> efi_set_rtc_mmss() is never used to set RTC due to bugs found
> on many EFI platforms. It is set directly by mach_set_rtc_mmss().
> 
> Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
> ---
>  arch/x86/platform/efi/efi.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
> index deb4f05..bd3e080 100644
> --- a/arch/x86/platform/efi/efi.c
> +++ b/arch/x86/platform/efi/efi.c
> @@ -244,6 +244,11 @@ static efi_status_t __init 
> phys_efi_set_virtual_address_map(
>       return status;
>  }
>  
> +#if 0
> +/*
> + * efi_set_rtc_mmss() is never used to set RTC due to bugs found
> + * on many EFI platforms. It is set directly by mach_set_rtc_mmss().
> + */
>  int efi_set_rtc_mmss(const struct timespec *now)
>  {
>       unsigned long nowtime = now->tv_sec;
> @@ -279,6 +284,7 @@ int efi_set_rtc_mmss(const struct timespec *now)
>       }
>       return 0;
>  }
> +#endif
>  
>  void efi_get_time(struct timespec *now)
>  {

As others have said in this thread - just delete this sucker.

I did make an attempt to get rid of all the time functions recently, but
chickened out at the last minute because we were nearing the merge
window,

  http://article.gmane.org/gmane.linux.kernel.janitors/30082

So yes, please go ahead and delete this function.

-- 
Matt Fleming, Intel Open Source Technology Center

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