Re: [PATCH] EmbeddedPkg/TimeBaseLib: remove the SEC_PER_MONTH, SEC_PER_YEAR macros

["Leif Lindholm" <leif@nuviainc.com>]

+Ming

On Fri, Sep 04, 2020 at 17:45:41 +0200, Laszlo Ersek wrote:
> The SEC_PER_MONTH and SEC_PER_YEAR macros are wrong: they both evaluate to
> 0 (of type "int"). They are also unused (they could never be used for
> division, for example); so remove them. The macros were originally
> introduced in commit 0f4386e775c7 ("ArmPlatformPkg/PL031RealTimeClockLib:
> Implement PL031 RTC drive", 2011-06-11).
> 
> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
> Cc: Leif Lindholm <leif@nuviainc.com>
> Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
> Reported-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> Signed-off-by: Laszlo Ersek <lersek@redhat.com>

Hmm, these are used in a couple of Hisilicon libraries in
edk2-platforms. Cleary, they are not now functioning as expected (but
they never invoke these macros for division).

We should fix this, but possibly by correcting the macros instead of
deleting them?

/
    Leif (goes back to now hopefuly lit barbecue)

> ---
>  EmbeddedPkg/Include/Library/TimeBaseLib.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/EmbeddedPkg/Include/Library/TimeBaseLib.h b/EmbeddedPkg/Include/Library/TimeBaseLib.h
> index ee2f191d985b..3c2d3660c66c 100644
> --- a/EmbeddedPkg/Include/Library/TimeBaseLib.h
> +++ b/EmbeddedPkg/Include/Library/TimeBaseLib.h
> @@ -51,8 +51,6 @@
>  #define SEC_PER_MIN                                     ((UINTN)    60)
>  #define SEC_PER_HOUR                                    ((UINTN)  3600)
>  #define SEC_PER_DAY                                     ((UINTN) 86400)
> -#define SEC_PER_MONTH                                   ((UINTN)  2,592,000)
> -#define SEC_PER_YEAR                                    ((UINTN) 31,536,000)
>  
>  BOOLEAN
>  EFIAPI
> -- 
> 2.19.1.3.g30247aa5d201
>