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From: "Ni, Ray" <ray.ni@intel.com>
To: "Chao, Zhuoran" <zhuoran.chao@intel.com>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Subject: Re: [PATCH v2] PcAtChipsetPkg: Change the flow of PcRtcInit()
Date: Sat, 7 May 2022 05:43:32 +0000	[thread overview]
Message-ID: <MWHPR11MB1631C925F4FC95A45E6864B38CC49@MWHPR11MB1631.namprd11.prod.outlook.com> (raw)
In-Reply-To: <a6e9e25475c69706646f81706769910cb8410495.1651891697.git.zhuoran.chao@intel.com>

> -  if ((Time->Hour & 0x80) != 0) {
> -    IsPM = TRUE;
> -  } else {
> -    IsPM = FALSE;
> +  // Check 24-hour format situation
> +  if (RegisterB.Bits.Mil == 1) {
> +    if (RegisterB.Bits.Dm == 0) {
> +      if (Time->Hour > 0x23) {
> +        return EFI_INVALID_PARAMETER;
> +      }
> +    } else {
> +      if (Time->Hour > 0x17) {
> +        return EFI_INVALID_PARAMETER;
> +      }
> +    }
> +  }
> +
> +  // IsPM only makes sense for 12-hour format.
> +  if (RegisterB.Bits.Mil == 0) {
> +    if ((Time->Hour & 0x80) != 0) {
> +      IsPM = TRUE;
> +    } else {
> +      IsPM = FALSE;
> +    }
>    }
> 

Is it possible to remove above check?
RtcTimeFieldsValid() already does the check.

      reply	other threads:[~2022-05-07  5:43 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-07  2:50 [PATCH v2] PcAtChipsetPkg: Change the flow of PcRtcInit() Zhuoran Chao
2022-05-07  5:43 ` Ni, Ray [this message]

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