linux-kernel - Re: [PATCH] rtc: cmos: Revert "rtc: Fix the AltCentury value on AMD/Hygon platform"

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Date:   Mon, 6 Jan 2020 11:44:34 +0000
From:   Jinke Fan <fanjinke@...on.cn>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "hwentlan@....com" <hwentlan@....com>,
        "thomas.lendacky@....com" <thomas.lendacky@....com>,
        "kim.phillips@....com" <kim.phillips@....com>
Subject: Re: [PATCH] rtc: cmos: Revert "rtc: Fix the AltCentury value on
 AMD/Hygon platform"

Hi Alexandre,

On 2020/1/4 12:31, Alexandre Belloni wrote:
> There are multiple reports of this patch breaking RTC time setting for AMD
> platforms.
> 
After digging into this issues, we suspect it related to BIOS upgrade, 
Which upgrade AM4 PI from AGESA 1.0.0.3ABBA to AM4 combo PI 1.0.0.4 patch B.
Seemed this PI upgrade makes this patch can't work as expected.

-- 
Best regards.
Jinke Fan
> This reverts commit 7ad295d5196a58c22abecef62dd4f99e2f86e831.
> 
> Cc: Jinke Fan <fanjinke@...on.cn>
> Link: https://lore.kernel.org/r/CABXGCsMLob0DC25JS8wwAYydnDoHBSoMh2_YLPfqm3TTvDE-Zw@mail.gmail.com
> Fixes: 7ad295d5196a ("rtc: Fix the AltCentury value on AMD/Hygon platform")
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> ---