linux-kernel - Re: No realtime clock (/dev/rtc) on new ThinkPad X1

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Message-ID: <CAAJw_ZsQkjdPo7McQoEb9LqBb0hzrzFRE4K_CR5dVApoT2_zmQ@mail.gmail.com>
Date:   Fri, 17 Jan 2020 12:16:37 +0800
From:   Jeff Chua <jeff.chua.linux@...il.com>
To:     lkml <linux-kernel@...r.kernel.org>
Subject: Re: No realtime clock (/dev/rtc) on new ThinkPad X1

On Fri, Jan 17, 2020 at 11:46 AM Jeff Chua <jeff.chua.linux@...il.com> wrote:
>
> Got installed Linux 5.5.0-rc6 on ThinkPad X1. CPU is i7-10510U (Comet
> Lake) ... and /dev/rtc is missing.
>
> Linux is latest git pull (f4353c3e2aaf7f7d3c5a18271b368bf5292854c3)
> CPU model name      : Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz
>
> Am I missing something?

I can confirm that the same kernel works on another ThinkPad (tried on
P53 with i7-9750H) but not on X1.

Jeff.