Re: [PATCH 1/1] x86/tsr: Fix tsc frequency enumeration failure on lightning mountain SoC

From: Andy Shevchenko
Date: Thu Jul 30 2020 - 03:57:46 EST


On Thu, Jul 30, 2020 at 9:16 AM Dilip Kota <eswara.kota@xxxxxxxxxxxxxxx> wrote:
>
> Frequency descriptor of Lightning Mountain SoC doesn't have all the
> frequency entries so resulting in the below failure causing kernel hang.
>
> [ 0.000000] Error MSR_FSB_FREQ index 15 is unknown
> [ 0.000000] tsc: Fast TSC calibration failed
>
> So, add all the frequency entries in the Lightning Mountain SoC frequency
> descriptor.

While at this, can you confirm (with maybe good description and
documentation reference) that the numbers in that array are all
correct?

--
With Best Regards,
Andy Shevchenko