[linux-yocto] [PATCH 0/2] Use CPUID to estimate clock frequency for linux-yocto-4.1
Saul Wold
sgw at linux.intel.com
Thu Jun 23 12:55:50 PDT 2016
Bruce, I think we need these in 4.4 bxt-rebase also.
They are pending in Lenb's tree.
Sau!
On Thu, 2016-06-23 at 04:25 +0000, Yong, Jonathan wrote:
>
> This patch allows clock frequencies to be calibrated if TSC and CPU
> frequencies differ. This is not in the latest kernel tree yet, so
> this
> should go into standard/intel/base.
>
> Tested with Apollo Lake.
>
> Bin Gao (1):
> x86 tsc: enumerate BXT tsc_khz via CPUID
>
> Len Brown (1):
> x86 tsc: enumerate SKL cpu_khz and tsc_khz via CPUID
>
> arch/x86/include/asm/tsc.h | 1 +
> arch/x86/include/asm/x86_init.h | 4 +-
> arch/x86/kernel/tsc.c | 91
> +++++++++++++++++++++++++++++++++++++----
> arch/x86/kernel/x86_init.c | 1 +
> 4 files changed, 89 insertions(+), 8 deletions(-)
>
> --
> 2.7.3
>
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