RE: [PATCH v2 14/14] cpufreq: CPPC: remove the acpi_disabled check

Yuan, Perry
2022-07-12T04:19:07Z

[AMD Official Use Only - General]

Hi Nathan.

> -----Original Message-----
> From: Fontenot, Nathan <Nathan.Fontenot@amd.com>
> Sent: Tuesday, July 12, 2022 3:30 AM
> To: Yuan, Perry <Perry.Yuan@amd.com>; rafael.j.wysocki@intel.com;
> viresh.kumar@linaro.org; Huang, Ray <Ray.Huang@amd.com>
> Cc: Sharma, Deepak <Deepak.Sharma@amd.com>; Limonciello, Mario
> <Mario.Limonciello@amd.com>; Fontenot, Nathan
> <Nathan.Fontenot@amd.com>; Deucher, Alexander
> <Alexander.Deucher@amd.com>; Su, Jinzhou (Joe) <Jinzhou.Su@amd.com>;
> Huang, Shimmer <Shimmer.Huang@amd.com>; Du, Xiaojian
> <Xiaojian.Du@amd.com>; Meng, Li (Jassmine) <Li.Meng@amd.com>; linux-
> pm@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v2 14/14] cpufreq: CPPC: remove the acpi_disabled
> check
>
> On 7/9/22 09:20, Perry Yuan wrote:
> > "acpi_cpc_valid" function already includes the acpi_disabled check and
> > we can remove the duplicated check here
> >
> > Signed-off-by: Perry Yuan <Perry.Yuan@amd.com>
> > ---
> > drivers/cpufreq/cppc_cpufreq.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/cpufreq/cppc_cpufreq.c
> > b/drivers/cpufreq/cppc_cpufreq.c index 24eaf0ec344d..9adb7612993e
> > 100644
> > --- a/drivers/cpufreq/cppc_cpufreq.c
> > +++ b/drivers/cpufreq/cppc_cpufreq.c
> > @@ -947,7 +947,7 @@ static int __init cppc_cpufreq_init(void) {
> > int ret;
> >
> > - if ((acpi_disabled) || !acpi_cpc_valid())
> > + if (!acpi_cpc_valid())
>
> Same comment here as for patch 13/14, this change should be part of patch
> 11/14.
>
> -Nathan

I can do that, at first, I also want to make the changes in one patch, but I posted this patch to see if maintainers can accept this way or another way.

Perry.

>
> > return -ENODEV;
> >
> > cppc_check_hisi_workaround();