linux-kernel - Re: [PATCH] cpufreq: amd-pstate: Let user know amd-pstate is disabled

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Date:   Thu, 23 Feb 2023 14:49:26 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     Mario Limonciello <mario.limonciello@....com>
Cc:     ray.huang@....com, "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: amd-pstate: Let user know amd-pstate is disabled

On Thu, Feb 23, 2023 at 1:02 PM Mario Limonciello
<mario.limonciello@....com> wrote:
>
> On 2/22/23 19:30, Kai-Heng Feng wrote:
> > Commit 202e683df37c ("cpufreq: amd-pstate: add amd-pstate driver
>
> s/Commit/commit/

I think the first character of the sentence still needs to be capitalized?

>
> > parameter for mode selection") changed the driver to be disabled by
> > default, and this can suprise users.
>
> s/suprise/surprise/

Will change.

>
> >
> > Let users know what happened so they can decide what to do next.
> >
> > BugLink: https://bugs.launchpad.net/bugs/2006942
>
> s/BugLink/Link/
>
> BugLink isn't an official tag, you should use "Link".

Will change.

>
> > Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> > ---
> >   drivers/cpufreq/amd-pstate.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> > index 45c88894fd8e..305f73f657ed 100644
> > --- a/drivers/cpufreq/amd-pstate.c
> > +++ b/drivers/cpufreq/amd-pstate.c
> > @@ -1263,7 +1263,7 @@ static int __init amd_pstate_init(void)
> >        * with amd_pstate=passive or other modes in kernel command line
> >        */
> >       if (cppc_state == AMD_PSTATE_DISABLE) {
> > -             pr_debug("driver load is disabled, boot with specific mode to enable this\n");
> > +             pr_info("amd_pstate is disabled, boot with specific mode to enable this\n");
>
> The file uses `pr_fmt` so this will show up as `amd_pstate: amd_state is
> disabled`.  That's a bit redundant no?

Will change.

Kai-Heng

>
> >               return -ENODEV;
> >       }
> >
>