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

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Date:   Thu, 23 Feb 2023 19:26:30 +0000
From:   "Limonciello, Mario" <Mario.Limonciello@....com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
CC:     "Huang, Ray" <Ray.Huang@....com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] cpufreq: amd-pstate: Let user know amd-pstate is disabled

[Public]



> -----Original Message-----
> From: Kai-Heng Feng <kai.heng.feng@...onical.com>
> Sent: Thursday, February 23, 2023 00:49
> To: Limonciello, Mario <Mario.Limonciello@....com>
> Cc: Huang, Ray <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?

I had thought checkpatch was pedantic about 
commit foo ("reason")

Not a big deal though.

> 
> >
> > > 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;
> > >       }
> > >
> >