Re: [PATCH] hwmon: (peci/cputemp) Fix miscalculated DTS for SKX

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On Tue, 2023-03-21 at 10:41 +0100, Paul Menzel wrote:
> Dear Iwona,
> 
> 
> Am 21.03.23 um 10:04 schrieb Iwona Winiarska:
> > For Skylake, DTS temperature of the CPU is reported in S10.6 format
> > instead of S8.8.
> > 
> > Reported-by: Paul Fertser <fercerpav@xxxxxxxxx>
> > Link: https://lore.kernel.org/lkml/ZBhHS7v+98NK56is@xxxxxxxxxxxxxx/
> > Signed-off-by: Iwona Winiarska <iwona.winiarska@xxxxxxxxx>
> > ---
> >   drivers/hwmon/peci/cputemp.c | 8 +++++++-
> >   1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c
> > index 30850a479f61..87d56f0fc888 100644
> > --- a/drivers/hwmon/peci/cputemp.c
> > +++ b/drivers/hwmon/peci/cputemp.c
> > @@ -537,6 +537,12 @@ static const struct cpu_info cpu_hsx = {
> >         .thermal_margin_to_millidegree =
> > &dts_eight_dot_eight_to_millidegree,
> >   };
> >   
> > +static const struct cpu_info cpu_skx = {
> > +       .reg            = &resolved_cores_reg_hsx,
> 
> This is not aligned. Why not only use one space before the equal sign?

Yeah - same alignment problem is present in cpu_hsx and cpu_icx though, so I
just followed along for skx to not stand out visually.
So while I agree that alignment is broken here, I think it might be better to
separate out the potential cleanup from the fix.

Thanks
-Iwona 

> 
> > +       .min_peci_revision = 0x33,
> > +       .thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
> > +};
> > +
> >   static const struct cpu_info cpu_icx = {
> >         .reg            = &resolved_cores_reg_icx,
> >         .min_peci_revision = 0x40,
> > @@ -558,7 +564,7 @@ static const struct auxiliary_device_id
> > peci_cputemp_ids[] = {
> >         },
> >         {
> >                 .name = "peci_cpu.cputemp.skx",
> > -               .driver_data = (kernel_ulong_t)&cpu_hsx,
> > +               .driver_data = (kernel_ulong_t)&cpu_skx,
> >         },
> >         {
> >                 .name = "peci_cpu.cputemp.icx",
> 
> 
> Kind regards,
> 
> Paul





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