Re: [PATCH v2 2/3] hwmon: (peci/cputemp) Add Intel Sapphire Rapids support

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On Wed, 2023-07-19 at 06:34 -0700, Guenter Roeck wrote:
> On 7/12/23 02:12, Naresh Solanki wrote:
> > From: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> > 
> > Add support to read DTS for reading Intel Sapphire Rapids platform.
> > 
> > Signed-off-by: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> > Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
> 
> I don't know what the plan is to apply this and the next patch, since
> (I assume) it depends on the first patch of the series. Assuming it will
> be applied through the peci tree:
> 
> Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Sure - it can go through the PECI tree once my review comments are addressed.

Thanks
-Iwona

> 
> Guenter
> 
> > ---
> > Changes in V2:
> > - Refactored from previous patchset as seperate patch based on subsystem.
> > ---
> >   drivers/hwmon/peci/cputemp.c | 18 ++++++++++++++++++
> >   1 file changed, 18 insertions(+)
> > 
> > diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c
> > index e5b65a382772..a812c15948d9 100644
> > --- a/drivers/hwmon/peci/cputemp.c
> > +++ b/drivers/hwmon/peci/cputemp.c
> > @@ -363,6 +363,7 @@ static int init_core_mask(struct peci_cputemp *priv)
> >         switch (peci_dev->info.model) {
> >         case INTEL_FAM6_ICELAKE_X:
> >         case INTEL_FAM6_ICELAKE_D:
> > +       case INTEL_FAM6_SAPPHIRERAPIDS_X:
> >                 ret = peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg-
> > >dev,
> >                                              reg->func, reg->offset + 4,
> > &data);
> >                 if (ret)
> > @@ -531,6 +532,13 @@ static struct resolved_cores_reg resolved_cores_reg_icx
> > = {
> >         .offset = 0xd0,
> >   };
> >   
> > +static struct resolved_cores_reg resolved_cores_reg_spr = {
> > +       .bus = 31,
> > +       .dev = 30,
> > +       .func = 6,
> > +       .offset = 0x80,
> > +};
> > +
> >   static const struct cpu_info cpu_hsx = {
> >         .reg            = &resolved_cores_reg_hsx,
> >         .min_peci_revision = 0x33,
> > @@ -549,6 +557,12 @@ static const struct cpu_info cpu_icx = {
> >         .thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
> >   };
> >   
> > +static const struct cpu_info cpu_spr = {
> > +       .reg            = &resolved_cores_reg_spr,
> > +       .min_peci_revision = 0x40,
> > +       .thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
> > +};
> > +
> >   static const struct auxiliary_device_id peci_cputemp_ids[] = {
> >         {
> >                 .name = "peci_cpu.cputemp.hsx",
> > @@ -574,6 +588,10 @@ static const struct auxiliary_device_id
> > peci_cputemp_ids[] = {
> >                 .name = "peci_cpu.cputemp.icxd",
> >                 .driver_data = (kernel_ulong_t)&cpu_icx,
> >         },
> > +       {
> > +               .name = "peci_cpu.cputemp.spr",
> > +               .driver_data = (kernel_ulong_t)&cpu_spr,
> > +       },
> >         { }
> >   };
> >   MODULE_DEVICE_TABLE(auxiliary, peci_cputemp_ids);
> 





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