linux-kernel - Re: [PATCH] thermal: intel: pch: Add support for Wellsburg PCH

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Date:   Fri, 20 Jan 2023 09:50:39 -0800
From:   srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Tim Zimmermann <tim@...ux4.de>, Zhang Rui <rui.zhang@...el.com>
Cc:     Tushar Dave <tushar.n.dave@...el.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: intel: pch: Add support for Wellsburg PCH

On Fri, 2023-01-20 at 17:40 +0100, Rafael J. Wysocki wrote:
> On Sat, Jan 7, 2023 at 8:42 PM Tim Zimmermann <tim@...ux4.de> wrote:
> > 
> > This adds the PCI ID for the Wellsburg C610 series chipset PCH. The
> > driver can read the temperature from the Wellsburg PCH with only
> > the PCI
> > ID added and no other modifications.
> > 
> > Signed-off-by: Tim Zimmermann <tim@...ux4.de>
> 
> Rui, Srinivas, any objections to this one?
No objection.

Thanks,
Srinivas

> 
> > ---
> >  drivers/thermal/intel/intel_pch_thermal.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/drivers/thermal/intel/intel_pch_thermal.c
> > b/drivers/thermal/intel/intel_pch_thermal.c
> > index dabf11a687a1..9e27f430e034 100644
> > --- a/drivers/thermal/intel/intel_pch_thermal.c
> > +++ b/drivers/thermal/intel/intel_pch_thermal.c
> > @@ -29,6 +29,7 @@
> >  #define PCH_THERMAL_DID_CNL_LP 0x02F9 /* CNL-LP PCH */
> >  #define PCH_THERMAL_DID_CML_H  0X06F9 /* CML-H PCH */
> >  #define PCH_THERMAL_DID_LWB    0xA1B1 /* Lewisburg PCH */
> > +#define PCH_THERMAL_DID_WBG    0x8D24 /* Wellsburg PCH */
> > 
> >  /* Wildcat Point-LP  PCH Thermal registers */
> >  #define WPT_TEMP       0x0000  /* Temperature */
> > @@ -350,6 +351,7 @@ enum board_ids {
> >         board_cnl,
> >         board_cml,
> >         board_lwb,
> > +       board_wbg,
> >  };
> > 
> >  static const struct board_info {
> > @@ -380,6 +382,10 @@ static const struct board_info {
> >                 .name = "pch_lewisburg",
> >                 .ops = &pch_dev_ops_wpt,
> >         },
> > +       [board_wbg] = {
> > +               .name = "pch_wellsburg",
> > +               .ops = &pch_dev_ops_wpt,
> > +       },
> >  };
> > 
> >  static int intel_pch_thermal_probe(struct pci_dev *pdev,
> > @@ -495,6 +501,8 @@ static const struct pci_device_id
> > intel_pch_thermal_id[] = {
> >                 .driver_data = board_cml, },
> >         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCH_THERMAL_DID_LWB),
> >                 .driver_data = board_lwb, },
> > +       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCH_THERMAL_DID_WBG),
> > +               .driver_data = board_wbg, },
> >         { 0, },
> >  };
> >  MODULE_DEVICE_TABLE(pci, intel_pch_thermal_id);
> > --
> > 2.39.0
> >