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

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Date:   Fri, 20 Jan 2023 17:40:06 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Tim Zimmermann <tim@...ux4.de>, Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.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 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?

> ---
>  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
>