linux-kernel - Re: [PATCH] hwmon: (k10temp) Add thermal support for AMD Family 1Ah-based models

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Message-ID: <20250724154423.GA2939389@bhelgaas>
Date: Thu, 24 Jul 2025 10:44:23 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Avadhut Naik <avadhut.naik@....com>
Cc: linux-hwmon@...r.kernel.org, linux@...ck-us.net, jdelvare@...e.com,
	yazen.ghannam@....com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: (k10temp) Add thermal support for AMD Family
 1Ah-based models

On Wed, Jul 23, 2025 at 08:23:38PM +0000, Avadhut Naik wrote:
> Add thermal info support for newer AMD Family 1Ah-based models.
> 
> Signed-off-by: Avadhut Naik <avadhut.naik@....com>
> ---
>  drivers/hwmon/k10temp.c | 2 ++
>  include/linux/pci_ids.h | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
> index babf2413d666..7765cd57d746 100644
> --- a/drivers/hwmon/k10temp.c
> +++ b/drivers/hwmon/k10temp.c
> @@ -556,7 +556,9 @@ static const struct pci_device_id k10temp_id_table[] = {
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_M78H_DF_F3) },
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3) },
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3) },
> +	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M50H_DF_F3) },
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M60H_DF_F3) },
> +	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_1AH_M90H_DF_F3) },
>  	{ PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) },
>  	{}
>  };
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index e2d71b6fdd84..ae87b6c72981 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -583,8 +583,10 @@
>  #define PCI_DEVICE_ID_AMD_19H_M78H_DF_F3 0x12fb
>  #define PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3 0x12c3
>  #define PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3 0x16fb
> +#define PCI_DEVICE_ID_AMD_1AH_M50H_DF_F3 0x12cb
>  #define PCI_DEVICE_ID_AMD_1AH_M60H_DF_F3 0x124b
>  #define PCI_DEVICE_ID_AMD_1AH_M70H_DF_F3 0x12bb
> +#define PCI_DEVICE_ID_AMD_1AH_M90H_DF_F3 0x127b

Per the comment at top:

 *      Do not add new entries to this file unless the definitions
 *      are shared between multiple drivers.

I would suggest adding these #defines to k10temp.c itself.

>  #define PCI_DEVICE_ID_AMD_MI200_DF_F3	0x14d3
>  #define PCI_DEVICE_ID_AMD_MI300_DF_F3	0x152b
>  #define PCI_DEVICE_ID_AMD_VANGOGH_USB	0x163a
> 
> base-commit: a2609b707b58561b9e52f92f3f571d0510201f2f
> -- 
> 2.43.0
>