linux-kernel - Re: [RFC PATCH] hwmon/k10temp: Add Hygon Dhyana support

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Message-ID: <20181208155559.GA27489@roeck-us.net>
Date:   Sat, 8 Dec 2018 07:55:59 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Pu Wen <puwen@...on.cn>
Cc:     clemens@...isch.de, jdelvare@...e.com, bp@...en8.de,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] hwmon/k10temp: Add Hygon Dhyana support

On Sat, Dec 08, 2018 at 02:33:28PM +0800, Pu Wen wrote:
> Add support for Hygon Dhyana family 18h processor for k10temp to get the
> temperature. As Hygon Dhyana shares the same function interface with AMD
> family 17h, so add Hygon PCI Vendor ID and reuse the code path of AMD.
> 
> Signed-off-by: Pu Wen <puwen@...on.cn>
> Acked-by: Borislav Petkov <bp@...e.de>

Applied to hwmon-next.

If the Hygon CPUs have Tctl/Tdie temperature offsets similar to some
of the AMD CPUs, please submit follow-up patches as necessary to add
support for it.

Thanks,
Guenter

> ---
>  drivers/hwmon/k10temp.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
> index 2cef0c3..e24ba10 100644
> --- a/drivers/hwmon/k10temp.c
> +++ b/drivers/hwmon/k10temp.c
> @@ -330,7 +330,7 @@ static int k10temp_probe(struct pci_dev *pdev,
>  	     (boot_cpu_data.x86_model & 0xf0) == 0x70)) {
>  		data->read_htcreg = read_htcreg_nb_f15;
>  		data->read_tempreg = read_tempreg_nb_f15;
> -	} else if (boot_cpu_data.x86 == 0x17) {
> +	} else if (boot_cpu_data.x86 == 0x17 || boot_cpu_data.x86 == 0x18) {
>  		data->temp_adjust_mask = 0x80000;
>  		data->read_tempreg = read_tempreg_nb_f17;
>  		data->show_tdie = true;
> @@ -367,6 +367,7 @@ static const struct pci_device_id k10temp_id_table[] = {
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) },
>  	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M10H_DF_F3) },
> +	{ PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) },
>  	{}
>  };
>  MODULE_DEVICE_TABLE(pci, k10temp_id_table);