Re: [PATCH] firmware/dmi: Include product_family info to modalias

From: Jean Delvare

Date: Fri Jan 30 2026 - 05:55:53 EST


Hi Antoine,

On Fri, 16 Jan 2026 14:03:15 +0100, Antoine Lassagne wrote:
> Some platforms rely on modalias to customize configuration,
> the product family helps to identify the hardware.
>
> Add product_family to modalias for better utilization.
> This patch mimics commit e26f023e01ef ("firmware/dmi:
> Include product_sku info to modalias") that did the same
> for product_sku, and commit f97a2103f1a7 ("firmware: dmi:
> Move product_sku info to the end of the modalias") that
> fixed regressions caused by the added field notbeing in

Missing space (no worry, I'll fix it as I commit the patch).

> the end of the list.
>
> Signed-off-by: Antoine Lassagne <antoine.lassagne@xxxxxxxxxxxxx>
> ---
> drivers/firmware/dmi-id.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
> index d19c78a78ae3..6b5c7bf35387 100644
> --- a/drivers/firmware/dmi-id.c
> +++ b/drivers/firmware/dmi-id.c
> @@ -96,6 +96,7 @@ static ssize_t get_modalias(char *buffer, size_t buffer_size)
> { "ct", DMI_CHASSIS_TYPE },
> { "cvr", DMI_CHASSIS_VERSION },
> { "sku", DMI_PRODUCT_SKU },
> + { "pfa", DMI_PRODUCT_FAMILY },
> { NULL, DMI_NONE }
> };
>

Looks reasonable. Out of curiosity, what is your practical use case?

--
Jean Delvare
SUSE L3 Support