linux-kernel - [PATCH] firmware/dmi: Include product

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Message-ID: <20260116130315.1724612-1-antoine.lassagne@canonical.com>
Date: Fri, 16 Jan 2026 14:03:15 +0100
From: Antoine Lassagne <antoine.lassagne@...onical.com>
To: jdelvare@...e.com
Cc: linux-kernel@...r.kernel.org,
	Antoine Lassagne <antoine.lassagne@...onical.com>
Subject: [PATCH] firmware/dmi: Include product_family info to modalias

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 
the end of the list.

Signed-off-by: Antoine Lassagne <antoine.lassagne@...onical.com>
---
 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 }
 	};

-- 
2.43.0