linux-kernel - [RFT][PATCH v1 1/6] ACPI: EC: Register a platform device for ECDT EC

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Message-ID: <2397353.ElGaqSPkdT@rafael.j.wysocki>
Date: Thu, 11 Dec 2025 15:16:37 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Linux PM <linux-pm@...r.kernel.org>,
 Armin Wolf <w_armin@....de>, Hans de Goede <hansg@...nel.org>
Subject: [RFT][PATCH v1 1/6] ACPI: EC: Register a platform device for ECDT EC

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

To facilitate converting the ACPI EC driver into a platform one,
modify acpi_bus_register_early_device(), used by acpi_ec_ecdt_start()
for creating a struct acpi_device to represent the "early" EC based
on the ECDT ACPI table, to carry out the default ACPI enumeration for
the given device which will cause a platform device to be registered
for it.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/scan.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2643,6 +2643,8 @@ int acpi_bus_register_early_device(int t
 	if (result)
 		return result;

+	acpi_default_enumeration(device);
+
 	device->flags.match_driver = true;
 	return device_attach(&device->dev);
 }