linux-kernel - [PATCH v1 18/26] ACPICA: ACPI 6.6: Add

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Message-ID: <1921526.atdPhlSkOF@rafael.j.wysocki>
Date: Wed, 14 Jan 2026 13:32:55 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
 "Dumbre, Saket" <saket.dumbre@...el.com>
Subject: [PATCH v1 18/26] ACPICA: ACPI 6.6: Add _VDM (Voltage Domain) object

From: Pawel Chmielewski <pawel.chmielewski@...el.com>

A processor voltage domain is an identifier that specifies the voltage
plane associated with a given group of processors.

Refer to section 6.2.10. _VDM (Voltage Domain) of ACPI 6.6 specification
for more information.

Link: https://github.com/acpica/acpica/commit/d0dbb157646d
Signed-off-by: Pawel Chmielewski <pawel.chmielewski@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/acpica/acpredef.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index da2c45880cc7..5f70b196e0aa 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -587,6 +587,9 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
 	  METHOD_RETURNS(ACPI_RTYPE_PACKAGE)}},	/* Variable-length (Pkgs) each (var Ints) */
 	PACKAGE_INFO(ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5, 0, 0, 0),

+	{{"_VDM", METHOD_0ARGS,
+	  METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},
+
 	{{"_HRV", METHOD_0ARGS,
 	  METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},

-- 
2.51.0