Commit 6db176eb authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

ACPI: TAD: Update the driver description comment



Update the preamble comment describing the driver to match the code
after previous changes along with the copyright information.

No functional impact.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/23034847.EfDdHjke4D@rafael.j.wysocki
parent 8a1e7f4b
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+8 −5
Original line number Diff line number Diff line
@@ -2,12 +2,10 @@
/*
 * ACPI Time and Alarm (TAD) Device Driver
 *
 * Copyright (C) 2018 Intel Corporation
 * Copyright (C) 2018 - 2026 Intel Corporation
 * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 *
 * This driver is based on Section 9.18 of the ACPI 6.2 specification revision.
 *
 * It only supports the system wakeup capabilities of the TAD.
 * This driver is based on ACPI 6.6, Section 9.17.
 *
 * Provided are sysfs attributes, available under the TAD platform device,
 * allowing user space to manage the AC and DC wakeup timers of the TAD:
@@ -18,6 +16,11 @@
 *
 * The wakeup events handling and power management of the TAD is expected to
 * be taken care of by the ACPI PM domain attached to its platform device.
 *
 * If the TAD supports the get/set real time features, as indicated by the
 * capability mask returned by _GCP under the TAD object, additional sysfs
 * attributes are created allowing the real time to be set and read and an RTC
 * class device is registered under the TAD platform device.
 */

#include <linux/acpi.h>
@@ -32,7 +35,7 @@ MODULE_DESCRIPTION("ACPI Time and Alarm (TAD) Device Driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Rafael J. Wysocki");

/* ACPI TAD capability flags (ACPI 6.2, Section 9.18.2) */
/* ACPI TAD capability flags (ACPI 6.6, Section 9.17.2) */
#define ACPI_TAD_AC_WAKE	BIT(0)
#define ACPI_TAD_DC_WAKE	BIT(1)
#define ACPI_TAD_RT		BIT(2)