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-rw-r--r--drivers/thermal/thermal_acpi.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/thermal/thermal_acpi.c b/drivers/thermal/thermal_acpi.c
deleted file mode 100644
index 43eaf0f2ff49..000000000000
--- a/drivers/thermal/thermal_acpi.c
+++ /dev/null
@@ -1,116 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2023 Linaro Limited
- * Copyright 2023 Intel Corporation
- *
- * Library routines for populating a generic thermal trip point structure
- * with data obtained by evaluating a specific object in the ACPI Namespace.
- */
-#include <linux/acpi.h>
-#include <linux/units.h>
-#include <linux/thermal.h>
-
-/*
- * Minimum temperature for full military grade is 218°K (-55°C) and
- * max temperature is 448°K (175°C). We can consider those values as
- * the boundaries for the [trips] temperature returned by the
- * firmware. Any values out of these boundaries may be considered
- * bogus and we can assume the firmware has no data to provide.
- */
-#define TEMP_MIN_DECIK 2180
-#define TEMP_MAX_DECIK 4480
-
-static int thermal_acpi_trip_temp(struct acpi_device *adev, char *obj_name,
- int *ret_temp)
-{
- unsigned long long temp;
- acpi_status status;
-
- status = acpi_evaluate_integer(adev->handle, obj_name, NULL, &temp);
- if (ACPI_FAILURE(status)) {
- acpi_handle_debug(adev->handle, "%s evaluation failed\n", obj_name);
- return -ENODATA;
- }
-
- if (temp >= TEMP_MIN_DECIK && temp <= TEMP_MAX_DECIK) {
- *ret_temp = deci_kelvin_to_millicelsius(temp);
- } else {
- acpi_handle_debug(adev->handle, "%s result %llu out of range\n",
- obj_name, temp);
- *ret_temp = THERMAL_TEMP_INVALID;
- }
-
- return 0;
-}
-
-/**
- * thermal_acpi_active_trip_temp - Retrieve active trip point temperature
- * @adev: Target thermal zone ACPI device object.
- * @id: Active cooling level (0 - 9).
- * @ret_temp: Address to store the retrieved temperature value on success.
- *
- * Evaluate the _ACx object for the thermal zone represented by @adev to obtain
- * the temperature of the active cooling trip point corresponding to the active
- * cooling level given by @id.
- *
- * Return 0 on success or a negative error value on failure.
- */
-int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp)
-{
- char obj_name[] = {'_', 'A', 'C', '0' + id, '\0'};
-
- if (id < 0 || id > 9)
- return -EINVAL;
-
- return thermal_acpi_trip_temp(adev, obj_name, ret_temp);
-}
-EXPORT_SYMBOL_GPL(thermal_acpi_active_trip_temp);
-
-/**
- * thermal_acpi_passive_trip_temp - Retrieve passive trip point temperature
- * @adev: Target thermal zone ACPI device object.
- * @ret_temp: Address to store the retrieved temperature value on success.
- *
- * Evaluate the _PSV object for the thermal zone represented by @adev to obtain
- * the temperature of the passive cooling trip point.
- *
- * Return 0 on success or -ENODATA on failure.
- */
-int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp)
-{
- return thermal_acpi_trip_temp(adev, "_PSV", ret_temp);
-}
-EXPORT_SYMBOL_GPL(thermal_acpi_passive_trip_temp);
-
-/**
- * thermal_acpi_hot_trip_temp - Retrieve hot trip point temperature
- * @adev: Target thermal zone ACPI device object.
- * @ret_temp: Address to store the retrieved temperature value on success.
- *
- * Evaluate the _HOT object for the thermal zone represented by @adev to obtain
- * the temperature of the trip point at which the system is expected to be put
- * into the S4 sleep state.
- *
- * Return 0 on success or -ENODATA on failure.
- */
-int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp)
-{
- return thermal_acpi_trip_temp(adev, "_HOT", ret_temp);
-}
-EXPORT_SYMBOL_GPL(thermal_acpi_hot_trip_temp);
-
-/**
- * thermal_acpi_critical_trip_temp - Retrieve critical trip point temperature
- * @adev: Target thermal zone ACPI device object.
- * @ret_temp: Address to store the retrieved temperature value on success.
- *
- * Evaluate the _CRT object for the thermal zone represented by @adev to obtain
- * the temperature of the critical cooling trip point.
- *
- * Return 0 on success or -ENODATA on failure.
- */
-int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp)
-{
- return thermal_acpi_trip_temp(adev, "_CRT", ret_temp);
-}
-EXPORT_SYMBOL_GPL(thermal_acpi_critical_trip_temp);