add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/platform/x86/intel_menlow.c
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@@ -1,25 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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- *  intel_menlow.c - Intel menlow Driver for thermal management extension
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+ *  Intel menlow Driver for thermal management extension
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  *
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  *  Copyright (C) 2008 Intel Corp
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  *  Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com>
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  *  Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com>
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- *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; version 2 of the License.
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- *
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- *  This program is distributed in the hope that it will be useful, but
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- *  WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- *  General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License along
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- *  with this program; if not, write to the Free Software Foundation, Inc.,
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- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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- *
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- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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  *
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  *  This driver creates the sys I/F for programming the sensors.
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  *  It also implements the driver for intel menlow memory controller (hardware
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@@ -29,20 +14,20 @@
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14
 
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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+#include <linux/acpi.h>
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 #include <linux/kernel.h>
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 #include <linux/module.h>
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-#include <linux/init.h>
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-#include <linux/slab.h>
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-#include <linux/types.h>
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 #include <linux/pci.h>
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 #include <linux/pm.h>
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+#include <linux/slab.h>
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 #include <linux/thermal.h>
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-#include <linux/acpi.h>
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+#include <linux/types.h>
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+#include <linux/units.h>
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 MODULE_AUTHOR("Thomas Sujith");
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 MODULE_AUTHOR("Zhang Rui");
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 MODULE_DESCRIPTION("Intel Menlow platform specific driver");
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-MODULE_LICENSE("GPL");
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+MODULE_LICENSE("GPL v2");
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 /*
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  * Memory controller device control
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@@ -196,9 +181,13 @@
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181
 
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 static int intel_menlow_memory_remove(struct acpi_device *device)
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 {
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-	struct thermal_cooling_device *cdev = acpi_driver_data(device);
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+	struct thermal_cooling_device *cdev;
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-	if (!device || !cdev)
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+	if (!device)
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+		return -EINVAL;
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+
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+	cdev = acpi_driver_data(device);
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+	if (!cdev)
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 		return -EINVAL;
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 	sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
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@@ -314,8 +303,10 @@
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 	int result;
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 	result = sensor_get_auxtrip(attr->handle, idx, &value);
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+	if (result)
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+		return result;
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-	return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
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+	return sprintf(buf, "%lu", deci_kelvin_to_celsius(value));
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 }
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 static ssize_t aux0_show(struct device *dev,
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@@ -344,8 +335,8 @@
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 	if (value < 0)
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 		return -EINVAL;
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-	result = sensor_set_auxtrip(attr->handle, idx, 
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-				    CELSIUS_TO_DECI_KELVIN(value));
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+	result = sensor_set_auxtrip(attr->handle, idx,
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+				    celsius_to_deci_kelvin(value));
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 	return result ? result : count;
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 }
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