Merge /spare/repo/linux-2.6/

1 files changed, 400 insertions, 401 deletions

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 79c3a686bc4..a24847c08f7 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -70,9 +70,9 @@
 #define CELSIUS_TO_KELVIN(t)	((t+273)*10)
 
 #define _COMPONENT		ACPI_THERMAL_COMPONENT
-ACPI_MODULE_NAME		("acpi_thermal")
+ACPI_MODULE_NAME("acpi_thermal")
 
-MODULE_AUTHOR("Paul Diefenbaugh");
+    MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION(ACPI_THERMAL_DRIVER_NAME);
 MODULE_LICENSE("GPL");
 
@@ -80,143 +80,145 @@ static int tzp;
 module_param(tzp, int, 0);
 MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n");
 
-
-static int acpi_thermal_add (struct acpi_device *device);
-static int acpi_thermal_remove (struct acpi_device *device, int type);
+static int acpi_thermal_add(struct acpi_device *device);
+static int acpi_thermal_remove(struct acpi_device *device, int type);
 static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
-static ssize_t acpi_thermal_write_trip_points (struct file*,const char __user *,size_t,loff_t *);
+static ssize_t acpi_thermal_write_trip_points(struct file *,
+					      const char __user *, size_t,
+					      loff_t *);
 static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file);
-static ssize_t acpi_thermal_write_cooling_mode (struct file*,const char __user *,size_t,loff_t *);
+static ssize_t acpi_thermal_write_cooling_mode(struct file *,
+					       const char __user *, size_t,
+					       loff_t *);
 static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file);
-static ssize_t acpi_thermal_write_polling(struct file*,const char __user *,size_t,loff_t *);
+static ssize_t acpi_thermal_write_polling(struct file *, const char __user *,
+					  size_t, loff_t *);
 
 static struct acpi_driver acpi_thermal_driver = {
-	.name =		ACPI_THERMAL_DRIVER_NAME,
-	.class =	ACPI_THERMAL_CLASS,
-	.ids =		ACPI_THERMAL_HID,
-	.ops =		{
-				.add =		acpi_thermal_add,
-				.remove =	acpi_thermal_remove,
-			},
+	.name = ACPI_THERMAL_DRIVER_NAME,
+	.class = ACPI_THERMAL_CLASS,
+	.ids = ACPI_THERMAL_HID,
+	.ops = {
+		.add = acpi_thermal_add,
+		.remove = acpi_thermal_remove,
+		},
 };
 
 struct acpi_thermal_state {
-	u8			critical:1;
-	u8			hot:1;
-	u8			passive:1;
-	u8			active:1;
-	u8			reserved:4;
-	int			active_index;
+	u8 critical:1;
+	u8 hot:1;
+	u8 passive:1;
+	u8 active:1;
+	u8 reserved:4;
+	int active_index;
 };
 
 struct acpi_thermal_state_flags {
-	u8			valid:1;
-	u8			enabled:1;
-	u8			reserved:6;
+	u8 valid:1;
+	u8 enabled:1;
+	u8 reserved:6;
 };
 
 struct acpi_thermal_critical {
 	struct acpi_thermal_state_flags flags;
-	unsigned long		temperature;
+	unsigned long temperature;
 };
 
 struct acpi_thermal_hot {
 	struct acpi_thermal_state_flags flags;
-	unsigned long		temperature;
+	unsigned long temperature;
 };
 
 struct acpi_thermal_passive {
 	struct acpi_thermal_state_flags flags;
-	unsigned long		temperature;
-	unsigned long		tc1;
-	unsigned long		tc2;
-	unsigned long		tsp;
-	struct acpi_handle_list	devices;
+	unsigned long temperature;
+	unsigned long tc1;
+	unsigned long tc2;
+	unsigned long tsp;
+	struct acpi_handle_list devices;
 };
 
 struct acpi_thermal_active {
 	struct acpi_thermal_state_flags flags;
-	unsigned long		temperature;
-	struct acpi_handle_list	devices;
+	unsigned long temperature;
+	struct acpi_handle_list devices;
 };
 
 struct acpi_thermal_trips {
 	struct acpi_thermal_critical critical;
-	struct acpi_thermal_hot	hot;
+	struct acpi_thermal_hot hot;
 	struct acpi_thermal_passive passive;
 	struct acpi_thermal_active active[ACPI_THERMAL_MAX_ACTIVE];
 };
 
 struct acpi_thermal_flags {
-	u8			cooling_mode:1;		/* _SCP */
-	u8			devices:1;		/* _TZD */
-	u8			reserved:6;
+	u8 cooling_mode:1;	/* _SCP */
+	u8 devices:1;		/* _TZD */
+	u8 reserved:6;
 };
 
 struct acpi_thermal {
-	acpi_handle		handle;
-	acpi_bus_id		name;
-	unsigned long		temperature;
-	unsigned long		last_temperature;
-	unsigned long		polling_frequency;
-	u8			cooling_mode;
-	volatile u8		zombie;
+	acpi_handle handle;
+	acpi_bus_id name;
+	unsigned long temperature;
+	unsigned long last_temperature;
+	unsigned long polling_frequency;
+	u8 cooling_mode;
+	volatile u8 zombie;
 	struct acpi_thermal_flags flags;
 	struct acpi_thermal_state state;
 	struct acpi_thermal_trips trips;
-	struct acpi_handle_list	devices;
-	struct timer_list	timer;
+	struct acpi_handle_list devices;
+	struct timer_list timer;
 };
 
 static struct file_operations acpi_thermal_state_fops = {
-	.open		= acpi_thermal_state_open_fs,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
+	.open = acpi_thermal_state_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
 };
 
 static struct file_operations acpi_thermal_temp_fops = {
-	.open		= acpi_thermal_temp_open_fs,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
+	.open = acpi_thermal_temp_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
 };
 
 static struct file_operations acpi_thermal_trip_fops = {
-	.open		= acpi_thermal_trip_open_fs,
-	.read		= seq_read,
-	.write		= acpi_thermal_write_trip_points,
-	.llseek		= seq_lseek,
-	.release	= single_release,
+	.open = acpi_thermal_trip_open_fs,
+	.read = seq_read,
+	.write = acpi_thermal_write_trip_points,
+	.llseek = seq_lseek,
+	.release = single_release,
 };
 
 static struct file_operations acpi_thermal_cooling_fops = {
-	.open		= acpi_thermal_cooling_open_fs,
-	.read		= seq_read,
-	.write		= acpi_thermal_write_cooling_mode,
-	.llseek		= seq_lseek,
-	.release	= single_release,
+	.open = acpi_thermal_cooling_open_fs,
+	.read = seq_read,
+	.write = acpi_thermal_write_cooling_mode,
+	.llseek = seq_lseek,
+	.release = single_release,
 };
 
 static struct file_operations acpi_thermal_polling_fops = {
-	.open		= acpi_thermal_polling_open_fs,
-	.read		= seq_read,
-	.write		= acpi_thermal_write_polling,
-	.llseek		= seq_lseek,
-	.release	= single_release,
+	.open = acpi_thermal_polling_open_fs,
+	.read = seq_read,
+	.write = acpi_thermal_write_polling,
+	.llseek = seq_lseek,
+	.release = single_release,
 };
 
 /* --------------------------------------------------------------------------
                              Thermal Zone Management
    -------------------------------------------------------------------------- */
 
-static int
-acpi_thermal_get_temperature (
-	struct acpi_thermal *tz)
+static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
 {
-	acpi_status		status = AE_OK;
+	acpi_status status = AE_OK;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_get_temperature");
 
@@ -225,41 +227,39 @@ acpi_thermal_get_temperature (
 
 	tz->last_temperature = tz->temperature;
 
-	status = acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature);
+	status =
+	    acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature);
 	if (ACPI_FAILURE(status))
 		return_VALUE(-ENODEV);
 
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n", tz->temperature));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n",
+			  tz->temperature));
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_get_polling_frequency (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
 {
-	acpi_status		status = AE_OK;
+	acpi_status status = AE_OK;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_get_polling_frequency");
 
 	if (!tz)
 		return_VALUE(-EINVAL);
 
-	status = acpi_evaluate_integer(tz->handle, "_TZP", NULL, &tz->polling_frequency);
+	status =
+	    acpi_evaluate_integer(tz->handle, "_TZP", NULL,
+				  &tz->polling_frequency);
 	if (ACPI_FAILURE(status))
 		return_VALUE(-ENODEV);
 
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n", tz->polling_frequency));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n",
+			  tz->polling_frequency));
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_set_polling (
-	struct acpi_thermal	*tz,
-	int			seconds)
+static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds)
 {
 	ACPI_FUNCTION_TRACE("acpi_thermal_set_polling");
 
@@ -268,21 +268,19 @@ acpi_thermal_set_polling (
 
 	tz->polling_frequency = seconds * 10;	/* Convert value to deci-seconds */
 
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency set to %lu seconds\n", tz->polling_frequency));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+			  "Polling frequency set to %lu seconds\n",
+			  tz->polling_frequency));
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_set_cooling_mode (
-	struct acpi_thermal	*tz,
-	int			mode)
+static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
 {
-	acpi_status		status = AE_OK;
-	union acpi_object	arg0 = {ACPI_TYPE_INTEGER};
-	struct acpi_object_list	arg_list = {1, &arg0};
-	acpi_handle		handle = NULL;
+	acpi_status status = AE_OK;
+	union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+	struct acpi_object_list arg_list = { 1, &arg0 };
+	acpi_handle handle = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_set_cooling_mode");
 
@@ -303,19 +301,16 @@ acpi_thermal_set_cooling_mode (
 
 	tz->cooling_mode = mode;
 
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n", 
-		mode?"passive":"active"));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n",
+			  mode ? "passive" : "active"));
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_get_trip_points (
-	struct acpi_thermal *tz)
+static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
 {
-	acpi_status		status = AE_OK;
-	int			i = 0;
+	acpi_status status = AE_OK;
+	int i = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_get_trip_points");
 
@@ -324,111 +319,128 @@ acpi_thermal_get_trip_points (
 
 	/* Critical Shutdown (required) */
 
-	status = acpi_evaluate_integer(tz->handle, "_CRT", NULL, 
-		&tz->trips.critical.temperature);
+	status = acpi_evaluate_integer(tz->handle, "_CRT", NULL,
+				       &tz->trips.critical.temperature);
 	if (ACPI_FAILURE(status)) {
 		tz->trips.critical.flags.valid = 0;
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No critical threshold\n"));
 		return_VALUE(-ENODEV);
-	}
-	else {
+	} else {
 		tz->trips.critical.flags.valid = 1;
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found critical threshold [%lu]\n", tz->trips.critical.temperature));
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "Found critical threshold [%lu]\n",
+				  tz->trips.critical.temperature));
 	}
 
 	/* Critical Sleep (optional) */
 
-	status = acpi_evaluate_integer(tz->handle, "_HOT", NULL, &tz->trips.hot.temperature);
+	status =
+	    acpi_evaluate_integer(tz->handle, "_HOT", NULL,
+				  &tz->trips.hot.temperature);
 	if (ACPI_FAILURE(status)) {
 		tz->trips.hot.flags.valid = 0;
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No hot threshold\n"));
-	}
-	else {
+	} else {
 		tz->trips.hot.flags.valid = 1;
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found hot threshold [%lu]\n", tz->trips.hot.temperature));
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found hot threshold [%lu]\n",
+				  tz->trips.hot.temperature));
 	}
 
 	/* Passive: Processors (optional) */
 
-	status = acpi_evaluate_integer(tz->handle, "_PSV", NULL, &tz->trips.passive.temperature);
+	status =
+	    acpi_evaluate_integer(tz->handle, "_PSV", NULL,
+				  &tz->trips.passive.temperature);
 	if (ACPI_FAILURE(status)) {
 		tz->trips.passive.flags.valid = 0;
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No passive threshold\n"));
-	}
-	else {
+	} else {
 		tz->trips.passive.flags.valid = 1;
 
-		status = acpi_evaluate_integer(tz->handle, "_TC1", NULL, &tz->trips.passive.tc1);
+		status =
+		    acpi_evaluate_integer(tz->handle, "_TC1", NULL,
+					  &tz->trips.passive.tc1);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
-		status = acpi_evaluate_integer(tz->handle, "_TC2", NULL, &tz->trips.passive.tc2);
+		status =
+		    acpi_evaluate_integer(tz->handle, "_TC2", NULL,
+					  &tz->trips.passive.tc2);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
-		status = acpi_evaluate_integer(tz->handle, "_TSP", NULL, &tz->trips.passive.tsp);
+		status =
+		    acpi_evaluate_integer(tz->handle, "_TSP", NULL,
+					  &tz->trips.passive.tsp);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
-		status = acpi_evaluate_reference(tz->handle, "_PSL", NULL, &tz->trips.passive.devices);
+		status =
+		    acpi_evaluate_reference(tz->handle, "_PSL", NULL,
+					    &tz->trips.passive.devices);
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 
 		if (!tz->trips.passive.flags.valid)
-			ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid passive threshold\n"));
+			ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+					  "Invalid passive threshold\n"));
 		else
-			ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found passive threshold [%lu]\n", tz->trips.passive.temperature));
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "Found passive threshold [%lu]\n",
+					  tz->trips.passive.temperature));
 	}
 
 	/* Active: Fans, etc. (optional) */
 
-	for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) {
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 
-		char name[5] = {'_','A','C',('0'+i),'\0'};
+		char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
 
-		status = acpi_evaluate_integer(tz->handle, name, NULL, &tz->trips.active[i].temperature);
+		status =
+		    acpi_evaluate_integer(tz->handle, name, NULL,
+					  &tz->trips.active[i].temperature);
 		if (ACPI_FAILURE(status))
 			break;
 
 		name[2] = 'L';
-		status = acpi_evaluate_reference(tz->handle, name, NULL, &tz->trips.active[i].devices);
+		status =
+		    acpi_evaluate_reference(tz->handle, name, NULL,
+					    &tz->trips.active[i].devices);
 		if (ACPI_SUCCESS(status)) {
 			tz->trips.active[i].flags.valid = 1;
-			ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found active threshold [%d]:[%lu]\n", i, tz->trips.active[i].temperature));
-		}
-		else
-			ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid active threshold [%d]\n", i));
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "Found active threshold [%d]:[%lu]\n",
+					  i, tz->trips.active[i].temperature));
+		} else
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+					  "Invalid active threshold [%d]\n",
+					  i));
 	}
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_get_devices (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_get_devices(struct acpi_thermal *tz)
 {
-	acpi_status		status = AE_OK;
+	acpi_status status = AE_OK;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_get_devices");
 
 	if (!tz)
 		return_VALUE(-EINVAL);
 
-	status = acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices);
+	status =
+	    acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices);
 	if (ACPI_FAILURE(status))
 		return_VALUE(-ENODEV);
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_call_usermode (
-	char			*path)
+static int acpi_thermal_call_usermode(char *path)
 {
-	char			*argv[2] = {NULL, NULL};
-	char			*envp[3] = {NULL, NULL, NULL};
+	char *argv[2] = { NULL, NULL };
+	char *envp[3] = { NULL, NULL, NULL };
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_call_usermode");
 
@@ -440,19 +452,16 @@ acpi_thermal_call_usermode (
 	/* minimal command environment */
 	envp[0] = "HOME=/";
 	envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
-	
+
 	call_usermodehelper(argv[0], argv, envp, 0);
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_critical (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_critical(struct acpi_thermal *tz)
 {
-	int			result = 0;
-	struct acpi_device	*device = NULL;
+	int result = 0;
+	struct acpi_device *device = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_critical");
 
@@ -462,29 +471,28 @@ acpi_thermal_critical (
 	if (tz->temperature >= tz->trips.critical.temperature) {
 		ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Critical trip point\n"));
 		tz->trips.critical.flags.enabled = 1;
-	}
-	else if (tz->trips.critical.flags.enabled)
+	} else if (tz->trips.critical.flags.enabled)
 		tz->trips.critical.flags.enabled = 0;
 
 	result = acpi_bus_get_device(tz->handle, &device);
 	if (result)
 		return_VALUE(result);
 
-	printk(KERN_EMERG "Critical temperature reached (%ld C), shutting down.\n", KELVIN_TO_CELSIUS(tz->temperature));
-	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled);
+	printk(KERN_EMERG
+	       "Critical temperature reached (%ld C), shutting down.\n",
+	       KELVIN_TO_CELSIUS(tz->temperature));
+	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL,
+				tz->trips.critical.flags.enabled);
 
 	acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF);
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_hot (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_hot(struct acpi_thermal *tz)
 {
-	int			result = 0;
-	struct acpi_device	*device = NULL;
+	int result = 0;
+	struct acpi_device *device = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_hot");
 
@@ -494,30 +502,27 @@ acpi_thermal_hot (
 	if (tz->temperature >= tz->trips.hot.temperature) {
 		ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Hot trip point\n"));
 		tz->trips.hot.flags.enabled = 1;
-	}
-	else if (tz->trips.hot.flags.enabled)
+	} else if (tz->trips.hot.flags.enabled)
 		tz->trips.hot.flags.enabled = 0;
 
 	result = acpi_bus_get_device(tz->handle, &device);
 	if (result)
 		return_VALUE(result);
 
-	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled);
+	acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT,
+				tz->trips.hot.flags.enabled);
 
 	/* TBD: Call user-mode "sleep(S4)" function */
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_passive (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_passive(struct acpi_thermal *tz)
 {
-	int			result = 0;
+	int result = 0;
 	struct acpi_thermal_passive *passive = NULL;
-	int			trend = 0;
-	int			i = 0;
+	int trend = 0;
+	int i = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_passive");
 
@@ -534,25 +539,29 @@ acpi_thermal_passive (
 	 * accordingly.  Note that we assume symmetry.
 	 */
 	if (tz->temperature >= passive->temperature) {
-		trend = (passive->tc1 * (tz->temperature - tz->last_temperature)) + (passive->tc2 * (tz->temperature - passive->temperature));
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, 
-			"trend[%d]=(tc1[%lu]*(tmp[%lu]-last[%lu]))+(tc2[%lu]*(tmp[%lu]-psv[%lu]))\n", 
-			trend, passive->tc1, tz->temperature, 
-			tz->last_temperature, passive->tc2, 
-			tz->temperature, passive->temperature));
+		trend =
+		    (passive->tc1 * (tz->temperature - tz->last_temperature)) +
+		    (passive->tc2 * (tz->temperature - passive->temperature));
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "trend[%d]=(tc1[%lu]*(tmp[%lu]-last[%lu]))+(tc2[%lu]*(tmp[%lu]-psv[%lu]))\n",
+				  trend, passive->tc1, tz->temperature,
+				  tz->last_temperature, passive->tc2,
+				  tz->temperature, passive->temperature));
 		tz->trips.passive.flags.enabled = 1;
 		/* Heating up? */
 		if (trend > 0)
-			for (i=0; i<passive->devices.count; i++)
-				acpi_processor_set_thermal_limit(
-					passive->devices.handles[i], 
-					ACPI_PROCESSOR_LIMIT_INCREMENT);
+			for (i = 0; i < passive->devices.count; i++)
+				acpi_processor_set_thermal_limit(passive->
+								 devices.
+								 handles[i],
+								 ACPI_PROCESSOR_LIMIT_INCREMENT);
 		/* Cooling off? */
 		else if (trend < 0)
-			for (i=0; i<passive->devices.count; i++)
-				acpi_processor_set_thermal_limit(
-					passive->devices.handles[i], 
-					ACPI_PROCESSOR_LIMIT_DECREMENT);
+			for (i = 0; i < passive->devices.count; i++)
+				acpi_processor_set_thermal_limit(passive->
+								 devices.
+								 handles[i],
+								 ACPI_PROCESSOR_LIMIT_DECREMENT);
 	}
 
 	/*
@@ -563,37 +572,35 @@ acpi_thermal_passive (
 	 * assume symmetry.
 	 */
 	else if (tz->trips.passive.flags.enabled) {
-		for (i=0; i<passive->devices.count; i++)
-			result = acpi_processor_set_thermal_limit(
-				passive->devices.handles[i], 
-				ACPI_PROCESSOR_LIMIT_DECREMENT);
+		for (i = 0; i < passive->devices.count; i++)
+			result =
+			    acpi_processor_set_thermal_limit(passive->devices.
+							     handles[i],
+							     ACPI_PROCESSOR_LIMIT_DECREMENT);
 		if (result == 1) {
 			tz->trips.passive.flags.enabled = 0;
-			ACPI_DEBUG_PRINT((ACPI_DB_INFO, 
-				"Disabling passive cooling (zone is cool)\n"));
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "Disabling passive cooling (zone is cool)\n"));
 		}
 	}
 
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_active (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_active(struct acpi_thermal *tz)
 {
-	int			result = 0;
+	int result = 0;
 	struct acpi_thermal_active *active = NULL;
-	int                     i = 0;
-	int			j = 0;
-	unsigned long		maxtemp = 0;
+	int i = 0;
+	int j = 0;
+	unsigned long maxtemp = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_active");
 
 	if (!tz)
 		return_VALUE(-EINVAL);
 
-	for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++) {
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
 
 		active = &(tz->trips.active[i]);
 		if (!active || !active->flags.valid)
@@ -607,16 +614,27 @@ acpi_thermal_active (
 		 */
 		if (tz->temperature >= active->temperature) {
 			if (active->temperature > maxtemp)
-				tz->state.active_index = i, maxtemp = active->temperature;
+				tz->state.active_index = i, maxtemp =
+				    active->temperature;
 			if (!active->flags.enabled) {
 				for (j = 0; j < active->devices.count; j++) {
-					result = acpi_bus_set_power(active->devices.handles[j], ACPI_STATE_D0);
+					result =
+					    acpi_bus_set_power(active->devices.
+							       handles[j],
+							       ACPI_STATE_D0);
 					if (result) {
-						ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Unable to turn cooling device [%p] 'on'\n", active->devices.handles[j]));
+						ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+								  "Unable to turn cooling device [%p] 'on'\n",
+								  active->
+								  devices.
+								  handles[j]));
 						continue;
 					}
 					active->flags.enabled = 1;
-					ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling device [%p] now 'on'\n", active->devices.handles[j]));
+					ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+							  "Cooling device [%p] now 'on'\n",
+							  active->devices.
+							  handles[j]));
 				}
 			}
 		}
@@ -628,13 +646,21 @@ acpi_thermal_active (
 		 */
 		else if (active->flags.enabled) {
 			for (j = 0; j < active->devices.count; j++) {
-				result = acpi_bus_set_power(active->devices.handles[j], ACPI_STATE_D3);
+				result =
+				    acpi_bus_set_power(active->devices.
+						       handles[j],
+						       ACPI_STATE_D3);
 				if (result) {
-					ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Unable to turn cooling device [%p] 'off'\n", active->devices.handles[j]));
+					ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+							  "Unable to turn cooling device [%p] 'off'\n",
+							  active->devices.
+							  handles[j]));
 					continue;
 				}
 				active->flags.enabled = 0;
-				ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling device [%p] now 'off'\n", active->devices.handles[j]));
+				ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+						  "Cooling device [%p] now 'off'\n",
+						  active->devices.handles[j]));
 			}
 		}
 	}
@@ -642,28 +668,22 @@ acpi_thermal_active (
 	return_VALUE(0);
 }
 
+static void acpi_thermal_check(void *context);
 
-static void acpi_thermal_check (void *context);
-
-static void
-acpi_thermal_run (
-	unsigned long		data)
+static void acpi_thermal_run(unsigned long data)
 {
 	struct acpi_thermal *tz = (struct acpi_thermal *)data;
 	if (!tz->zombie)
-		acpi_os_queue_for_execution(OSD_PRIORITY_GPE,  
-			acpi_thermal_check, (void *) data);
+		acpi_os_queue_for_execution(OSD_PRIORITY_GPE,
+					    acpi_thermal_check, (void *)data);
 }
 
-
-static void
-acpi_thermal_check (
-	void                    *data)
+static void acpi_thermal_check(void *data)
 {
-	int			result = 0;
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	unsigned long		sleep_time = 0;
-	int			i = 0;
+	int result = 0;
+	struct acpi_thermal *tz = (struct acpi_thermal *)data;
+	unsigned long sleep_time = 0;
+	int i = 0;
 	struct acpi_thermal_state state;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_check");
@@ -678,9 +698,9 @@ acpi_thermal_check (
 	result = acpi_thermal_get_temperature(tz);
 	if (result)
 		return_VOID;
-	
+
 	memset(&tz->state, 0, sizeof(tz->state));
-	
+
 	/*
 	 * Check Trip Points
 	 * -----------------
@@ -690,14 +710,18 @@ acpi_thermal_check (
 	 * individual policy decides when it is exited (e.g. hysteresis).
 	 */
 	if (tz->trips.critical.flags.valid)
-		state.critical |= (tz->temperature >= tz->trips.critical.temperature);
+		state.critical |=
+		    (tz->temperature >= tz->trips.critical.temperature);
 	if (tz->trips.hot.flags.valid)
 		state.hot |= (tz->temperature >= tz->trips.hot.temperature);
 	if (tz->trips.passive.flags.valid)
-		state.passive |= (tz->temperature >= tz->trips.passive.temperature);
-	for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++)
+		state.passive |=
+		    (tz->temperature >= tz->trips.passive.temperature);
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
 		if (tz->trips.active[i].flags.valid)
-			state.active |= (tz->temperature >= tz->trips.active[i].temperature);
+			state.active |=
+			    (tz->temperature >=
+			     tz->trips.active[i].temperature);
 
 	/*
 	 * Invoke Policy
@@ -726,7 +750,7 @@ acpi_thermal_check (
 		tz->state.hot = 1;
 	if (tz->trips.passive.flags.enabled)
 		tz->state.passive = 1;
-	for (i=0; i<ACPI_THERMAL_MAX_ACTIVE; i++)
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
 		if (tz->trips.active[i].flags.enabled)
 			tz->state.active = 1;
 
@@ -744,8 +768,8 @@ acpi_thermal_check (
 	else if (tz->polling_frequency > 0)
 		sleep_time = tz->polling_frequency * 100;
 
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s: temperature[%lu] sleep[%lu]\n", 
-		tz->name, tz->temperature, sleep_time));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s: temperature[%lu] sleep[%lu]\n",
+			  tz->name, tz->temperature, sleep_time));
 
 	/*
 	 * Schedule Next Poll
@@ -754,12 +778,11 @@ acpi_thermal_check (
 	if (!sleep_time) {
 		if (timer_pending(&(tz->timer)))
 			del_timer(&(tz->timer));
-	}
-	else {
+	} else {
 		if (timer_pending(&(tz->timer)))
 			mod_timer(&(tz->timer), (HZ * sleep_time) / 1000);
 		else {
-			tz->timer.data = (unsigned long) tz;
+			tz->timer.data = (unsigned long)tz;
 			tz->timer.function = acpi_thermal_run;
 			tz->timer.expires = jiffies + (HZ * sleep_time) / 1000;
 			add_timer(&(tz->timer));
@@ -769,16 +792,15 @@ acpi_thermal_check (
 	return_VOID;
 }
 
-
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
 
-static struct proc_dir_entry	*acpi_thermal_dir;
+static struct proc_dir_entry *acpi_thermal_dir;
 
 static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_state_seq_show");
 
@@ -787,7 +809,8 @@ static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset)
 
 	seq_puts(seq, "state:                   ");
 
-	if (!tz->state.critical && !tz->state.hot && !tz->state.passive && !tz->state.active)
+	if (!tz->state.critical && !tz->state.hot && !tz->state.passive
+	    && !tz->state.active)
 		seq_puts(seq, "ok\n");
 	else {
 		if (tz->state.critical)
@@ -801,7 +824,7 @@ static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset)
 		seq_puts(seq, "\n");
 	}
 
-end:
+      end:
 	return_VALUE(0);
 }
 
@@ -810,11 +833,10 @@ static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file)
 	return single_open(file, acpi_thermal_state_seq_show, PDE(inode)->data);
 }
 
-
 static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset)
 {
-	int			result = 0;
-	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
+	int result = 0;
+	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_temp_seq_show");
 
@@ -825,10 +847,10 @@ static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset)
 	if (result)
 		goto end;
 
-	seq_printf(seq, "temperature:             %ld C\n", 
-		KELVIN_TO_CELSIUS(tz->temperature));
+	seq_printf(seq, "temperature:             %ld C\n",
+		   KELVIN_TO_CELSIUS(tz->temperature));
 
-end:
+      end:
 	return_VALUE(0);
 }
 
@@ -837,12 +859,11 @@ static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file)
 	return single_open(file, acpi_thermal_temp_seq_show, PDE(inode)->data);
 }
 
-
 static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
-	int			i = 0;
-	int			j = 0;
+	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
+	int i = 0;
+	int j = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_trip_seq_show");
 
@@ -851,21 +872,22 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 
 	if (tz->trips.critical.flags.valid)
 		seq_printf(seq, "critical (S5):           %ld C\n",
-			KELVIN_TO_CELSIUS(tz->trips.critical.temperature));
+			   KELVIN_TO_CELSIUS(tz->trips.critical.temperature));
 
 	if (tz->trips.hot.flags.valid)
 		seq_printf(seq, "hot (S4):                %ld C\n",
-			KELVIN_TO_CELSIUS(tz->trips.hot.temperature));
+			   KELVIN_TO_CELSIUS(tz->trips.hot.temperature));
 
 	if (tz->trips.passive.flags.valid) {
-		seq_printf(seq, "passive:                 %ld C: tc1=%lu tc2=%lu tsp=%lu devices=",
-			KELVIN_TO_CELSIUS(tz->trips.passive.temperature),
-			tz->trips.passive.tc1,
-			tz->trips.passive.tc2, 
-			tz->trips.passive.tsp);
-		for (j=0; j<tz->trips.passive.devices.count; j++) {
-
-			seq_printf(seq, "0x%p ", tz->trips.passive.devices.handles[j]);
+		seq_printf(seq,
+			   "passive:                 %ld C: tc1=%lu tc2=%lu tsp=%lu devices=",
+			   KELVIN_TO_CELSIUS(tz->trips.passive.temperature),
+			   tz->trips.passive.tc1, tz->trips.passive.tc2,
+			   tz->trips.passive.tsp);
+		for (j = 0; j < tz->trips.passive.devices.count; j++) {
+
+			seq_printf(seq, "0x%p ",
+				   tz->trips.passive.devices.handles[j]);
 		}
 		seq_puts(seq, "\n");
 	}
@@ -874,14 +896,15 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 		if (!(tz->trips.active[i].flags.valid))
 			break;
 		seq_printf(seq, "active[%d]:               %ld C: devices=",
-			i, KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
-		for (j = 0; j < tz->trips.active[i].devices.count; j++) 
+			   i,
+			   KELVIN_TO_CELSIUS(tz->trips.active[i].temperature));
+		for (j = 0; j < tz->trips.active[i].devices.count; j++)
 			seq_printf(seq, "0x%p ",
-				tz->trips.active[i].devices.handles[j]);
+				   tz->trips.active[i].devices.handles[j]);
 		seq_puts(seq, "\n");
 	}
 
-end:
+      end:
 	return_VALUE(0);
 }
 
@@ -891,30 +914,28 @@ static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file)
 }
 
 static ssize_t
-acpi_thermal_write_trip_points (
-        struct file		*file,
-        const char		__user *buffer,
-        size_t			count,
-        loff_t			*ppos)
+acpi_thermal_write_trip_points(struct file *file,
+			       const char __user * buffer,
+			       size_t count, loff_t * ppos)
 {
-	struct seq_file		*m = (struct seq_file *)file->private_data;
-	struct acpi_thermal	*tz = (struct acpi_thermal *)m->private;
+	struct seq_file *m = (struct seq_file *)file->private_data;
+	struct acpi_thermal *tz = (struct acpi_thermal *)m->private;
 
-	char			*limit_string; 
-	int			num, critical, hot, passive;
-	int			*active; 
-	int			i = 0;
+	char *limit_string;
+	int num, critical, hot, passive;
+	int *active;
+	int i = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_write_trip_points");
 
 	limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
-	if(!limit_string)
+	if (!limit_string)
 		return_VALUE(-ENOMEM);
 
 	memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
 
-	active = kmalloc(ACPI_THERMAL_MAX_ACTIVE *sizeof(int), GFP_KERNEL);
-	if(!active)
+	active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
+	if (!active)
 		return_VALUE(-ENOMEM);
 
 	if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) {
@@ -922,20 +943,21 @@ acpi_thermal_write_trip_points (
 		count = -EINVAL;
 		goto end;
 	}
-	
+
 	if (copy_from_user(limit_string, buffer, count)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n"));
 		count = -EFAULT;
 		goto end;
 	}
-	
+
 	limit_string[count] = '\0';
 
 	num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d",
-				&critical, &hot, &passive,
-				&active[0], &active[1], &active[2], &active[3], &active[4],
-				&active[5], &active[6], &active[7], &active[8], &active[9]);
-	if(!(num >=5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) {
+		     &critical, &hot, &passive,
+		     &active[0], &active[1], &active[2], &active[3], &active[4],
+		     &active[5], &active[6], &active[7], &active[8],
+		     &active[9]);
+	if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n"));
 		count = -EINVAL;
 		goto end;
@@ -949,17 +971,16 @@ acpi_thermal_write_trip_points (
 			break;
 		tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]);
 	}
-	
-end:
+
+      end:
 	kfree(active);
 	kfree(limit_string);
 	return_VALUE(count);
 }
 
-
 static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_cooling_seq_show");
 
@@ -970,33 +991,31 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
 		seq_puts(seq, "<setting not supported>\n");
 	}
 
-	if ( tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL )
+	if (tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL)
 		seq_printf(seq, "cooling mode:	critical\n");
 	else
 		seq_printf(seq, "cooling mode:	%s\n",
-			tz->cooling_mode?"passive":"active");
+			   tz->cooling_mode ? "passive" : "active");
 
-end:
+      end:
 	return_VALUE(0);
 }
 
 static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file)
 {
 	return single_open(file, acpi_thermal_cooling_seq_show,
-							PDE(inode)->data);
+			   PDE(inode)->data);
 }
 
 static ssize_t
-acpi_thermal_write_cooling_mode (
-	struct file		*file,
-	const char		__user *buffer,
-	size_t			count,
-	loff_t			*ppos)
+acpi_thermal_write_cooling_mode(struct file *file,
+				const char __user * buffer,
+				size_t count, loff_t * ppos)
 {
-	struct seq_file		*m = (struct seq_file *)file->private_data;
-	struct acpi_thermal	*tz = (struct acpi_thermal *)m->private;
-	int			result = 0;
-	char			mode_string[12] = {'\0'};
+	struct seq_file *m = (struct seq_file *)file->private_data;
+	struct acpi_thermal *tz = (struct acpi_thermal *)m->private;
+	int result = 0;
+	char mode_string[12] = { '\0' };
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_write_cooling_mode");
 
@@ -1008,11 +1027,12 @@ acpi_thermal_write_cooling_mode (
 
 	if (copy_from_user(mode_string, buffer, count))
 		return_VALUE(-EFAULT);
-	
+
 	mode_string[count] = '\0';
-	
-	result = acpi_thermal_set_cooling_mode(tz, 
-		simple_strtoul(mode_string, NULL, 0));
+
+	result = acpi_thermal_set_cooling_mode(tz,
+					       simple_strtoul(mode_string, NULL,
+							      0));
 	if (result)
 		return_VALUE(result);
 
@@ -1021,10 +1041,9 @@ acpi_thermal_write_cooling_mode (
 	return_VALUE(count);
 }
 
-
 static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_polling_seq_show");
 
@@ -1037,43 +1056,41 @@ static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset)
 	}
 
 	seq_printf(seq, "polling frequency:       %lu seconds\n",
-		(tz->polling_frequency / 10));
+		   (tz->polling_frequency / 10));
 
-end:
+      end:
 	return_VALUE(0);
 }
 
 static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file)
 {
 	return single_open(file, acpi_thermal_polling_seq_show,
-							PDE(inode)->data);
+			   PDE(inode)->data);
 }
 
 static ssize_t
-acpi_thermal_write_polling (
-	struct file		*file,
-	const char		__user *buffer,
-	size_t			count,
-	loff_t			*ppos)
+acpi_thermal_write_polling(struct file *file,
+			   const char __user * buffer,
+			   size_t count, loff_t * ppos)
 {
-	struct seq_file		*m = (struct seq_file *)file->private_data;
-	struct acpi_thermal	*tz = (struct acpi_thermal *)m->private;
-	int			result = 0;
-	char			polling_string[12] = {'\0'};
-	int			seconds = 0;
+	struct seq_file *m = (struct seq_file *)file->private_data;
+	struct acpi_thermal *tz = (struct acpi_thermal *)m->private;
+	int result = 0;
+	char polling_string[12] = { '\0' };
+	int seconds = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_write_polling");
 
 	if (!tz || (count > sizeof(polling_string) - 1))
 		return_VALUE(-EINVAL);
-	
+
 	if (copy_from_user(polling_string, buffer, count))
 		return_VALUE(-EFAULT);
-	
+
 	polling_string[count] = '\0';
 
 	seconds = simple_strtoul(polling_string, NULL, 0);
-	
+
 	result = acpi_thermal_set_polling(tz, seconds);
 	if (result)
 		return_VALUE(result);
@@ -1083,18 +1100,15 @@ acpi_thermal_write_polling (
 	return_VALUE(count);
 }
 
-
-static int
-acpi_thermal_add_fs (
-	struct acpi_device	*device)
+static int acpi_thermal_add_fs(struct acpi_device *device)
 {
-	struct proc_dir_entry	*entry = NULL;
+	struct proc_dir_entry *entry = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_add_fs");
 
 	if (!acpi_device_dir(device)) {
 		acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
-			acpi_thermal_dir);
+						     acpi_thermal_dir);
 		if (!acpi_device_dir(device))
 			return_VALUE(-ENODEV);
 		acpi_device_dir(device)->owner = THIS_MODULE;
@@ -1102,11 +1116,11 @@ acpi_thermal_add_fs (
 
 	/* 'state' [R] */
 	entry = create_proc_entry(ACPI_THERMAL_FILE_STATE,
-		S_IRUGO, acpi_device_dir(device));
+				  S_IRUGO, acpi_device_dir(device));
 	if (!entry)
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Unable to create '%s' fs entry\n",
-			ACPI_THERMAL_FILE_STATE));
+				  "Unable to create '%s' fs entry\n",
+				  ACPI_THERMAL_FILE_STATE));
 	else {
 		entry->proc_fops = &acpi_thermal_state_fops;
 		entry->data = acpi_driver_data(device);
@@ -1115,11 +1129,11 @@ acpi_thermal_add_fs (
 
 	/* 'temperature' [R] */
 	entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE,
-		S_IRUGO, acpi_device_dir(device));
+				  S_IRUGO, acpi_device_dir(device));
 	if (!entry)
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Unable to create '%s' fs entry\n",
-			ACPI_THERMAL_FILE_TEMPERATURE));
+				  "Unable to create '%s' fs entry\n",
+				  ACPI_THERMAL_FILE_TEMPERATURE));
 	else {
 		entry->proc_fops = &acpi_thermal_temp_fops;
 		entry->data = acpi_driver_data(device);
@@ -1128,11 +1142,12 @@ acpi_thermal_add_fs (
 
 	/* 'trip_points' [R/W] */
 	entry = create_proc_entry(ACPI_THERMAL_FILE_TRIP_POINTS,
-		S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
+				  S_IFREG | S_IRUGO | S_IWUSR,
+				  acpi_device_dir(device));
 	if (!entry)
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Unable to create '%s' fs entry\n",
-			ACPI_THERMAL_FILE_TRIP_POINTS));
+				  "Unable to create '%s' fs entry\n",
+				  ACPI_THERMAL_FILE_TRIP_POINTS));
 	else {
 		entry->proc_fops = &acpi_thermal_trip_fops;
 		entry->data = acpi_driver_data(device);
@@ -1141,11 +1156,12 @@ acpi_thermal_add_fs (
 
 	/* 'cooling_mode' [R/W] */
 	entry = create_proc_entry(ACPI_THERMAL_FILE_COOLING_MODE,
-		S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
+				  S_IFREG | S_IRUGO | S_IWUSR,
+				  acpi_device_dir(device));
 	if (!entry)
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Unable to create '%s' fs entry\n",
-			ACPI_THERMAL_FILE_COOLING_MODE));
+				  "Unable to create '%s' fs entry\n",
+				  ACPI_THERMAL_FILE_COOLING_MODE));
 	else {
 		entry->proc_fops = &acpi_thermal_cooling_fops;
 		entry->data = acpi_driver_data(device);
@@ -1154,11 +1170,12 @@ acpi_thermal_add_fs (
 
 	/* 'polling_frequency' [R/W] */
 	entry = create_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ,
-		S_IFREG|S_IRUGO|S_IWUSR, acpi_device_dir(device));
+				  S_IFREG | S_IRUGO | S_IWUSR,
+				  acpi_device_dir(device));
 	if (!entry)
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Unable to create '%s' fs entry\n",
-			ACPI_THERMAL_FILE_POLLING_FREQ));
+				  "Unable to create '%s' fs entry\n",
+				  ACPI_THERMAL_FILE_POLLING_FREQ));
 	else {
 		entry->proc_fops = &acpi_thermal_polling_fops;
 		entry->data = acpi_driver_data(device);
@@ -1168,10 +1185,7 @@ acpi_thermal_add_fs (
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_remove_fs (
-	struct acpi_device	*device)
+static int acpi_thermal_remove_fs(struct acpi_device *device)
 {
 	ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs");
 
@@ -1193,19 +1207,14 @@ acpi_thermal_remove_fs (
 	return_VALUE(0);
 }
 
-
 /* --------------------------------------------------------------------------
                                  Driver Interface
    -------------------------------------------------------------------------- */
 
-static void
-acpi_thermal_notify (
-	acpi_handle 		handle,
-	u32 			event,
-	void 			*data)
+static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
 {
-	struct acpi_thermal	*tz = (struct acpi_thermal *) data;
-	struct acpi_device	*device = NULL;
+	struct acpi_thermal *tz = (struct acpi_thermal *)data;
+	struct acpi_device *device = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_notify");
 
@@ -1231,19 +1240,16 @@ acpi_thermal_notify (
 		break;
 	default:
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			"Unsupported event [0x%x]\n", event));
+				  "Unsupported event [0x%x]\n", event));
 		break;
 	}
 
 	return_VOID;
 }
 
-
-static int
-acpi_thermal_get_info (
-	struct acpi_thermal	*tz)
+static int acpi_thermal_get_info(struct acpi_thermal *tz)
 {
-	int			result = 0;
+	int result = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_get_info");
 
@@ -1262,20 +1268,24 @@ acpi_thermal_get_info (
 
 	/* Set the cooling mode [_SCP] to active cooling (default) */
 	result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
-	if (!result) 
+	if (!result)
 		tz->flags.cooling_mode = 1;
-	else { 
+	else {
 		/* Oh,we have not _SCP method.
-		   Generally show cooling_mode by _ACx, _PSV,spec 12.2*/
+		   Generally show cooling_mode by _ACx, _PSV,spec 12.2 */
 		tz->flags.cooling_mode = 0;
-		if ( tz->trips.active[0].flags.valid && tz->trips.passive.flags.valid ) {
-			if ( tz->trips.passive.temperature > tz->trips.active[0].temperature )
+		if (tz->trips.active[0].flags.valid
+		    && tz->trips.passive.flags.valid) {
+			if (tz->trips.passive.temperature >
+			    tz->trips.active[0].temperature)
 				tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
-			else 
+			else
 				tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
-		} else if ( !tz->trips.active[0].flags.valid && tz->trips.passive.flags.valid ) {
+		} else if (!tz->trips.active[0].flags.valid
+			   && tz->trips.passive.flags.valid) {
 			tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
-		} else if ( tz->trips.active[0].flags.valid && !tz->trips.passive.flags.valid ) {
+		} else if (tz->trips.active[0].flags.valid
+			   && !tz->trips.passive.flags.valid) {
 			tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
 		} else {
 			/* _ACx and _PSV are optional, but _CRT is required */
@@ -1297,14 +1307,11 @@ acpi_thermal_get_info (
 	return_VALUE(0);
 }
 
-
-static int
-acpi_thermal_add (
-	struct acpi_device 		*device)
+static int acpi_thermal_add(struct acpi_device *device)
 {
-	int			result = 0;
-	acpi_status		status = AE_OK;
-	struct acpi_thermal	*tz = NULL;
+	int result = 0;
+	acpi_status status = AE_OK;
+	struct acpi_thermal *tz = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_add");
 
@@ -1335,19 +1342,20 @@ acpi_thermal_add (
 	acpi_thermal_check(tz);
 
 	status = acpi_install_notify_handler(tz->handle,
-		ACPI_DEVICE_NOTIFY, acpi_thermal_notify, tz);
+					     ACPI_DEVICE_NOTIFY,
+					     acpi_thermal_notify, tz);
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Error installing notify handler\n"));
+				  "Error installing notify handler\n"));
 		result = -ENODEV;
 		goto end;
 	}
 
 	printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n",
-		acpi_device_name(device), acpi_device_bid(device),
-		KELVIN_TO_CELSIUS(tz->temperature));
+	       acpi_device_name(device), acpi_device_bid(device),
+	       KELVIN_TO_CELSIUS(tz->temperature));
 
-end:
+      end:
 	if (result) {
 		acpi_thermal_remove_fs(device);
 		kfree(tz);
@@ -1356,21 +1364,17 @@ end:
 	return_VALUE(result);
 }
 
-
-static int
-acpi_thermal_remove (
-	struct acpi_device	*device,
-	int			type)
+static int acpi_thermal_remove(struct acpi_device *device, int type)
 {
-	acpi_status		status = AE_OK;
-	struct acpi_thermal	*tz = NULL;
+	acpi_status status = AE_OK;
+	struct acpi_thermal *tz = NULL;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_remove");
 
 	if (!device || !acpi_driver_data(device))
 		return_VALUE(-EINVAL);
 
-	tz = (struct acpi_thermal *) acpi_driver_data(device);
+	tz = (struct acpi_thermal *)acpi_driver_data(device);
 
 	/* avoid timer adding new defer task */
 	tz->zombie = 1;
@@ -1382,19 +1386,19 @@ acpi_thermal_remove (
 	del_timer_sync(&(tz->timer));
 
 	status = acpi_remove_notify_handler(tz->handle,
-		ACPI_DEVICE_NOTIFY, acpi_thermal_notify);
+					    ACPI_DEVICE_NOTIFY,
+					    acpi_thermal_notify);
 	if (ACPI_FAILURE(status))
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"Error removing notify handler\n"));
+				  "Error removing notify handler\n"));
 
 	/* Terminate policy */
-	if (tz->trips.passive.flags.valid
-		&& tz->trips.passive.flags.enabled) {
+	if (tz->trips.passive.flags.valid && tz->trips.passive.flags.enabled) {
 		tz->trips.passive.flags.enabled = 0;
 		acpi_thermal_passive(tz);
 	}
 	if (tz->trips.active[0].flags.valid
-		&& tz->trips.active[0].flags.enabled) {
+	    && tz->trips.active[0].flags.enabled) {
 		tz->trips.active[0].flags.enabled = 0;
 		acpi_thermal_active(tz);
 	}
@@ -1405,11 +1409,9 @@ acpi_thermal_remove (
 	return_VALUE(0);
 }
 
-
-static int __init
-acpi_thermal_init (void)
+static int __init acpi_thermal_init(void)
 {
-	int			result = 0;
+	int result = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_thermal_init");
 
@@ -1427,9 +1429,7 @@ acpi_thermal_init (void)
 	return_VALUE(0);
 }
 
-
-static void __exit
-acpi_thermal_exit (void)
+static void __exit acpi_thermal_exit(void)
 {
 	ACPI_FUNCTION_TRACE("acpi_thermal_exit");
 
@@ -1440,6 +1440,5 @@ acpi_thermal_exit (void)
 	return_VOID;
 }
 
-
 module_init(acpi_thermal_init);
 module_exit(acpi_thermal_exit);