[PATCH] Driver Core: Whitespace fixes

Whitespace and formatting changes (a,b,c -> a, b, c) in drivers/base
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/base/base.h

@@ -6,12 +6,13 @@ extern void bus_remove_driver(struct device_driver *);
 
 static inline struct class_device *to_class_dev(struct kobject *obj)
 {
-	return container_of(obj,struct class_device,kobj);
+	return container_of(obj, struct class_device, kobj);
 }
+
 static inline
 struct class_device_attribute *to_class_dev_attr(struct attribute *_attr)
 {
-	return container_of(_attr,struct class_device_attribute,attr);
+	return container_of(_attr, struct class_device_attribute, attr);
 }
 
 

drivers/base/class_simple.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
  * Copyright (c) 2003-2004 IBM Corp.
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -111,7 +111,7 @@ EXPORT_SYMBOL(class_simple_destroy);
 
 /**
  * class_simple_device_add - adds a class device to sysfs for a character driver
- * @cs: pointer to the struct class_simple that this device should be registered to.  
+ * @cs: pointer to the struct class_simple that this device should be registered to.
  * @dev: the dev_t for the device to be added.
  * @device: a pointer to a struct device that is assiociated with this class device.
  * @fmt: string for the class device's name
@@ -146,8 +146,8 @@ struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev,
 	s_dev->dev = dev;
 	s_dev->class_dev.dev = device;
 	s_dev->class_dev.class = &cs->class;
-	
-	va_start(args,fmt);
+
+	va_start(args, fmt);
 	vsnprintf(s_dev->class_dev.class_id, BUS_ID_SIZE, fmt, args);
 	va_end(args);
 	retval = class_device_register(&s_dev->class_dev);
@@ -173,10 +173,10 @@ EXPORT_SYMBOL(class_simple_device_add);
  * @cs: pointer to the struct class_simple to hold the pointer
  * @hotplug: function pointer to the hotplug function
  *
- * Implement and set a hotplug function to add environment variables specific to this 
+ * Implement and set a hotplug function to add environment variables specific to this
  * class on the hotplug event.
  */
-int class_simple_set_hotplug(struct class_simple *cs, 
+int class_simple_set_hotplug(struct class_simple *cs,
 	int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size))
 {
 	if ((cs == NULL) || (IS_ERR(cs)))

drivers/base/core.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -28,8 +28,8 @@ int (*platform_notify_remove)(struct device * dev) = NULL;
  * sysfs bindings for devices.
  */
 
-#define to_dev(obj) container_of(obj,struct device,kobj)
-#define to_dev_attr(_attr) container_of(_attr,struct device_attribute,attr)
+#define to_dev(obj) container_of(obj, struct device, kobj)
+#define to_dev_attr(_attr) container_of(_attr, struct device_attribute, attr)
 
 extern struct attribute * dev_default_attrs[];
 
@@ -41,12 +41,12 @@ dev_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
 	ssize_t ret = 0;
 
 	if (dev_attr->show)
-		ret = dev_attr->show(dev,buf);
+		ret = dev_attr->show(dev, buf);
 	return ret;
 }
 
 static ssize_t
-dev_attr_store(struct kobject * kobj, struct attribute * attr, 
+dev_attr_store(struct kobject * kobj, struct attribute * attr,
 	       const char * buf, size_t count)
 {
 	struct device_attribute * dev_attr = to_dev_attr(attr);
@@ -54,7 +54,7 @@ dev_attr_store(struct kobject * kobj, struct attribute * attr,
 	ssize_t ret = 0;
 
 	if (dev_attr->store)
-		ret = dev_attr->store(dev,buf,count);
+		ret = dev_attr->store(dev, buf, count);
 	return ret;
 }
 
@@ -153,7 +153,7 @@ int device_create_file(struct device * dev, struct device_attribute * attr)
 {
 	int error = 0;
 	if (get_device(dev)) {
-		error = sysfs_create_file(&dev->kobj,&attr->attr);
+		error = sysfs_create_file(&dev->kobj, &attr->attr);
 		put_device(dev);
 	}
 	return error;
@@ -168,7 +168,7 @@ int device_create_file(struct device * dev, struct device_attribute * attr)
 void device_remove_file(struct device * dev, struct device_attribute * attr)
 {
 	if (get_device(dev)) {
-		sysfs_remove_file(&dev->kobj,&attr->attr);
+		sysfs_remove_file(&dev->kobj, &attr->attr);
 		put_device(dev);
 	}
 }
@@ -179,7 +179,7 @@ void device_remove_file(struct device * dev, struct device_attribute * attr)
  *	@dev:	device.
  *
  *	This prepares the device for use by other layers,
- *	including adding it to the device hierarchy. 
+ *	including adding it to the device hierarchy.
  *	It is the first half of device_register(), if called by
  *	that, though it can also be called separately, so one
  *	may use @dev's fields (e.g. the refcount).
@@ -187,7 +187,7 @@ void device_remove_file(struct device * dev, struct device_attribute * attr)
 
 void device_initialize(struct device *dev)
 {
-	kobj_set_kset_s(dev,devices_subsys);
+	kobj_set_kset_s(dev, devices_subsys);
 	kobject_init(&dev->kobj);
 	INIT_LIST_HEAD(&dev->node);
 	INIT_LIST_HEAD(&dev->children);
@@ -200,7 +200,7 @@ void device_initialize(struct device *dev)
  *	device_add - add device to device hierarchy.
  *	@dev:	device.
  *
- *	This is part 2 of device_register(), though may be called 
+ *	This is part 2 of device_register(), though may be called
  *	separately _iff_ device_initialize() has been called separately.
  *
  *	This adds it to the kobject hierarchy via kobject_add(), adds it
@@ -221,7 +221,7 @@ int device_add(struct device *dev)
 	pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id);
 
 	/* first, register with generic layer. */
-	kobject_set_name(&dev->kobj,dev->bus_id);
+	kobject_set_name(&dev->kobj, dev->bus_id);
 	if (parent)
 		dev->kobj.parent = &parent->kobj;
 
@@ -233,7 +233,7 @@ int device_add(struct device *dev)
 		goto BusError;
 	down_write(&devices_subsys.rwsem);
 	if (parent)
-		list_add_tail(&dev->node,&parent->children);
+		list_add_tail(&dev->node, &parent->children);
 	up_write(&devices_subsys.rwsem);
 
 	/* notify platform of device entry */
@@ -258,9 +258,9 @@ int device_add(struct device *dev)
  *	@dev:	pointer to the device structure
  *
  *	This happens in two clean steps - initialize the device
- *	and add it to the system. The two steps can be called 
- *	separately, but this is the easiest and most common. 
- *	I.e. you should only call the two helpers separately if 
+ *	and add it to the system. The two steps can be called
+ *	separately, but this is the easiest and most common.
+ *	I.e. you should only call the two helpers separately if
  *	have a clearly defined need to use and refcount the device
  *	before it is added to the hierarchy.
  */
@@ -301,13 +301,13 @@ void put_device(struct device * dev)
  *	device_del - delete device from system.
  *	@dev:	device.
  *
- *	This is the first part of the device unregistration 
+ *	This is the first part of the device unregistration
  *	sequence. This removes the device from the lists we control
- *	from here, has it removed from the other driver model 
+ *	from here, has it removed from the other driver model
  *	subsystems it was added to in device_add(), and removes it
  *	from the kobject hierarchy.
  *
- *	NOTE: this should be called manually _iff_ device_add() was 
+ *	NOTE: this should be called manually _iff_ device_add() was
  *	also called manually.
  */
 
@@ -340,7 +340,7 @@ void device_del(struct device * dev)
  *	we remove it from all the subsystems with device_del(), then
  *	we decrement the reference count via put_device(). If that
  *	is the final reference count, the device will be cleaned up
- *	via device_release() above. Otherwise, the structure will 
+ *	via device_release() above. Otherwise, the structure will
  *	stick around until the final reference to the device is dropped.
  */
 void device_unregister(struct device * dev)
@@ -358,7 +358,7 @@ void device_unregister(struct device * dev)
  *	@fn:	function to be called for each device.
  *
  *	Iterate over @dev's child devices, and call @fn for each,
- *	passing it @data. 
+ *	passing it @data.
  *
  *	We check the return of @fn each time. If it returns anything
  *	other than 0, we break out and return that value.
@@ -370,8 +370,8 @@ int device_for_each_child(struct device * dev, void * data,
 	int error = 0;
 
 	down_read(&devices_subsys.rwsem);
-	list_for_each_entry(child,&dev->children,node) {
-		if((error = fn(child,data)))
+	list_for_each_entry(child, &dev->children, node) {
+		if((error = fn(child, data)))
 			break;
 	}
 	up_read(&devices_subsys.rwsem);

drivers/base/driver.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -15,8 +15,8 @@
 #include <linux/string.h>
 #include "base.h"
 
-#define to_dev(node) container_of(node,struct device,driver_list)
-#define to_drv(obj) container_of(obj,struct device_driver,kobj)
+#define to_dev(node) container_of(node, struct device, driver_list)
+#define to_drv(obj) container_of(obj, struct device_driver, kobj)
 
 /**
  *	driver_create_file - create sysfs file for driver.
@@ -28,7 +28,7 @@ int driver_create_file(struct device_driver * drv, struct driver_attribute * att
 {
 	int error;
 	if (get_driver(drv)) {
-		error = sysfs_create_file(&drv->kobj,&attr->attr);
+		error = sysfs_create_file(&drv->kobj, &attr->attr);
 		put_driver(drv);
 	} else
 		error = -EINVAL;
@@ -45,7 +45,7 @@ int driver_create_file(struct device_driver * drv, struct driver_attribute * att
 void driver_remove_file(struct device_driver * drv, struct driver_attribute * attr)
 {
 	if (get_driver(drv)) {
-		sysfs_remove_file(&drv->kobj,&attr->attr);
+		sysfs_remove_file(&drv->kobj, &attr->attr);
 		put_driver(drv);
 	}
 }
@@ -76,7 +76,7 @@ void put_driver(struct device_driver * drv)
  *	@drv:	driver to register
  *
  *	We pass off most of the work to the bus_add_driver() call,
- *	since most of the things we have to do deal with the bus 
+ *	since most of the things we have to do deal with the bus
  *	structures.
  *
  *	The one interesting aspect is that we initialize @drv->unload_sem
@@ -99,8 +99,8 @@ int driver_register(struct device_driver * drv)
  *
  *	Though, once that is done, we attempt to take @drv->unload_sem.
  *	This will block until the driver refcount reaches 0, and it is
- *	released. Only modular drivers will call this function, and we 
- *	have to guarantee that it won't complete, letting the driver 
+ *	released. Only modular drivers will call this function, and we
+ *	have to guarantee that it won't complete, letting the driver
  *	unload until all references are gone.
  */
 

drivers/base/firmware.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -12,11 +12,11 @@
 #include <linux/module.h>
 #include <linux/init.h>
 
-static decl_subsys(firmware,NULL,NULL);
+static decl_subsys(firmware, NULL, NULL);
 
 int firmware_register(struct subsystem * s)
 {
-	kset_set_kset_s(s,firmware_subsys);
+	kset_set_kset_s(s, firmware_subsys);
 	return subsystem_register(s);
 }
 

drivers/base/firmware_class.c

@@ -68,7 +68,7 @@ firmware_timeout_show(struct class *class, char *buf)
  *	firmware will be provided.
  *
  *	Note: zero means 'wait for ever'
- *  
+ *
  **/
 static ssize_t
 firmware_timeout_store(struct class *class, const char *buf, size_t count)
@@ -121,7 +121,7 @@ firmware_loading_show(struct class_device *class_dev, char *buf)
 /**
  * firmware_loading_store: - loading control file
  * Description:
- *	The relevant values are: 
+ *	The relevant values are:
  *
  *	 1: Start a load, discarding any previous partial load.
  *	 0: Conclude the load and handle the data to the driver code.
@@ -376,7 +376,7 @@ fw_setup_class_device(struct firmware *fw, struct class_device **class_dev_p,
 	return retval;
 }
 
-/** 
+/**
  * request_firmware: - request firmware to hotplug and wait for it
  * Description:
  *	@firmware will be used to return a firmware image by the name
@@ -457,7 +457,7 @@ release_firmware(const struct firmware *fw)
 
 /**
  * register_firmware: - provide a firmware image for later usage
- * 
+ *
  * Description:
  *	Make sure that @data will be available by requesting firmware @name.
  *
@@ -541,7 +541,7 @@ request_firmware_nowait(
 
 	ret = kernel_thread(request_firmware_work_func, fw_work,
 			    CLONE_FS | CLONE_FILES);
-	
+
 	if (ret < 0) {
 		fw_work->cont(NULL, fw_work->context);
 		return ret;

drivers/base/init.c

@@ -2,7 +2,7 @@
  *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -33,7 +33,7 @@ void __init driver_init(void)
 	classes_init();
 	firmware_init();
 
-	/* These are also core pieces, but must come after the 
+	/* These are also core pieces, but must come after the
 	 * core core pieces.
 	 */
 	platform_bus_init();

drivers/base/interface.c

 /*
- * drivers/base/interface.c - common driverfs interface that's exported to 
+ * drivers/base/interface.c - common driverfs interface that's exported to
  * 	the world for all devices.
  *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -16,33 +16,33 @@
 
 /**
  *	detach_state - control the default power state for the device.
- *	
- *	This is the state the device enters when it's driver module is 
+ *
+ *	This is the state the device enters when it's driver module is
  *	unloaded. The value is an unsigned integer, in the range of 0-4.
  *	'0' indicates 'On', so no action will be taken when the driver is
  *	unloaded. This is the default behavior.
  *	'4' indicates 'Off', meaning the driver core will call the driver's
  *	shutdown method to quiesce the device.
- *	1-3 indicate a low-power state for the device to enter via the 
- *	driver's suspend method. 
+ *	1-3 indicate a low-power state for the device to enter via the
+ *	driver's suspend method.
  */
 
 static ssize_t detach_show(struct device * dev, char * buf)
 {
-	return sprintf(buf,"%u\n",dev->detach_state);
+	return sprintf(buf, "%u\n", dev->detach_state);
 }
 
 static ssize_t detach_store(struct device * dev, const char * buf, size_t n)
 {
 	u32 state;
-	state = simple_strtoul(buf,NULL,10);
+	state = simple_strtoul(buf, NULL, 10);
 	if (state > 4)
 		return -EINVAL;
 	dev->detach_state = state;
 	return n;
 }
 
-static DEVICE_ATTR(detach_state,0644,detach_show,detach_store);
+static DEVICE_ATTR(detach_state, 0644, detach_show, detach_store);
 
 
 struct attribute * dev_default_attrs[] = {

drivers/base/node.c

@@ -29,7 +29,7 @@ static ssize_t node_read_cpumap(struct sys_device * dev, char * buf)
 	return len;
 }
 
-static SYSDEV_ATTR(cpumap,S_IRUGO,node_read_cpumap,NULL);
+static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumap, NULL);
 
 /* Can be overwritten by architecture specific code. */
 int __attribute__((weak)) hugetlb_report_node_meminfo(int node, char *buf)
@@ -54,17 +54,17 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
 		       "Node %d LowFree:      %8lu kB\n",
 		       nid, K(i.totalram),
 		       nid, K(i.freeram),
-		       nid, K(i.totalram-i.freeram),
+		       nid, K(i.totalram - i.freeram),
 		       nid, K(i.totalhigh),
 		       nid, K(i.freehigh),
-		       nid, K(i.totalram-i.totalhigh),
-		       nid, K(i.freeram-i.freehigh));
+		       nid, K(i.totalram - i.totalhigh),
+		       nid, K(i.freeram - i.freehigh));
 	n += hugetlb_report_node_meminfo(nid, buf + n);
 	return n;
 }
 
-#undef K 
-static SYSDEV_ATTR(meminfo,S_IRUGO,node_read_meminfo,NULL);
+#undef K
+static SYSDEV_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL);
 
 static ssize_t node_read_numastat(struct sys_device * dev, char * buf)
 {
@@ -104,7 +104,7 @@ static ssize_t node_read_numastat(struct sys_device * dev, char * buf)
 		       local_node,
 		       other_node);
 }
-static SYSDEV_ATTR(numastat,S_IRUGO,node_read_numastat,NULL);
+static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
 
 /*
  * register_node - Setup a driverfs device for a node.

drivers/base/platform.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
- * 
+ *
  * This file is released under the GPLv2
  *
  * Please see Documentation/driver-model/platform.txt for more
@@ -116,14 +116,14 @@ int platform_device_register(struct platform_device * pdev)
 		pdev->dev.parent = &platform_bus;
 
 	pdev->dev.bus = &platform_bus_type;
-	
+
 	if (pdev->id != -1)
 		snprintf(pdev->dev.bus_id, BUS_ID_SIZE, "%s%u", pdev->name, pdev->id);
 	else
 		strlcpy(pdev->dev.bus_id, pdev->name, BUS_ID_SIZE);
 
 	pr_debug("Registering platform device '%s'. Parent at %s\n",
-		 pdev->dev.bus_id,pdev->dev.parent->bus_id);
+		 pdev->dev.bus_id, pdev->dev.parent->bus_id);
 	return device_register(&pdev->dev);
 }
 
@@ -139,13 +139,13 @@ void platform_device_unregister(struct platform_device * pdev)
  *	@dev:	device.
  *	@drv:	driver.
  *
- *	Platform device IDs are assumed to be encoded like this: 
- *	"<name><instance>", where <name> is a short description of the 
- *	type of device, like "pci" or "floppy", and <instance> is the 
+ *	Platform device IDs are assumed to be encoded like this:
+ *	"<name><instance>", where <name> is a short description of the
+ *	type of device, like "pci" or "floppy", and <instance> is the
  *	enumerated instance of the device, like '0' or '42'.
- *	Driver IDs are simply "<name>". 
- *	So, extract the <name> from the platform_device structure, 
- *	and compare it against the name of the driver. Return whether 
+ *	Driver IDs are simply "<name>".
+ *	So, extract the <name> from the platform_device structure,
+ *	and compare it against the name of the driver. Return whether
  *	they match or not.
  */
 

drivers/base/power/main.c

@@ -12,10 +12,10 @@
  * and add it to the list of power-controlled devices. sysfs entries for
  * controlling device power management will also be added.
  *
- * A different set of lists than the global subsystem list are used to 
- * keep track of power info because we use different lists to hold 
- * devices based on what stage of the power management process they 
- * are in. The power domain dependencies may also differ from the 
+ * A different set of lists than the global subsystem list are used to
+ * keep track of power info because we use different lists to hold
+ * devices based on what stage of the power management process they
+ * are in. The power domain dependencies may also differ from the
  * ancestral dependencies that the subsystem list maintains.
  */
 
@@ -74,10 +74,10 @@ int device_pm_add(struct device * dev)
 
 	pr_debug("PM: Adding info for %s:%s\n",
 		 dev->bus ? dev->bus->name : "No Bus", dev->kobj.name);
-	atomic_set(&dev->power.pm_users,0);
+	atomic_set(&dev->power.pm_users, 0);
 	down(&dpm_sem);
-	list_add_tail(&dev->power.entry,&dpm_active);
-	device_pm_set_parent(dev,dev->parent);
+	list_add_tail(&dev->power.entry, &dpm_active);
+	device_pm_set_parent(dev, dev->parent);
 	if ((error = dpm_sysfs_add(dev)))
 		list_del(&dev->power.entry);
 	up(&dpm_sem);

drivers/base/power/power.h

@@ -27,7 +27,7 @@ extern void device_shutdown(void);
  */
 extern struct semaphore dpm_sem;
 
-/* 
+/*
  * The PM lists.
  */
 extern struct list_head dpm_active;
@@ -37,12 +37,12 @@ extern struct list_head dpm_off_irq;
 
 static inline struct dev_pm_info * to_pm_info(struct list_head * entry)
 {
-	return container_of(entry,struct dev_pm_info,entry);
+	return container_of(entry, struct dev_pm_info, entry);
 }
 
 static inline struct device * to_device(struct list_head * entry)
 {
-	return container_of(to_pm_info(entry),struct device,power);
+	return container_of(to_pm_info(entry), struct device, power);
 }
 
 extern int device_pm_add(struct device *);
@@ -56,7 +56,7 @@ extern int dpm_sysfs_add(struct device *);
 extern void dpm_sysfs_remove(struct device *);
 
 /*
- * resume.c 
+ * resume.c
  */
 
 extern void dpm_resume(void);

drivers/base/power/resume.c

@@ -39,7 +39,7 @@ void dpm_resume(void)
 		if (!dev->power.prev_state)
 			resume_device(dev);
 
-		list_add_tail(entry,&dpm_active);
+		list_add_tail(entry, &dpm_active);
 	}
 }
 
@@ -48,7 +48,7 @@ void dpm_resume(void)
  *	device_resume - Restore state of each device in system.
  *
  *	Walk the dpm_off list, remove each entry, resume the device,
- *	then add it to the dpm_active list. 
+ *	then add it to the dpm_active list.
  */
 
 void device_resume(void)
@@ -62,14 +62,14 @@ EXPORT_SYMBOL(device_resume);
 
 
 /**
- *	device_power_up_irq - Power on some devices. 
+ *	device_power_up_irq - Power on some devices.
  *
- *	Walk the dpm_off_irq list and power each device up. This 
+ *	Walk the dpm_off_irq list and power each device up. This
  *	is used for devices that required they be powered down with
  *	interrupts disabled. As devices are powered on, they are moved to
  *	the dpm_suspended list.
  *
- *	Interrupts must be disabled when calling this. 
+ *	Interrupts must be disabled when calling this.
  */
 
 void dpm_power_up(void)
@@ -78,7 +78,7 @@ void dpm_power_up(void)
 		struct list_head * entry = dpm_off_irq.next;
 		list_del_init(entry);
 		resume_device(to_device(entry));
-		list_add_tail(entry,&dpm_active);
+		list_add_tail(entry, &dpm_active);
 	}
 }
 

drivers/base/power/runtime.c

@@ -24,9 +24,9 @@ static void runtime_resume(struct device * dev)
  *	dpm_runtime_resume - Power one device back on.
  *	@dev:	Device.
  *
- *	Bring one device back to the on state by first powering it 
+ *	Bring one device back to the on state by first powering it
  *	on, then restoring state. We only operate on devices that aren't
- *	already on. 
+ *	already on.
  *	FIXME: We need to handle devices that are in an unknown state.
  */
 
@@ -55,7 +55,7 @@ int dpm_runtime_suspend(struct device * dev, u32 state)
 	if (dev->power.power_state)
 		runtime_resume(dev);
 
-	if (!(error = suspend_device(dev,state)))
+	if (!(error = suspend_device(dev, state)))
 		dev->power.power_state = state;
  Done:
 	up(&dpm_sem);
@@ -70,7 +70,7 @@ int dpm_runtime_suspend(struct device * dev, u32 state)
  *
  *	This is an update mechanism for drivers to notify the core
  *	what power state a device is in. Device probing code may not
- *	always be able to tell, but we need accurate information to 
+ *	always be able to tell, but we need accurate information to
  *	work reliably.
  */
 void dpm_set_power_state(struct device * dev, u32 state)

drivers/base/power/shutdown.c

 /*
  * shutdown.c - power management functions for the device tree.
- * 
+ *
  * Copyright (c) 2002-3 Patrick Mochel
  *		 2002-3 Open Source Development Lab
- * 
+ *
  * This file is released under the GPLv2
  *
  */
@@ -14,7 +14,7 @@
 
 #include "power.h"
 
-#define to_dev(node) container_of(node,struct device,kobj.entry)
+#define to_dev(node) container_of(node, struct device, kobj.entry)
 
 extern struct subsystem devices_subsys;
 
@@ -29,7 +29,7 @@ int device_detach_shutdown(struct device * dev)
 			dev->driver->shutdown(dev);
 		return 0;
 	}
-	return dpm_runtime_suspend(dev,dev->detach_state);
+	return dpm_runtime_suspend(dev, dev->detach_state);
 }
 
 
@@ -38,8 +38,8 @@ int device_detach_shutdown(struct device * dev)
  * down last and resume them first. That way, we don't do anything stupid like
  * shutting down the interrupt controller before any devices..
  *
- * Note that there are not different stages for power management calls - 
- * they only get one called once when interrupts are disabled. 
+ * Note that there are not different stages for power management calls -
+ * they only get one called once when interrupts are disabled.
  */
 
 extern int sysdev_shutdown(void);
@@ -50,10 +50,10 @@ extern int sysdev_shutdown(void);
 void device_shutdown(void)
 {
 	struct device * dev;
-	
+
 	down_write(&devices_subsys.rwsem);
-	list_for_each_entry_reverse(dev,&devices_subsys.kset.list,kobj.entry) {
-		pr_debug("shutting down %s: ",dev->bus_id);
+	list_for_each_entry_reverse(dev, &devices_subsys.kset.list, kobj.entry) {
+		pr_debug("shutting down %s: ", dev->bus_id);
 		if (dev->driver && dev->driver->shutdown) {
 			pr_debug("Ok\n");
 			dev->driver->shutdown(dev);

drivers/base/power/suspend.c

 /*
- * suspend.c - Functions for putting devices to sleep. 
+ * suspend.c - Functions for putting devices to sleep.
  *
  * Copyright (c) 2003 Patrick Mochel
  * Copyright (c) 2003 Open Source Development Labs
@@ -10,18 +10,18 @@
 
 #include <linux/device.h>
 #include "power.h"
- 
+
 extern int sysdev_suspend(u32 state);
 
 /*
  * The entries in the dpm_active list are in a depth first order, simply
- * because children are guaranteed to be discovered after parents, and 
- * are inserted at the back of the list on discovery. 
- * 
+ * because children are guaranteed to be discovered after parents, and
+ * are inserted at the back of the list on discovery.
+ *
  * All list on the suspend path are done in reverse order, so we operate
  * on the leaves of the device tree (or forests, depending on how you want
- * to look at it ;) first. As nodes are removed from the back of the list, 
- * they are inserted into the front of their destintation lists. 
+ * to look at it ;) first. As nodes are removed from the back of the list,
+ * they are inserted into the front of their destintation lists.
  *
  * Things are the reverse on the resume path - iterations are done in
  * forward order, and nodes are inserted at the back of their destination
@@ -44,7 +44,7 @@ int suspend_device(struct device * dev, u32 state)
 	dev->power.prev_state = dev->power.power_state;
 
 	if (dev->bus && dev->bus->suspend && !dev->power.power_state)
-		error = dev->bus->suspend(dev,state);
+		error = dev->bus->suspend(dev, state);
 
 	return error;
 }
@@ -52,16 +52,16 @@ int suspend_device(struct device * dev, u32 state)
 
 /**
  *	device_suspend - Save state and stop all devices in system.
- *	@state:		Power state to put each device in. 
+ *	@state:		Power state to put each device in.
  *
  *	Walk the dpm_active list, call ->suspend() for each device, and move
- *	it to dpm_off. 
+ *	it to dpm_off.
  *	Check the return value for each. If it returns 0, then we move the
- *	the device to the dpm_off list. If it returns -EAGAIN, we move it to 
- *	the dpm_off_irq list. If we get a different error, try and back out. 
+ *	the device to the dpm_off list. If it returns -EAGAIN, we move it to
+ *	the dpm_off_irq list. If we get a different error, try and back out.
  *
  *	If we hit a failure with any of the devices, call device_resume()
- *	above to bring the suspended devices back to life. 
+ *	above to bring the suspended devices back to life.
  *
  *	Note this function leaves dpm_sem held to
  *	a) block other devices from registering.
@@ -78,14 +78,14 @@ int device_suspend(u32 state)
 	while(!list_empty(&dpm_active)) {
 		struct list_head * entry = dpm_active.prev;
 		struct device * dev = to_device(entry);
-		error = suspend_device(dev,state);
+		error = suspend_device(dev, state);
 
 		if (!error) {
 			list_del(&dev->power.entry);
-			list_add(&dev->power.entry,&dpm_off);
+			list_add(&dev->power.entry, &dpm_off);
 		} else if (error == -EAGAIN) {
 			list_del(&dev->power.entry);
-			list_add(&dev->power.entry,&dpm_off_irq);
+			list_add(&dev->power.entry, &dpm_off_irq);
 		} else {
 			printk(KERN_ERR "Could not suspend device %s: "
 				"error %d\n", kobject_name(&dev->kobj), error);
@@ -108,8 +108,8 @@ EXPORT_SYMBOL(device_suspend);
  *	@state:		Power state to enter.
  *
  *	Walk the dpm_off_irq list, calling ->power_down() for each device that
- *	couldn't power down the device with interrupts enabled. When we're 
- *	done, power down system devices. 
+ *	couldn't power down the device with interrupts enabled. When we're
+ *	done, power down system devices.
  */
 
 int device_power_down(u32 state)
@@ -117,10 +117,10 @@ int device_power_down(u32 state)
 	int error = 0;
 	struct device * dev;
 
-	list_for_each_entry_reverse(dev,&dpm_off_irq,power.entry) {
-		if ((error = suspend_device(dev,state)))
+	list_for_each_entry_reverse(dev, &dpm_off_irq, power.entry) {
+		if ((error = suspend_device(dev, state)))
 			break;
-	} 
+	}
 	if (error)
 		goto Error;
 	if ((error = sysdev_suspend(state)))

drivers/base/power/sysfs.c

@@ -11,10 +11,10 @@
  *
  *	show() returns the current power state of the device. '0' indicates
  *	the device is on. Other values (1-3) indicate the device is in a low
- *	power state. 
+ *	power state.
  *
- *	store() sets the current power state, which is an integer value 
- *	between 0-3. If the device is on ('0'), and the value written is 
+ *	store() sets the current power state, which is an integer value
+ *	between 0-3. If the device is on ('0'), and the value written is
  *	greater than 0, then the device is placed directly into the low-power
  *	state (via its driver's ->suspend() method).
  *	If the device is currently in a low-power state, and the value is 0,
@@ -26,7 +26,7 @@
 
 static ssize_t state_show(struct device * dev, char * buf)
 {
-	return sprintf(buf,"%u\n",dev->power.power_state);
+	return sprintf(buf, "%u\n", dev->power.power_state);
 }
 
 static ssize_t state_store(struct device * dev, const char * buf, size_t n)
@@ -35,17 +35,17 @@ static ssize_t state_store(struct device * dev, const char * buf, size_t n)
 	char * rest;
 	int error = 0;
 
-	state = simple_strtoul(buf,&rest,10);
+	state = simple_strtoul(buf, &rest, 10);
 	if (*rest)
 		return -EINVAL;
 	if (state)
-		error = dpm_runtime_suspend(dev,state);
+		error = dpm_runtime_suspend(dev, state);
 	else
 		dpm_runtime_resume(dev);
 	return error ? error : n;
 }
 
-static DEVICE_ATTR(state,0644,state_show,state_store);
+static DEVICE_ATTR(state, 0644, state_show, state_store);
 
 
 static struct attribute * power_attrs[] = {
@@ -59,10 +59,10 @@ static struct attribute_group pm_attr_group = {
 
 int dpm_sysfs_add(struct device * dev)
 {
-	return sysfs_create_group(&dev->kobj,&pm_attr_group);
+	return sysfs_create_group(&dev->kobj, &pm_attr_group);
 }
 
 void dpm_sysfs_remove(struct device * dev)
 {
-	sysfs_remove_group(&dev->kobj,&pm_attr_group);
+	sysfs_remove_group(&dev->kobj, &pm_attr_group);
 }