Driver core: coding style fixes

Fix up a number of coding style issues in the drivers/base/ directory
that have annoyed me over the years.  checkpatch.pl is now very happy.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/base/base.h

@@ -50,15 +50,15 @@ extern int platform_bus_init(void);
 extern int system_bus_init(void);
 extern int cpu_dev_init(void);
 
-extern int bus_add_device(struct device * dev);
-extern void bus_attach_device(struct device * dev);
-extern void bus_remove_device(struct device * dev);
+extern int bus_add_device(struct device *dev);
+extern void bus_attach_device(struct device *dev);
+extern void bus_remove_device(struct device *dev);
 
-extern int bus_add_driver(struct device_driver *);
-extern void bus_remove_driver(struct device_driver *);
+extern int bus_add_driver(struct device_driver *drv);
+extern void bus_remove_driver(struct device_driver *drv);
 
-extern void driver_detach(struct device_driver * drv);
-extern int driver_probe_device(struct device_driver *, struct device *);
+extern void driver_detach(struct device_driver *drv);
+extern int driver_probe_device(struct device_driver *drv, struct device *dev);
 
 extern void sysdev_shutdown(void);
 extern int sysdev_suspend(pm_message_t state);

drivers/base/dd.c

 /*
- *	drivers/base/dd.c - The core device/driver interactions.
+ * drivers/base/dd.c - The core device/driver interactions.
  *
- * 	This file contains the (sometimes tricky) code that controls the
- *	interactions between devices and drivers, which primarily includes
- *	driver binding and unbinding.
+ * This file contains the (sometimes tricky) code that controls the
+ * interactions between devices and drivers, which primarily includes
+ * driver binding and unbinding.
  *
- *	All of this code used to exist in drivers/base/bus.c, but was
- *	relocated to here in the name of compartmentalization (since it wasn't
- *	strictly code just for the 'struct bus_type'.
+ * All of this code used to exist in drivers/base/bus.c, but was
+ * relocated to here in the name of compartmentalization (since it wasn't
+ * strictly code just for the 'struct bus_type'.
  *
- *	Copyright (c) 2002-5 Patrick Mochel
- *	Copyright (c) 2002-3 Open Source Development Labs
- *	Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
- *	Copyright (c) 2007 Novell Inc.
+ * Copyright (c) 2002-5 Patrick Mochel
+ * Copyright (c) 2002-3 Open Source Development Labs
+ * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
+ * Copyright (c) 2007 Novell Inc.
  *
- *	This file is released under the GPLv2
+ * This file is released under the GPLv2
  */
 
 #include <linux/device.h>
@@ -71,18 +71,18 @@ static void driver_sysfs_remove(struct device *dev)
 }
 
 /**
- *	device_bind_driver - bind a driver to one device.
- *	@dev:	device.
+ * device_bind_driver - bind a driver to one device.
+ * @dev: device.
  *
- *	Allow manual attachment of a driver to a device.
- *	Caller must have already set @dev->driver.
+ * Allow manual attachment of a driver to a device.
+ * Caller must have already set @dev->driver.
  *
- *	Note that this does not modify the bus reference count
- *	nor take the bus's rwsem. Please verify those are accounted
- *	for before calling this. (It is ok to call with no other effort
- *	from a driver's probe() method.)
+ * Note that this does not modify the bus reference count
+ * nor take the bus's rwsem. Please verify those are accounted
+ * for before calling this. (It is ok to call with no other effort
+ * from a driver's probe() method.)
  *
- *	This function must be called with @dev->sem held.
+ * This function must be called with @dev->sem held.
  */
 int device_bind_driver(struct device *dev)
 {
@@ -93,6 +93,7 @@ int device_bind_driver(struct device *dev)
 		driver_bound(dev);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(device_bind_driver);
 
 static atomic_t probe_count = ATOMIC_INIT(0);
 static DECLARE_WAIT_QUEUE_HEAD(probe_waitqueue);
@@ -183,7 +184,7 @@ int driver_probe_done(void)
  * This function must be called with @dev->sem held.  When called for a
  * USB interface, @dev->parent->sem must be held as well.
  */
-int driver_probe_device(struct device_driver * drv, struct device * dev)
+int driver_probe_device(struct device_driver *drv, struct device *dev)
 {
 	int ret = 0;
 
@@ -201,27 +202,27 @@ int driver_probe_device(struct device_driver * drv, struct device * dev)
 	return ret;
 }
 
-static int __device_attach(struct device_driver * drv, void * data)
+static int __device_attach(struct device_driver *drv, void *data)
 {
-	struct device * dev = data;
+	struct device *dev = data;
 	return driver_probe_device(drv, dev);
 }
 
 /**
- *	device_attach - try to attach device to a driver.
- *	@dev:	device.
+ * device_attach - try to attach device to a driver.
+ * @dev: device.
  *
- *	Walk the list of drivers that the bus has and call
- *	driver_probe_device() for each pair. If a compatible
- *	pair is found, break out and return.
+ * Walk the list of drivers that the bus has and call
+ * driver_probe_device() for each pair. If a compatible
+ * pair is found, break out and return.
  *
- *	Returns 1 if the device was bound to a driver;
- *	0 if no matching device was found;
- *	-ENODEV if the device is not registered.
+ * Returns 1 if the device was bound to a driver;
+ * 0 if no matching device was found;
+ * -ENODEV if the device is not registered.
  *
- *	When called for a USB interface, @dev->parent->sem must be held.
+ * When called for a USB interface, @dev->parent->sem must be held.
  */
-int device_attach(struct device * dev)
+int device_attach(struct device *dev)
 {
 	int ret = 0;
 
@@ -240,10 +241,11 @@ int device_attach(struct device * dev)
 	up(&dev->sem);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(device_attach);
 
-static int __driver_attach(struct device * dev, void * data)
+static int __driver_attach(struct device *dev, void *data)
 {
-	struct device_driver * drv = data;
+	struct device_driver *drv = data;
 
 	/*
 	 * Lock device and try to bind to it. We drop the error
@@ -268,26 +270,27 @@ static int __driver_attach(struct device * dev, void * data)
 }
 
 /**
- *	driver_attach - try to bind driver to devices.
- *	@drv:	driver.
+ * driver_attach - try to bind driver to devices.
+ * @drv: driver.
  *
- *	Walk the list of devices that the bus has on it and try to
- *	match the driver with each one.  If driver_probe_device()
- *	returns 0 and the @dev->driver is set, we've found a
- *	compatible pair.
+ * Walk the list of devices that the bus has on it and try to
+ * match the driver with each one.  If driver_probe_device()
+ * returns 0 and the @dev->driver is set, we've found a
+ * compatible pair.
  */
-int driver_attach(struct device_driver * drv)
+int driver_attach(struct device_driver *drv)
 {
 	return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach);
 }
+EXPORT_SYMBOL_GPL(driver_attach);
 
 /*
- *	__device_release_driver() must be called with @dev->sem held.
- *	When called for a USB interface, @dev->parent->sem must be held as well.
+ * __device_release_driver() must be called with @dev->sem held.
+ * When called for a USB interface, @dev->parent->sem must be held as well.
  */
-static void __device_release_driver(struct device * dev)
+static void __device_release_driver(struct device *dev)
 {
-	struct device_driver * drv;
+	struct device_driver *drv;
 
 	drv = dev->driver;
 	if (drv) {
@@ -310,13 +313,13 @@ static void __device_release_driver(struct device * dev)
 }
 
 /**
- *	device_release_driver - manually detach device from driver.
- *	@dev:	device.
+ * device_release_driver - manually detach device from driver.
+ * @dev: device.
  *
- *	Manually detach device from driver.
- *	When called for a USB interface, @dev->parent->sem must be held.
+ * Manually detach device from driver.
+ * When called for a USB interface, @dev->parent->sem must be held.
  */
-void device_release_driver(struct device * dev)
+void device_release_driver(struct device *dev)
 {
 	/*
 	 * If anyone calls device_release_driver() recursively from
@@ -327,15 +330,15 @@ void device_release_driver(struct device * dev)
 	__device_release_driver(dev);
 	up(&dev->sem);
 }
-
+EXPORT_SYMBOL_GPL(device_release_driver);
 
 /**
  * driver_detach - detach driver from all devices it controls.
  * @drv: driver.
  */
-void driver_detach(struct device_driver * drv)
+void driver_detach(struct device_driver *drv)
 {
-	struct device * dev;
+	struct device *dev;
 
 	for (;;) {
 		spin_lock(&drv->p->klist_devices.k_lock);
@@ -359,9 +362,3 @@ void driver_detach(struct device_driver * drv)
 		put_device(dev);
 	}
 }
-
-EXPORT_SYMBOL_GPL(device_bind_driver);
-EXPORT_SYMBOL_GPL(device_release_driver);
-EXPORT_SYMBOL_GPL(device_attach);
-EXPORT_SYMBOL_GPL(driver_attach);
-

drivers/base/driver.c

@@ -19,27 +19,26 @@
 #define to_dev(node) container_of(node, struct device, driver_list)
 
 
-static struct device * next_device(struct klist_iter * i)
+static struct device *next_device(struct klist_iter *i)
 {
-	struct klist_node * n = klist_next(i);
+	struct klist_node *n = klist_next(i);
 	return n ? container_of(n, struct device, knode_driver) : NULL;
 }
 
 /**
- *	driver_for_each_device - Iterator for devices bound to a driver.
- *	@drv:	Driver we're iterating.
- *	@start: Device to begin with
- *	@data:	Data to pass to the callback.
- *	@fn:	Function to call for each device.
+ * driver_for_each_device - Iterator for devices bound to a driver.
+ * @drv: Driver we're iterating.
+ * @start: Device to begin with
+ * @data: Data to pass to the callback.
+ * @fn: Function to call for each device.
  *
- *	Iterate over the @drv's list of devices calling @fn for each one.
+ * Iterate over the @drv's list of devices calling @fn for each one.
  */
-
-int driver_for_each_device(struct device_driver * drv, struct device * start, 
-			   void * data, int (*fn)(struct device *, void *))
+int driver_for_each_device(struct device_driver *drv, struct device *start,
+			   void *data, int (*fn)(struct device *, void *))
 {
 	struct klist_iter i;
-	struct device * dev;
+	struct device *dev;
 	int error = 0;
 
 	if (!drv)
@@ -52,10 +51,8 @@ int driver_for_each_device(struct device_driver * drv, struct device * start,
 	klist_iter_exit(&i);
 	return error;
 }
-
 EXPORT_SYMBOL_GPL(driver_for_each_device);
 
-
 /**
  * driver_find_device - device iterator for locating a particular device.
  * @drv: The device's driver
@@ -71,9 +68,9 @@ EXPORT_SYMBOL_GPL(driver_for_each_device);
  * if it does.  If the callback returns non-zero, this function will
  * return to the caller and not iterate over any more devices.
  */
-struct device * driver_find_device(struct device_driver *drv,
-				   struct device * start, void * data,
-				   int (*match)(struct device *, void *))
+struct device *driver_find_device(struct device_driver *drv,
+				  struct device *start, void *data,
+				  int (*match)(struct device *dev, void *data))
 {
 	struct klist_iter i;
 	struct device *dev;
@@ -92,12 +89,12 @@ struct device * driver_find_device(struct device_driver *drv,
 EXPORT_SYMBOL_GPL(driver_find_device);
 
 /**
- *	driver_create_file - create sysfs file for driver.
- *	@drv:	driver.
- *	@attr:	driver attribute descriptor.
+ * driver_create_file - create sysfs file for driver.
+ * @drv: driver.
+ * @attr: driver attribute descriptor.
  */
-
-int driver_create_file(struct device_driver * drv, struct driver_attribute * attr)
+int driver_create_file(struct device_driver *drv,
+		       struct driver_attribute *attr)
 {
 	int error;
 	if (get_driver(drv)) {
@@ -107,22 +104,22 @@ int driver_create_file(struct device_driver * drv, struct driver_attribute * att
 		error = -EINVAL;
 	return error;
 }
-
+EXPORT_SYMBOL_GPL(driver_create_file);
 
 /**
- *	driver_remove_file - remove sysfs file for driver.
- *	@drv:	driver.
- *	@attr:	driver attribute descriptor.
+ * driver_remove_file - remove sysfs file for driver.
+ * @drv: driver.
+ * @attr: driver attribute descriptor.
  */
-
-void driver_remove_file(struct device_driver * drv, struct driver_attribute * attr)
+void driver_remove_file(struct device_driver *drv,
+			struct driver_attribute *attr)
 {
 	if (get_driver(drv)) {
 		sysfs_remove_file(&drv->p->kobj, &attr->attr);
 		put_driver(drv);
 	}
 }
-
+EXPORT_SYMBOL_GPL(driver_remove_file);
 
 /**
  * driver_add_kobj - add a kobject below the specified driver
@@ -149,10 +146,10 @@ int driver_add_kobj(struct device_driver *drv, struct kobject *kobj,
 EXPORT_SYMBOL_GPL(driver_add_kobj);
 
 /**
- *	get_driver - increment driver reference count.
- *	@drv:	driver.
+ * get_driver - increment driver reference count.
+ * @drv: driver.
  */
-struct device_driver * get_driver(struct device_driver * drv)
+struct device_driver *get_driver(struct device_driver *drv)
 {
 	if (drv) {
 		struct driver_private *priv;
@@ -164,16 +161,17 @@ struct device_driver * get_driver(struct device_driver * drv)
 	}
 	return NULL;
 }
-
+EXPORT_SYMBOL_GPL(get_driver);
 
 /**
- *	put_driver - decrement driver's refcount.
- *	@drv:	driver.
+ * put_driver - decrement driver's refcount.
+ * @drv: driver.
  */
-void put_driver(struct device_driver * drv)
+void put_driver(struct device_driver *drv)
 {
 	kobject_put(&drv->p->kobj);
 }
+EXPORT_SYMBOL_GPL(put_driver);
 
 static int driver_add_groups(struct device_driver *drv,
 			     struct attribute_group **groups)
@@ -205,24 +203,23 @@ static void driver_remove_groups(struct device_driver *drv,
 			sysfs_remove_group(&drv->p->kobj, groups[i]);
 }
 
-
 /**
- *	driver_register - register driver with bus
- *	@drv:	driver to register
+ * driver_register - register driver with bus
+ * @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
- *	structures.
+ * 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
+ * structures.
  */
-int driver_register(struct device_driver * drv)
+int driver_register(struct device_driver *drv)
 {
 	int ret;
 
 	if ((drv->bus->probe && drv->probe) ||
 	    (drv->bus->remove && drv->remove) ||
-	    (drv->bus->shutdown && drv->shutdown)) {
-		printk(KERN_WARNING "Driver '%s' needs updating - please use bus_type methods\n", drv->name);
-	}
+	    (drv->bus->shutdown && drv->shutdown))
+		printk(KERN_WARNING "Driver '%s' needs updating - please use "
+			"bus_type methods\n", drv->name);
 	ret = bus_add_driver(drv);
 	if (ret)
 		return ret;
@@ -231,29 +228,30 @@ int driver_register(struct device_driver * drv)
 		bus_remove_driver(drv);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(driver_register);
 
 /**
- *	driver_unregister - remove driver from system.
- *	@drv:	driver.
+ * driver_unregister - remove driver from system.
+ * @drv: driver.
  *
- *	Again, we pass off most of the work to the bus-level call.
+ * Again, we pass off most of the work to the bus-level call.
  */
-
-void driver_unregister(struct device_driver * drv)
+void driver_unregister(struct device_driver *drv)
 {
 	driver_remove_groups(drv, drv->groups);
 	bus_remove_driver(drv);
 }
+EXPORT_SYMBOL_GPL(driver_unregister);
 
 /**
- *	driver_find - locate driver on a bus by its name.
- *	@name:	name of the driver.
- *	@bus:	bus to scan for the driver.
+ * driver_find - locate driver on a bus by its name.
+ * @name: name of the driver.
+ * @bus: bus to scan for the driver.
  *
- *	Call kset_find_obj() to iterate over list of drivers on
- *	a bus to find driver by name. Return driver if found.
+ * Call kset_find_obj() to iterate over list of drivers on
+ * a bus to find driver by name. Return driver if found.
  *
- *	Note that kset_find_obj increments driver's reference count.
+ * Note that kset_find_obj increments driver's reference count.
  */
 struct device_driver *driver_find(const char *name, struct bus_type *bus)
 {
@@ -266,12 +264,4 @@ struct device_driver *driver_find(const char *name, struct bus_type *bus)
 	}
 	return NULL;
 }
-
-EXPORT_SYMBOL_GPL(driver_register);
-EXPORT_SYMBOL_GPL(driver_unregister);
-EXPORT_SYMBOL_GPL(get_driver);
-EXPORT_SYMBOL_GPL(put_driver);
 EXPORT_SYMBOL_GPL(driver_find);
-
-EXPORT_SYMBOL_GPL(driver_create_file);
-EXPORT_SYMBOL_GPL(driver_remove_file);

drivers/base/init.c

 /*
- *
  * Copyright (c) 2002-3 Patrick Mochel
  * Copyright (c) 2002-3 Open Source Development Labs
  *
  * This file is released under the GPLv2
- *
  */
 
 #include <linux/device.h>
@@ -14,12 +12,11 @@
 #include "base.h"
 
 /**
- *	driver_init - initialize driver model.
+ * driver_init - initialize driver model.
  *
- *	Call the driver model init functions to initialize their
- *	subsystems. Called early from init/main.c.
+ * Call the driver model init functions to initialize their
+ * subsystems. Called early from init/main.c.
  */
-
 void __init driver_init(void)
 {
 	/* These are the core pieces */