#define to_class_attr(_attr) container_of(_attr, struct class_attribute, attr)
#define to_class(obj) container_of(obj, struct class, subsys.kobj)
-static ssize_t
-class_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
+static ssize_t class_attr_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct class_attribute * class_attr = to_class_attr(attr);
- struct class * dc = to_class(kobj);
+ struct class_attribute *class_attr = to_class_attr(attr);
+ struct class *dc = to_class(kobj);
ssize_t ret = -EIO;
if (class_attr->show)
return ret;
}
-static ssize_t
-class_attr_store(struct kobject * kobj, struct attribute * attr,
- const char * buf, size_t count)
+static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t count)
{
- struct class_attribute * class_attr = to_class_attr(attr);
- struct class * dc = to_class(kobj);
+ struct class_attribute *class_attr = to_class_attr(attr);
+ struct class *dc = to_class(kobj);
ssize_t ret = -EIO;
if (class_attr->store)
return ret;
}
-static void class_release(struct kobject * kobj)
+static void class_release(struct kobject *kobj)
{
struct class *class = to_class(kobj);
static struct kset *class_kset;
-int class_create_file(struct class * cls, const struct class_attribute * attr)
+int class_create_file(struct class *cls, const struct class_attribute *attr)
{
int error;
- if (cls) {
+ if (cls)
error = sysfs_create_file(&cls->subsys.kobj, &attr->attr);
- } else
+ else
error = -EINVAL;
return error;
}
-void class_remove_file(struct class * cls, const struct class_attribute * attr)
+void class_remove_file(struct class *cls, const struct class_attribute *attr)
{
if (cls)
sysfs_remove_file(&cls->subsys.kobj, &attr->attr);
static struct class *class_get(struct class *cls)
{
if (cls)
- return container_of(kset_get(&cls->subsys), struct class, subsys);
+ return container_of(kset_get(&cls->subsys),
+ struct class, subsys);
return NULL;
}
-static void class_put(struct class * cls)
+static void class_put(struct class *cls)
{
if (cls)
kset_put(&cls->subsys);
}
-
-static int add_class_attrs(struct class * cls)
+static int add_class_attrs(struct class *cls)
{
int i;
int error = 0;
if (cls->class_attrs) {
for (i = 0; attr_name(cls->class_attrs[i]); i++) {
- error = class_create_file(cls,&cls->class_attrs[i]);
+ error = class_create_file(cls, &cls->class_attrs[i]);
if (error)
- goto Err;
+ goto error;
}
}
- Done:
+done:
return error;
- Err:
+error:
while (--i >= 0)
- class_remove_file(cls,&cls->class_attrs[i]);
- goto Done;
+ class_remove_file(cls, &cls->class_attrs[i]);
+ goto done;
}
-static void remove_class_attrs(struct class * cls)
+static void remove_class_attrs(struct class *cls)
{
int i;
if (cls->class_attrs) {
for (i = 0; attr_name(cls->class_attrs[i]); i++)
- class_remove_file(cls,&cls->class_attrs[i]);
+ class_remove_file(cls, &cls->class_attrs[i]);
}
}
-int class_register(struct class * cls)
+int class_register(struct class *cls)
{
int error;
return error;
}
-void class_unregister(struct class * cls)
+void class_unregister(struct class *cls)
{
pr_debug("device class '%s': unregistering\n", cls->name);
remove_class_attrs(cls);
/* Class Device Stuff */
-int class_device_create_file(struct class_device * class_dev,
- const struct class_device_attribute * attr)
+int class_device_create_file(struct class_device *class_dev,
+ const struct class_device_attribute *attr)
{
int error = -EINVAL;
if (class_dev)
return error;
}
-void class_device_remove_file(struct class_device * class_dev,
- const struct class_device_attribute * attr)
+void class_device_remove_file(struct class_device *class_dev,
+ const struct class_device_attribute *attr)
{
if (class_dev)
sysfs_remove_file(&class_dev->kobj, &attr->attr);
sysfs_remove_bin_file(&class_dev->kobj, attr);
}
-static ssize_t
-class_device_attr_show(struct kobject * kobj, struct attribute * attr,
- char * buf)
+static ssize_t class_device_attr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
- struct class_device_attribute * class_dev_attr = to_class_dev_attr(attr);
- struct class_device * cd = to_class_dev(kobj);
+ struct class_device_attribute *class_dev_attr = to_class_dev_attr(attr);
+ struct class_device *cd = to_class_dev(kobj);
ssize_t ret = 0;
if (class_dev_attr->show)
return ret;
}
-static ssize_t
-class_device_attr_store(struct kobject * kobj, struct attribute * attr,
- const char * buf, size_t count)
+static ssize_t class_device_attr_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buf, size_t count)
{
- struct class_device_attribute * class_dev_attr = to_class_dev_attr(attr);
- struct class_device * cd = to_class_dev(kobj);
+ struct class_device_attribute *class_dev_attr = to_class_dev_attr(attr);
+ struct class_device *cd = to_class_dev(kobj);
ssize_t ret = 0;
if (class_dev_attr->store)
.store = class_device_attr_store,
};
-static void class_dev_release(struct kobject * kobj)
+static void class_dev_release(struct kobject *kobj)
{
struct class_device *cd = to_class_dev(kobj);
- struct class * cls = cd->class;
+ struct class *cls = cd->class;
pr_debug("device class '%s': release.\n", cd->class_id);
else if (cls->release)
cls->release(cd);
else {
- printk(KERN_ERR "Class Device '%s' does not have a release() function, "
- "it is broken and must be fixed.\n",
+ printk(KERN_ERR "Class Device '%s' does not have a release() "
+ "function, it is broken and must be fixed.\n",
cd->class_id);
WARN_ON(1);
}
add_uevent_var(env, "PHYSDEVBUS=%s", dev->bus->name);
if (dev->driver)
- add_uevent_var(env, "PHYSDEVDRIVER=%s", dev->driver->name);
+ add_uevent_var(env, "PHYSDEVDRIVER=%s",
+ dev->driver->name);
}
if (class_dev->uevent) {
.uevent_ops = &class_uevent_ops,
};
-static int class_device_add_attrs(struct class_device * cd)
+static int class_device_add_attrs(struct class_device *cd)
{
int i;
int error = 0;
- struct class * cls = cd->class;
+ struct class *cls = cd->class;
if (cls->class_dev_attrs) {
for (i = 0; attr_name(cls->class_dev_attrs[i]); i++) {
error = class_device_create_file(cd,
- &cls->class_dev_attrs[i]);
+ &cls->class_dev_attrs[i]);
if (error)
- goto Err;
+ goto err;
}
}
- Done:
+done:
return error;
- Err:
+err:
while (--i >= 0)
- class_device_remove_file(cd,&cls->class_dev_attrs[i]);
- goto Done;
+ class_device_remove_file(cd, &cls->class_dev_attrs[i]);
+ goto done;
}
-static void class_device_remove_attrs(struct class_device * cd)
+static void class_device_remove_attrs(struct class_device *cd)
{
int i;
- struct class * cls = cd->class;
+ struct class *cls = cd->class;
if (cls->class_dev_attrs) {
for (i = 0; attr_name(cls->class_dev_attrs[i]); i++)
- class_device_remove_file(cd,&cls->class_dev_attrs[i]);
+ class_device_remove_file(cd, &cls->class_dev_attrs[i]);
}
}
-static int class_device_add_groups(struct class_device * cd)
+static int class_device_add_groups(struct class_device *cd)
{
int i;
int error = 0;
error = sysfs_create_group(&cd->kobj, cd->groups[i]);
if (error) {
while (--i >= 0)
- sysfs_remove_group(&cd->kobj, cd->groups[i]);
+ sysfs_remove_group(&cd->kobj,
+ cd->groups[i]);
goto out;
}
}
return error;
}
-static void class_device_remove_groups(struct class_device * cd)
+static void class_device_remove_groups(struct class_device *cd)
{
int i;
- if (cd->groups) {
- for (i = 0; cd->groups[i]; i++) {
+ if (cd->groups)
+ for (i = 0; cd->groups[i]; i++)
sysfs_remove_group(&cd->kobj, cd->groups[i]);
- }
- }
}
static ssize_t show_dev(struct class_device *class_dev, char *buf)
out3:
kobject_del(&class_dev->kobj);
out2:
- if(parent_class_dev)
+ if (parent_class_dev)
class_device_put(parent_class_dev);
class_put(parent_class);
out1:
/**
* class_device_create - creates a class device and registers it with sysfs
* @cls: pointer to the struct class that this device should be registered to.
- * @parent: pointer to the parent struct class_device of this new device, if any.
+ * @parent: pointer to the parent struct class_device of this new device, if
+ * any.
* @devt: the dev_t for the char device to be added.
- * @device: a pointer to a struct device that is assiociated with this class device.
+ * @device: a pointer to a struct device that is assiociated with this class
+ * device.
* @fmt: string for the class device's name
*
* This function can be used by char device classes. A struct
class_device_unregister(class_dev);
}
-struct class_device * class_device_get(struct class_device *class_dev)
+struct class_device *class_device_get(struct class_device *class_dev)
{
if (class_dev)
return to_class_dev(kobject_get(&class_dev->kobj));
void class_interface_unregister(struct class_interface *class_intf)
{
- struct class * parent = class_intf->class;
+ struct class *parent = class_intf->class;
struct class_device *class_dev;
struct device *dev;