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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 17:05:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 17:05:21 -0700
commit6de3d58dcfbab516dbe9aff36ea9542f40cd1bf2 (patch)
treefc5b83ef3a34b40c71e397ee7b1e6c423628e786 /drivers
parente0066c4ea9ffa420cb79814411ff74fdc7b7d98e (diff)
parentc3bb7fadaf52de3637b834002dac27f6250b4b49 (diff)
downloadop-kernel-dev-6de3d58dcfbab516dbe9aff36ea9542f40cd1bf2.zip
op-kernel-dev-6de3d58dcfbab516dbe9aff36ea9542f40cd1bf2.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: klist: fix coding style errors in klist.h and klist.c driver core: remove no longer used "struct class_device" pcmcia: remove pccard_sysfs_interface warnings devres: support addresses greater than an unsigned long via dev_ioremap kobject: do not copy vargs, just pass them around sysfs: sysfs_update_group stub for CONFIG_SYSFS=n DEBUGFS: Correct location of debugfs API documentation. driver core: warn about duplicate driver names on the same bus klist: implement klist_add_{after|before}() klist: implement KLIST_INIT() and DEFINE_KLIST() sysfs: Disallow truncation of files in sysfs
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/base.h11
-rw-r--r--drivers/base/class.c638
-rw-r--r--drivers/base/driver.c10
-rw-r--r--drivers/pcmcia/cs.c13
-rw-r--r--drivers/pcmcia/cs_internal.h3
-rw-r--r--drivers/pcmcia/socket_sysfs.c52
6 files changed, 39 insertions, 688 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h
index c044414..2c9ae43 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -64,17 +64,6 @@ extern void sysdev_shutdown(void);
extern int sysdev_suspend(pm_message_t state);
extern int sysdev_resume(void);
-static inline struct class_device *to_class_dev(struct kobject *obj)
-{
- 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);
-}
-
extern char *make_class_name(const char *name, struct kobject *kobj);
extern int devres_release_all(struct device *dev);
diff --git a/drivers/base/class.c b/drivers/base/class.c
index b490179..0ef00e8 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -179,27 +179,13 @@ static void class_create_release(struct class *cls)
kfree(cls);
}
-static void class_device_create_release(struct class_device *class_dev)
-{
- pr_debug("%s called for %s\n", __func__, class_dev->class_id);
- kfree(class_dev);
-}
-
-/* needed to allow these devices to have parent class devices */
-static int class_device_create_uevent(struct class_device *class_dev,
- struct kobj_uevent_env *env)
-{
- pr_debug("%s called for %s\n", __func__, class_dev->class_id);
- return 0;
-}
-
/**
* class_create - create a struct class structure
* @owner: pointer to the module that is to "own" this struct class
* @name: pointer to a string for the name of this class.
*
* This is used to create a struct class pointer that can then be used
- * in calls to class_device_create().
+ * in calls to device_create().
*
* Note, the pointer created here is to be destroyed when finished by
* making a call to class_destroy().
@@ -218,7 +204,6 @@ struct class *class_create(struct module *owner, const char *name)
cls->name = name;
cls->owner = owner;
cls->class_release = class_create_release;
- cls->release = class_device_create_release;
retval = class_register(cls);
if (retval)
@@ -246,113 +231,6 @@ void class_destroy(struct class *cls)
class_unregister(cls);
}
-/* Class Device Stuff */
-
-int class_device_create_file(struct class_device *class_dev,
- const struct class_device_attribute *attr)
-{
- int error = -EINVAL;
- if (class_dev)
- error = sysfs_create_file(&class_dev->kobj, &attr->attr);
- return error;
-}
-
-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);
-}
-
-int class_device_create_bin_file(struct class_device *class_dev,
- struct bin_attribute *attr)
-{
- int error = -EINVAL;
- if (class_dev)
- error = sysfs_create_bin_file(&class_dev->kobj, attr);
- return error;
-}
-
-void class_device_remove_bin_file(struct class_device *class_dev,
- struct bin_attribute *attr)
-{
- if (class_dev)
- sysfs_remove_bin_file(&class_dev->kobj, attr);
-}
-
-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);
- ssize_t ret = 0;
-
- if (class_dev_attr->show)
- ret = class_dev_attr->show(cd, buf);
- return ret;
-}
-
-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);
- ssize_t ret = 0;
-
- if (class_dev_attr->store)
- ret = class_dev_attr->store(cd, buf, count);
- return ret;
-}
-
-static struct sysfs_ops class_dev_sysfs_ops = {
- .show = class_device_attr_show,
- .store = class_device_attr_store,
-};
-
-static void class_dev_release(struct kobject *kobj)
-{
- struct class_device *cd = to_class_dev(kobj);
- struct class *cls = cd->class;
-
- pr_debug("device class '%s': release.\n", cd->class_id);
-
- if (cd->release)
- cd->release(cd);
- 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",
- cd->class_id);
- WARN_ON(1);
- }
-}
-
-static struct kobj_type class_device_ktype = {
- .sysfs_ops = &class_dev_sysfs_ops,
- .release = class_dev_release,
-};
-
-static int class_uevent_filter(struct kset *kset, struct kobject *kobj)
-{
- struct kobj_type *ktype = get_ktype(kobj);
-
- if (ktype == &class_device_ktype) {
- struct class_device *class_dev = to_class_dev(kobj);
- if (class_dev->class)
- return 1;
- }
- return 0;
-}
-
-static const char *class_uevent_name(struct kset *kset, struct kobject *kobj)
-{
- struct class_device *class_dev = to_class_dev(kobj);
-
- return class_dev->class->name;
-}
-
#ifdef CONFIG_SYSFS_DEPRECATED
char *make_class_name(const char *name, struct kobject *kobj)
{
@@ -370,445 +248,8 @@ char *make_class_name(const char *name, struct kobject *kobj)
strcat(class_name, kobject_name(kobj));
return class_name;
}
-
-static int make_deprecated_class_device_links(struct class_device *class_dev)
-{
- char *class_name;
- int error;
-
- if (!class_dev->dev)
- return 0;
-
- class_name = make_class_name(class_dev->class->name, &class_dev->kobj);
- if (class_name)
- error = sysfs_create_link(&class_dev->dev->kobj,
- &class_dev->kobj, class_name);
- else
- error = -ENOMEM;
- kfree(class_name);
- return error;
-}
-
-static void remove_deprecated_class_device_links(struct class_device *class_dev)
-{
- char *class_name;
-
- if (!class_dev->dev)
- return;
-
- class_name = make_class_name(class_dev->class->name, &class_dev->kobj);
- if (class_name)
- sysfs_remove_link(&class_dev->dev->kobj, class_name);
- kfree(class_name);
-}
-#else
-static inline int make_deprecated_class_device_links(struct class_device *cd)
-{ return 0; }
-static void remove_deprecated_class_device_links(struct class_device *cd)
-{ }
#endif
-static int class_uevent(struct kset *kset, struct kobject *kobj,
- struct kobj_uevent_env *env)
-{
- struct class_device *class_dev = to_class_dev(kobj);
- struct device *dev = class_dev->dev;
- int retval = 0;
-
- pr_debug("%s - name = %s\n", __func__, class_dev->class_id);
-
- if (MAJOR(class_dev->devt)) {
- add_uevent_var(env, "MAJOR=%u", MAJOR(class_dev->devt));
-
- add_uevent_var(env, "MINOR=%u", MINOR(class_dev->devt));
- }
-
- if (dev) {
- const char *path = kobject_get_path(&dev->kobj, GFP_KERNEL);
- if (path) {
- add_uevent_var(env, "PHYSDEVPATH=%s", path);
- kfree(path);
- }
-
- if (dev->bus)
- add_uevent_var(env, "PHYSDEVBUS=%s", dev->bus->name);
-
- if (dev->driver)
- add_uevent_var(env, "PHYSDEVDRIVER=%s",
- dev->driver->name);
- }
-
- if (class_dev->uevent) {
- /* have the class device specific function add its stuff */
- retval = class_dev->uevent(class_dev, env);
- if (retval)
- pr_debug("class_dev->uevent() returned %d\n", retval);
- } else if (class_dev->class->uevent) {
- /* have the class specific function add its stuff */
- retval = class_dev->class->uevent(class_dev, env);
- if (retval)
- pr_debug("class->uevent() returned %d\n", retval);
- }
-
- return retval;
-}
-
-static struct kset_uevent_ops class_uevent_ops = {
- .filter = class_uevent_filter,
- .name = class_uevent_name,
- .uevent = class_uevent,
-};
-
-/*
- * DO NOT copy how this is created, kset_create_and_add() should be
- * called, but this is a hold-over from the old-way and will be deleted
- * entirely soon.
- */
-static struct kset class_obj_subsys = {
- .uevent_ops = &class_uevent_ops,
-};
-
-static int class_device_add_attrs(struct class_device *cd)
-{
- int i;
- int error = 0;
- 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]);
- if (error)
- goto err;
- }
- }
-done:
- return error;
-err:
- while (--i >= 0)
- class_device_remove_file(cd, &cls->class_dev_attrs[i]);
- goto done;
-}
-
-static void class_device_remove_attrs(struct class_device *cd)
-{
- int i;
- 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]);
- }
-}
-
-static int class_device_add_groups(struct class_device *cd)
-{
- int i;
- int error = 0;
-
- if (cd->groups) {
- for (i = 0; cd->groups[i]; i++) {
- error = sysfs_create_group(&cd->kobj, cd->groups[i]);
- if (error) {
- while (--i >= 0)
- sysfs_remove_group(&cd->kobj,
- cd->groups[i]);
- goto out;
- }
- }
- }
-out:
- return error;
-}
-
-static void class_device_remove_groups(struct class_device *cd)
-{
- int 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)
-{
- return print_dev_t(buf, class_dev->devt);
-}
-
-static struct class_device_attribute class_devt_attr =
- __ATTR(dev, S_IRUGO, show_dev, NULL);
-
-static ssize_t store_uevent(struct class_device *class_dev,
- const char *buf, size_t count)
-{
- kobject_uevent(&class_dev->kobj, KOBJ_ADD);
- return count;
-}
-
-static struct class_device_attribute class_uevent_attr =
- __ATTR(uevent, S_IWUSR, NULL, store_uevent);
-
-void class_device_initialize(struct class_device *class_dev)
-{
- class_dev->kobj.kset = &class_obj_subsys;
- kobject_init(&class_dev->kobj, &class_device_ktype);
- INIT_LIST_HEAD(&class_dev->node);
-}
-
-int class_device_add(struct class_device *class_dev)
-{
- struct class *parent_class = NULL;
- struct class_device *parent_class_dev = NULL;
- struct class_interface *class_intf;
- int error = -EINVAL;
-
- class_dev = class_device_get(class_dev);
- if (!class_dev)
- return -EINVAL;
-
- if (!strlen(class_dev->class_id))
- goto out1;
-
- parent_class = class_get(class_dev->class);
- if (!parent_class)
- goto out1;
-
- parent_class_dev = class_device_get(class_dev->parent);
-
- pr_debug("CLASS: registering class device: ID = '%s'\n",
- class_dev->class_id);
-
- /* first, register with generic layer. */
- if (parent_class_dev)
- class_dev->kobj.parent = &parent_class_dev->kobj;
- else
- class_dev->kobj.parent = &parent_class->subsys.kobj;
-
- error = kobject_add(&class_dev->kobj, class_dev->kobj.parent,
- "%s", class_dev->class_id);
- if (error)
- goto out2;
-
- /* add the needed attributes to this device */
- error = sysfs_create_link(&class_dev->kobj,
- &parent_class->subsys.kobj, "subsystem");
- if (error)
- goto out3;
-
- error = class_device_create_file(class_dev, &class_uevent_attr);
- if (error)
- goto out3;
-
- if (MAJOR(class_dev->devt)) {
- error = class_device_create_file(class_dev, &class_devt_attr);
- if (error)
- goto out4;
- }
-
- error = class_device_add_attrs(class_dev);
- if (error)
- goto out5;
-
- if (class_dev->dev) {
- error = sysfs_create_link(&class_dev->kobj,
- &class_dev->dev->kobj, "device");
- if (error)
- goto out6;
- }
-
- error = class_device_add_groups(class_dev);
- if (error)
- goto out7;
-
- error = make_deprecated_class_device_links(class_dev);
- if (error)
- goto out8;
-
- kobject_uevent(&class_dev->kobj, KOBJ_ADD);
-
- /* notify any interfaces this device is now here */
- down(&parent_class->sem);
- list_add_tail(&class_dev->node, &parent_class->children);
- list_for_each_entry(class_intf, &parent_class->interfaces, node) {
- if (class_intf->add)
- class_intf->add(class_dev, class_intf);
- }
- up(&parent_class->sem);
-
- goto out1;
-
- out8:
- class_device_remove_groups(class_dev);
- out7:
- if (class_dev->dev)
- sysfs_remove_link(&class_dev->kobj, "device");
- out6:
- class_device_remove_attrs(class_dev);
- out5:
- if (MAJOR(class_dev->devt))
- class_device_remove_file(class_dev, &class_devt_attr);
- out4:
- class_device_remove_file(class_dev, &class_uevent_attr);
- out3:
- kobject_del(&class_dev->kobj);
- out2:
- if (parent_class_dev)
- class_device_put(parent_class_dev);
- class_put(parent_class);
- out1:
- class_device_put(class_dev);
- return error;
-}
-
-int class_device_register(struct class_device *class_dev)
-{
- class_device_initialize(class_dev);
- return class_device_add(class_dev);
-}
-
-/**
- * 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.
- * @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.
- * @fmt: string for the class device's name
- *
- * This function can be used by char device classes. A struct
- * class_device will be created in sysfs, registered to the specified
- * class.
- * A "dev" file will be created, showing the dev_t for the device, if
- * the dev_t is not 0,0.
- * If a pointer to a parent struct class_device is passed in, the newly
- * created struct class_device will be a child of that device in sysfs.
- * The pointer to the struct class_device will be returned from the
- * call. Any further sysfs files that might be required can be created
- * using this pointer.
- *
- * Note: the struct class passed to this function must have previously
- * been created with a call to class_create().
- */
-struct class_device *class_device_create(struct class *cls,
- struct class_device *parent,
- dev_t devt,
- struct device *device,
- const char *fmt, ...)
-{
- va_list args;
- struct class_device *class_dev = NULL;
- int retval = -ENODEV;
-
- if (cls == NULL || IS_ERR(cls))
- goto error;
-
- class_dev = kzalloc(sizeof(*class_dev), GFP_KERNEL);
- if (!class_dev) {
- retval = -ENOMEM;
- goto error;
- }
-
- class_dev->devt = devt;
- class_dev->dev = device;
- class_dev->class = cls;
- class_dev->parent = parent;
- class_dev->release = class_device_create_release;
- class_dev->uevent = class_device_create_uevent;
-
- va_start(args, fmt);
- vsnprintf(class_dev->class_id, BUS_ID_SIZE, fmt, args);
- va_end(args);
- retval = class_device_register(class_dev);
- if (retval)
- goto error;
-
- return class_dev;
-
-error:
- kfree(class_dev);
- return ERR_PTR(retval);
-}
-
-void class_device_del(struct class_device *class_dev)
-{
- struct class *parent_class = class_dev->class;
- struct class_device *parent_device = class_dev->parent;
- struct class_interface *class_intf;
-
- if (parent_class) {
- down(&parent_class->sem);
- list_del_init(&class_dev->node);
- list_for_each_entry(class_intf, &parent_class->interfaces, node)
- if (class_intf->remove)
- class_intf->remove(class_dev, class_intf);
- up(&parent_class->sem);
- }
-
- if (class_dev->dev) {
- remove_deprecated_class_device_links(class_dev);
- sysfs_remove_link(&class_dev->kobj, "device");
- }
- sysfs_remove_link(&class_dev->kobj, "subsystem");
- class_device_remove_file(class_dev, &class_uevent_attr);
- if (MAJOR(class_dev->devt))
- class_device_remove_file(class_dev, &class_devt_attr);
- class_device_remove_attrs(class_dev);
- class_device_remove_groups(class_dev);
-
- kobject_uevent(&class_dev->kobj, KOBJ_REMOVE);
- kobject_del(&class_dev->kobj);
-
- class_device_put(parent_device);
- class_put(parent_class);
-}
-
-void class_device_unregister(struct class_device *class_dev)
-{
- pr_debug("CLASS: Unregistering class device. ID = '%s'\n",
- class_dev->class_id);
- class_device_del(class_dev);
- class_device_put(class_dev);
-}
-
-/**
- * class_device_destroy - removes a class device that was created with class_device_create()
- * @cls: the pointer to the struct class that this device was registered * with.
- * @devt: the dev_t of the device that was previously registered.
- *
- * This call unregisters and cleans up a class device that was created with a
- * call to class_device_create()
- */
-void class_device_destroy(struct class *cls, dev_t devt)
-{
- struct class_device *class_dev = NULL;
- struct class_device *class_dev_tmp;
-
- down(&cls->sem);
- list_for_each_entry(class_dev_tmp, &cls->children, node) {
- if (class_dev_tmp->devt == devt) {
- class_dev = class_dev_tmp;
- break;
- }
- }
- up(&cls->sem);
-
- if (class_dev)
- class_device_unregister(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));
- return NULL;
-}
-
-void class_device_put(struct class_device *class_dev)
-{
- if (class_dev)
- kobject_put(&class_dev->kobj);
-}
-
/**
* class_for_each_device - device iterator
* @class: the class we're iterating
@@ -897,56 +338,9 @@ struct device *class_find_device(struct class *class, void *data,
}
EXPORT_SYMBOL_GPL(class_find_device);
-/**
- * class_find_child - device iterator for locating a particular class_device
- * @class: the class we're iterating
- * @data: data for the match function
- * @match: function to check class_device
- *
- * This function returns a reference to a class_device that is 'found' for
- * later use, as determined by the @match callback.
- *
- * The callback should return 0 if the class_device doesn't match and non-zero
- * if it does. If the callback returns non-zero, this function will
- * return to the caller and not iterate over any more class_devices.
- *
- * Note, you will need to drop the reference with class_device_put() after use.
- *
- * We hold class->sem in this function, so it can not be
- * re-acquired in @match, otherwise it will self-deadlocking. For
- * example, calls to add or remove class members would be verboten.
- */
-struct class_device *class_find_child(struct class *class, void *data,
- int (*match)(struct class_device *, void *))
-{
- struct class_device *dev;
- int found = 0;
-
- if (!class)
- return NULL;
-
- down(&class->sem);
- list_for_each_entry(dev, &class->children, node) {
- dev = class_device_get(dev);
- if (dev) {
- if (match(dev, data)) {
- found = 1;
- break;
- } else
- class_device_put(dev);
- } else
- break;
- }
- up(&class->sem);
-
- return found ? dev : NULL;
-}
-EXPORT_SYMBOL_GPL(class_find_child);
-
int class_interface_register(struct class_interface *class_intf)
{
struct class *parent;
- struct class_device *class_dev;
struct device *dev;
if (!class_intf || !class_intf->class)
@@ -958,10 +352,6 @@ int class_interface_register(struct class_interface *class_intf)
down(&parent->sem);
list_add_tail(&class_intf->node, &parent->interfaces);
- if (class_intf->add) {
- list_for_each_entry(class_dev, &parent->children, node)
- class_intf->add(class_dev, class_intf);
- }
if (class_intf->add_dev) {
list_for_each_entry(dev, &parent->devices, node)
class_intf->add_dev(dev, class_intf);
@@ -974,7 +364,6 @@ int class_interface_register(struct class_interface *class_intf)
void class_interface_unregister(struct class_interface *class_intf)
{
struct class *parent = class_intf->class;
- struct class_device *class_dev;
struct device *dev;
if (!parent)
@@ -982,10 +371,6 @@ void class_interface_unregister(struct class_interface *class_intf)
down(&parent->sem);
list_del_init(&class_intf->node);
- if (class_intf->remove) {
- list_for_each_entry(class_dev, &parent->children, node)
- class_intf->remove(class_dev, class_intf);
- }
if (class_intf->remove_dev) {
list_for_each_entry(dev, &parent->devices, node)
class_intf->remove_dev(dev, class_intf);
@@ -1000,13 +385,6 @@ int __init classes_init(void)
class_kset = kset_create_and_add("class", NULL, NULL);
if (!class_kset)
return -ENOMEM;
-
- /* ick, this is ugly, the things we go through to keep from showing up
- * in sysfs... */
- kset_init(&class_obj_subsys);
- kobject_set_name(&class_obj_subsys.kobj, "class_obj");
- if (!class_obj_subsys.kobj.parent)
- class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
return 0;
}
@@ -1017,19 +395,5 @@ EXPORT_SYMBOL_GPL(class_unregister);
EXPORT_SYMBOL_GPL(class_create);
EXPORT_SYMBOL_GPL(class_destroy);
-EXPORT_SYMBOL_GPL(class_device_register);
-EXPORT_SYMBOL_GPL(class_device_unregister);
-EXPORT_SYMBOL_GPL(class_device_initialize);
-EXPORT_SYMBOL_GPL(class_device_add);
-EXPORT_SYMBOL_GPL(class_device_del);
-EXPORT_SYMBOL_GPL(class_device_get);
-EXPORT_SYMBOL_GPL(class_device_put);
-EXPORT_SYMBOL_GPL(class_device_create);
-EXPORT_SYMBOL_GPL(class_device_destroy);
-EXPORT_SYMBOL_GPL(class_device_create_file);
-EXPORT_SYMBOL_GPL(class_device_remove_file);
-EXPORT_SYMBOL_GPL(class_device_create_bin_file);
-EXPORT_SYMBOL_GPL(class_device_remove_bin_file);
-
EXPORT_SYMBOL_GPL(class_interface_register);
EXPORT_SYMBOL_GPL(class_interface_unregister);
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 9a6537f..2ef5acf 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -217,12 +217,22 @@ static void driver_remove_groups(struct device_driver *drv,
int driver_register(struct device_driver *drv)
{
int ret;
+ struct device_driver *other;
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);
+
+ other = driver_find(drv->name, drv->bus);
+ if (other) {
+ put_driver(other);
+ printk(KERN_ERR "Error: Driver '%s' is already registered, "
+ "aborting...\n", drv->name);
+ return -EEXIST;
+ }
+
ret = bus_add_driver(drv);
if (ret)
return ret;
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 56230db..29276bd 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -652,6 +652,9 @@ static int pccardd(void *__skt)
complete(&skt->thread_done);
return 0;
}
+ ret = pccard_sysfs_add_socket(&skt->dev);
+ if (ret)
+ dev_warn(&skt->dev, "err %d adding socket attributes\n", ret);
add_wait_queue(&skt->thread_wait, &wait);
complete(&skt->thread_done);
@@ -694,6 +697,7 @@ static int pccardd(void *__skt)
remove_wait_queue(&skt->thread_wait, &wait);
/* remove from the device core */
+ pccard_sysfs_remove_socket(&skt->dev);
device_unregister(&skt->dev);
return 0;
@@ -940,20 +944,13 @@ EXPORT_SYMBOL(pcmcia_socket_class);
static int __init init_pcmcia_cs(void)
{
- int ret;
-
init_completion(&pcmcia_unload);
- ret = class_register(&pcmcia_socket_class);
- if (ret)
- return (ret);
- return class_interface_register(&pccard_sysfs_interface);
+ return class_register(&pcmcia_socket_class);
}
static void __exit exit_pcmcia_cs(void)
{
- class_interface_unregister(&pccard_sysfs_interface);
class_unregister(&pcmcia_socket_class);
-
wait_for_completion(&pcmcia_unload);
}
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index 9fa207e..e7d5d14 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -121,7 +121,8 @@ struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
void release_resource_db(struct pcmcia_socket *s);
/* In socket_sysfs.c */
-extern struct class_interface pccard_sysfs_interface;
+extern int pccard_sysfs_add_socket(struct device *dev);
+extern void pccard_sysfs_remove_socket(struct device *dev);
/* In cs.c */
extern struct rw_semaphore pcmcia_socket_list_rwsem;
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index b440900..562384d 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -356,19 +356,23 @@ static ssize_t pccard_store_cis(struct kobject *kobj,
}
-static struct device_attribute *pccard_socket_attributes[] = {
- &dev_attr_card_type,
- &dev_attr_card_voltage,
- &dev_attr_card_vpp,
- &dev_attr_card_vcc,
- &dev_attr_card_insert,
- &dev_attr_card_pm_state,
- &dev_attr_card_eject,
- &dev_attr_card_irq_mask,
- &dev_attr_available_resources_setup_done,
+static struct attribute *pccard_socket_attributes[] = {
+ &dev_attr_card_type.attr,
+ &dev_attr_card_voltage.attr,
+ &dev_attr_card_vpp.attr,
+ &dev_attr_card_vcc.attr,
+ &dev_attr_card_insert.attr,
+ &dev_attr_card_pm_state.attr,
+ &dev_attr_card_eject.attr,
+ &dev_attr_card_irq_mask.attr,
+ &dev_attr_available_resources_setup_done.attr,
NULL,
};
+static const struct attribute_group socket_attrs = {
+ .attrs = pccard_socket_attributes,
+};
+
static struct bin_attribute pccard_cis_attr = {
.attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
.size = 0x200,
@@ -376,35 +380,21 @@ static struct bin_attribute pccard_cis_attr = {
.write = pccard_store_cis,
};
-static int __devinit pccard_sysfs_add_socket(struct device *dev,
- struct class_interface *class_intf)
+int pccard_sysfs_add_socket(struct device *dev)
{
- struct device_attribute **attr;
int ret = 0;
- for (attr = pccard_socket_attributes; *attr; attr++) {
- ret = device_create_file(dev, *attr);
+ ret = sysfs_create_group(&dev->kobj, &socket_attrs);
+ if (!ret) {
+ ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
if (ret)
- break;
+ sysfs_remove_group(&dev->kobj, &socket_attrs);
}
- if (!ret)
- ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
-
return ret;
}
-static void __devexit pccard_sysfs_remove_socket(struct device *dev,
- struct class_interface *class_intf)
+void pccard_sysfs_remove_socket(struct device *dev)
{
- struct device_attribute **attr;
-
sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
- for (attr = pccard_socket_attributes; *attr; attr++)
- device_remove_file(dev, *attr);
+ sysfs_remove_group(&dev->kobj, &socket_attrs);
}
-
-struct class_interface pccard_sysfs_interface = {
- .class = &pcmcia_socket_class,
- .add_dev = &pccard_sysfs_add_socket,
- .remove_dev = __devexit_p(&pccard_sysfs_remove_socket),
-};
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