__ATTR_PREALLOC(_name, _mode, _show, _store)
#define DEVICE_ATTR_RW(_name) \
struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
+#define DEVICE_ATTR_ADMIN_RW(_name) \
+ struct device_attribute dev_attr_##_name = __ATTR_RW_MODE(_name, 0600)
#define DEVICE_ATTR_RO(_name) \
struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
+#define DEVICE_ATTR_ADMIN_RO(_name) \
+ struct device_attribute dev_attr_##_name = __ATTR_RO_MODE(_name, 0400)
#define DEVICE_ATTR_WO(_name) \
struct device_attribute dev_attr_##_name = __ATTR_WO(_name)
#define DEVICE_ULONG_ATTR(_name, _mode, _var) \
struct device_attribute dev_attr_##_name = \
__ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store)
-extern int device_create_file(struct device *device,
- const struct device_attribute *entry);
-extern void device_remove_file(struct device *dev,
- const struct device_attribute *attr);
-extern bool device_remove_file_self(struct device *dev,
- const struct device_attribute *attr);
-extern int __must_check device_create_bin_file(struct device *dev,
+int device_create_file(struct device *device,
+ const struct device_attribute *entry);
+void device_remove_file(struct device *dev,
+ const struct device_attribute *attr);
+bool device_remove_file_self(struct device *dev,
+ const struct device_attribute *attr);
+int __must_check device_create_bin_file(struct device *dev,
const struct bin_attribute *attr);
-extern void device_remove_bin_file(struct device *dev,
- const struct bin_attribute *attr);
+void device_remove_bin_file(struct device *dev,
+ const struct bin_attribute *attr);
/* device resource management */
typedef void (*dr_release_t)(struct device *dev, void *res);
typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data);
#ifdef CONFIG_DEBUG_DEVRES
-extern void *__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp,
- int nid, const char *name) __malloc;
+void *__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp,
+ int nid, const char *name) __malloc;
#define devres_alloc(release, size, gfp) \
__devres_alloc_node(release, size, gfp, NUMA_NO_NODE, #release)
#define devres_alloc_node(release, size, gfp, nid) \
__devres_alloc_node(release, size, gfp, nid, #release)
#else
-extern void *devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp,
- int nid) __malloc;
+void *devres_alloc_node(dr_release_t release, size_t size,
+ gfp_t gfp, int nid) __malloc;
static inline void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp)
{
return devres_alloc_node(release, size, gfp, NUMA_NO_NODE);
}
#endif
-extern void devres_for_each_res(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data,
- void (*fn)(struct device *, void *, void *),
- void *data);
-extern void devres_free(void *res);
-extern void devres_add(struct device *dev, void *res);
-extern void *devres_find(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-extern void *devres_get(struct device *dev, void *new_res,
- dr_match_t match, void *match_data);
-extern void *devres_remove(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-extern int devres_destroy(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data);
-extern int devres_release(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data);
+void devres_for_each_res(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data,
+ void (*fn)(struct device *, void *, void *),
+ void *data);
+void devres_free(void *res);
+void devres_add(struct device *dev, void *res);
+void *devres_find(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data);
+void *devres_get(struct device *dev, void *new_res,
+ dr_match_t match, void *match_data);
+void *devres_remove(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data);
+int devres_destroy(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data);
+int devres_release(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data);
/* devres group */
-extern void * __must_check devres_open_group(struct device *dev, void *id,
- gfp_t gfp);
-extern void devres_close_group(struct device *dev, void *id);
-extern void devres_remove_group(struct device *dev, void *id);
-extern int devres_release_group(struct device *dev, void *id);
+void * __must_check devres_open_group(struct device *dev, void *id, gfp_t gfp);
+void devres_close_group(struct device *dev, void *id);
+void devres_remove_group(struct device *dev, void *id);
+int devres_release_group(struct device *dev, void *id);
/* managed devm_k.alloc/kfree for device drivers */
-extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp) __malloc;
-extern __printf(3, 0)
-char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt,
- va_list ap) __malloc;
-extern __printf(3, 4)
-char *devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...) __malloc;
+void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp) __malloc;
+__printf(3, 0) char *devm_kvasprintf(struct device *dev, gfp_t gfp,
+ const char *fmt, va_list ap) __malloc;
+__printf(3, 4) char *devm_kasprintf(struct device *dev, gfp_t gfp,
+ const char *fmt, ...) __malloc;
static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp)
{
return devm_kmalloc(dev, size, gfp | __GFP_ZERO);
{
return devm_kmalloc_array(dev, n, size, flags | __GFP_ZERO);
}
-extern void devm_kfree(struct device *dev, const void *p);
-extern char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc;
-extern const char *devm_kstrdup_const(struct device *dev,
- const char *s, gfp_t gfp);
-extern void *devm_kmemdup(struct device *dev, const void *src, size_t len,
- gfp_t gfp);
+void devm_kfree(struct device *dev, const void *p);
+char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc;
+const char *devm_kstrdup_const(struct device *dev, const char *s, gfp_t gfp);
+void *devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp);
-extern unsigned long devm_get_free_pages(struct device *dev,
- gfp_t gfp_mask, unsigned int order);
-extern void devm_free_pages(struct device *dev, unsigned long addr);
+unsigned long devm_get_free_pages(struct device *dev,
+ gfp_t gfp_mask, unsigned int order);
+void devm_free_pages(struct device *dev, unsigned long addr);
void __iomem *devm_ioremap_resource(struct device *dev,
const struct resource *res);
#define DL_FLAG_MANAGED BIT(6)
#define DL_FLAG_SYNC_STATE_ONLY BIT(7)
-/**
- * struct device_link - Device link representation.
- * @supplier: The device on the supplier end of the link.
- * @s_node: Hook to the supplier device's list of links to consumers.
- * @consumer: The device on the consumer end of the link.
- * @c_node: Hook to the consumer device's list of links to suppliers.
- * @status: The state of the link (with respect to the presence of drivers).
- * @flags: Link flags.
- * @rpm_active: Whether or not the consumer device is runtime-PM-active.
- * @kref: Count repeated addition of the same link.
- * @rcu_head: An RCU head to use for deferred execution of SRCU callbacks.
- * @supplier_preactivated: Supplier has been made active before consumer probe.
- */
-struct device_link {
- struct device *supplier;
- struct list_head s_node;
- struct device *consumer;
- struct list_head c_node;
- enum device_link_state status;
- u32 flags;
- refcount_t rpm_active;
- struct kref kref;
-#ifdef CONFIG_SRCU
- struct rcu_head rcu_head;
-#endif
- bool supplier_preactivated; /* Owned by consumer probe. */
-};
-
/**
* enum dl_dev_state - Device driver presence tracking information.
* @DL_DEV_NO_DRIVER: There is no driver attached to the device.
#endif
};
+/**
+ * struct device_link - Device link representation.
+ * @supplier: The device on the supplier end of the link.
+ * @s_node: Hook to the supplier device's list of links to consumers.
+ * @consumer: The device on the consumer end of the link.
+ * @c_node: Hook to the consumer device's list of links to suppliers.
+ * @link_dev: device used to expose link details in sysfs
+ * @status: The state of the link (with respect to the presence of drivers).
+ * @flags: Link flags.
+ * @rpm_active: Whether or not the consumer device is runtime-PM-active.
+ * @kref: Count repeated addition of the same link.
+ * @rcu_head: An RCU head to use for deferred execution of SRCU callbacks.
+ * @supplier_preactivated: Supplier has been made active before consumer probe.
+ */
+struct device_link {
+ struct device *supplier;
+ struct list_head s_node;
+ struct device *consumer;
+ struct list_head c_node;
+ struct device link_dev;
+ enum device_link_state status;
+ u32 flags;
+ refcount_t rpm_active;
+ struct kref kref;
+#ifdef CONFIG_SRCU
+ struct rcu_head rcu_head;
+#endif
+ bool supplier_preactivated; /* Owned by consumer probe. */
+};
+
static inline struct device *kobj_to_dev(struct kobject *kobj)
{
return container_of(kobj, struct device, kobj);
return kobject_name(&dev->kobj);
}
-extern __printf(2, 3)
-int dev_set_name(struct device *dev, const char *name, ...);
+__printf(2, 3) int dev_set_name(struct device *dev, const char *name, ...);
#ifdef CONFIG_NUMA
static inline int dev_to_node(struct device *dev)
/*
* High level routines for use by the bus drivers
*/
-extern int __must_check device_register(struct device *dev);
-extern void device_unregister(struct device *dev);
-extern void device_initialize(struct device *dev);
-extern int __must_check device_add(struct device *dev);
-extern void device_del(struct device *dev);
-extern int device_for_each_child(struct device *dev, void *data,
- int (*fn)(struct device *dev, void *data));
-extern int device_for_each_child_reverse(struct device *dev, void *data,
- int (*fn)(struct device *dev, void *data));
-extern struct device *device_find_child(struct device *dev, void *data,
- int (*match)(struct device *dev, void *data));
-extern struct device *device_find_child_by_name(struct device *parent,
- const char *name);
-extern int device_rename(struct device *dev, const char *new_name);
-extern int device_move(struct device *dev, struct device *new_parent,
- enum dpm_order dpm_order);
-extern int device_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid);
-extern const char *device_get_devnode(struct device *dev,
- umode_t *mode, kuid_t *uid, kgid_t *gid,
- const char **tmp);
+int __must_check device_register(struct device *dev);
+void device_unregister(struct device *dev);
+void device_initialize(struct device *dev);
+int __must_check device_add(struct device *dev);
+void device_del(struct device *dev);
+int device_for_each_child(struct device *dev, void *data,
+ int (*fn)(struct device *dev, void *data));
+int device_for_each_child_reverse(struct device *dev, void *data,
+ int (*fn)(struct device *dev, void *data));
+struct device *device_find_child(struct device *dev, void *data,
+ int (*match)(struct device *dev, void *data));
+struct device *device_find_child_by_name(struct device *parent,
+ const char *name);
+int device_rename(struct device *dev, const char *new_name);
+int device_move(struct device *dev, struct device *new_parent,
+ enum dpm_order dpm_order);
+int device_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid);
+const char *device_get_devnode(struct device *dev, umode_t *mode, kuid_t *uid,
+ kgid_t *gid, const char **tmp);
static inline bool device_supports_offline(struct device *dev)
{
return dev->bus && dev->bus->offline && dev->bus->online;
}
-extern void lock_device_hotplug(void);
-extern void unlock_device_hotplug(void);
-extern int lock_device_hotplug_sysfs(void);
-extern int device_offline(struct device *dev);
-extern int device_online(struct device *dev);
-extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
-extern void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
+void lock_device_hotplug(void);
+void unlock_device_hotplug(void);
+int lock_device_hotplug_sysfs(void);
+int device_offline(struct device *dev);
+int device_online(struct device *dev);
+void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
+void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
void device_set_of_node_from_dev(struct device *dev, const struct device *dev2);
static inline int dev_num_vf(struct device *dev)
/*
* Root device objects for grouping under /sys/devices
*/
-extern struct device *__root_device_register(const char *name,
- struct module *owner);
+struct device *__root_device_register(const char *name, struct module *owner);
/* This is a macro to avoid include problems with THIS_MODULE */
#define root_device_register(name) \
__root_device_register(name, THIS_MODULE)
-extern void root_device_unregister(struct device *root);
+void root_device_unregister(struct device *root);
static inline void *dev_get_platdata(const struct device *dev)
{
* Manual binding of a device to driver. See drivers/base/bus.c
* for information on use.
*/
-extern int __must_check device_bind_driver(struct device *dev);
-extern void device_release_driver(struct device *dev);
-extern int __must_check device_attach(struct device *dev);
-extern int __must_check driver_attach(struct device_driver *drv);
-extern void device_initial_probe(struct device *dev);
-extern int __must_check device_reprobe(struct device *dev);
+int __must_check device_bind_driver(struct device *dev);
+void device_release_driver(struct device *dev);
+int __must_check device_attach(struct device *dev);
+int __must_check driver_attach(struct device_driver *drv);
+void device_initial_probe(struct device *dev);
+int __must_check device_reprobe(struct device *dev);
-extern bool device_is_bound(struct device *dev);
+bool device_is_bound(struct device *dev);
/*
* Easy functions for dynamically creating devices on the fly
*/
-extern __printf(5, 6)
-struct device *device_create(struct class *cls, struct device *parent,
- dev_t devt, void *drvdata,
- const char *fmt, ...);
-extern __printf(6, 7)
-struct device *device_create_with_groups(struct class *cls,
- struct device *parent, dev_t devt, void *drvdata,
- const struct attribute_group **groups,
- const char *fmt, ...);
-extern void device_destroy(struct class *cls, dev_t devt);
-
-extern int __must_check device_add_groups(struct device *dev,
- const struct attribute_group **groups);
-extern void device_remove_groups(struct device *dev,
- const struct attribute_group **groups);
+__printf(5, 6) struct device *
+device_create(struct class *cls, struct device *parent, dev_t devt,
+ void *drvdata, const char *fmt, ...);
+__printf(6, 7) struct device *
+device_create_with_groups(struct class *cls, struct device *parent, dev_t devt,
+ void *drvdata, const struct attribute_group **groups,
+ const char *fmt, ...);
+void device_destroy(struct class *cls, dev_t devt);
+
+int __must_check device_add_groups(struct device *dev,
+ const struct attribute_group **groups);
+void device_remove_groups(struct device *dev,
+ const struct attribute_group **groups);
static inline int __must_check device_add_group(struct device *dev,
const struct attribute_group *grp)
return device_remove_groups(dev, groups);
}
-extern int __must_check devm_device_add_groups(struct device *dev,
+int __must_check devm_device_add_groups(struct device *dev,
const struct attribute_group **groups);
-extern void devm_device_remove_groups(struct device *dev,
- const struct attribute_group **groups);
-extern int __must_check devm_device_add_group(struct device *dev,
- const struct attribute_group *grp);
-extern void devm_device_remove_group(struct device *dev,
- const struct attribute_group *grp);
+void devm_device_remove_groups(struct device *dev,
+ const struct attribute_group **groups);
+int __must_check devm_device_add_group(struct device *dev,
+ const struct attribute_group *grp);
+void devm_device_remove_group(struct device *dev,
+ const struct attribute_group *grp);
/*
* Platform "fixup" functions - allow the platform to have their say
* get_device - atomically increment the reference count for the device.
*
*/
-extern struct device *get_device(struct device *dev);
-extern void put_device(struct device *dev);
-extern bool kill_device(struct device *dev);
+struct device *get_device(struct device *dev);
+void put_device(struct device *dev);
+bool kill_device(struct device *dev);
#ifdef CONFIG_DEVTMPFS
-extern int devtmpfs_mount(void);
+int devtmpfs_mount(void);
#else
static inline int devtmpfs_mount(void) { return 0; }
#endif
/* drivers/base/power/shutdown.c */
-extern void device_shutdown(void);
+void device_shutdown(void);
/* debugging and troubleshooting/diagnostic helpers. */
-extern const char *dev_driver_string(const struct device *dev);
+const char *dev_driver_string(const struct device *dev);
/* Device links interface. */
struct device_link *device_link_add(struct device *consumer,
void device_links_supplier_sync_state_pause(void);
void device_links_supplier_sync_state_resume(void);
+extern __printf(3, 4)
+int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
+
/* Create alias, so I can be autoloaded. */
#define MODULE_ALIAS_CHARDEV(major,minor) \
MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor))
projects / linux-2.6-microblaze.git / blobdiff