Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 7a419a7..0d32544 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -60,12 +60,17 @@
* @knode_parent - node in sibling list
* @knode_driver - node in driver list
* @knode_bus - node in bus list
+ * @knode_class - node in class list
* @deferred_probe - entry in deferred_probe_list which is used to retry the
* binding of drivers which were unable to get all the resources needed by
* the device; typically because it depends on another driver getting
* probed first.
+ * @async_driver - pointer to device driver awaiting probe via async_probe
* @device - pointer back to the struct device that this structure is
* associated with.
+ * @dead - This device is currently either in the process of or has been
+ * removed from the system. Any asynchronous events scheduled for this
+ * device should exit without taking any action.
*
* Nothing outside of the driver core should ever touch these fields.
*/
@@ -74,8 +79,11 @@
struct klist_node knode_parent;
struct klist_node knode_driver;
struct klist_node knode_bus;
+ struct klist_node knode_class;
struct list_head deferred_probe;
+ struct device_driver *async_driver;
struct device *device;
+ u8 dead:1;
};
#define to_device_private_parent(obj) \
container_of(obj, struct device_private, knode_parent)
@@ -83,6 +91,8 @@
container_of(obj, struct device_private, knode_driver)
#define to_device_private_bus(obj) \
container_of(obj, struct device_private, knode_bus)
+#define to_device_private_class(obj) \
+ container_of(obj, struct device_private, knode_class)
/* initialisation functions */
extern int devices_init(void);
@@ -124,6 +134,8 @@
const struct attribute_group **groups);
extern void driver_remove_groups(struct device_driver *drv,
const struct attribute_group **groups);
+int device_driver_attach(struct device_driver *drv, struct device *dev);
+void device_driver_detach(struct device *dev);
extern char *make_class_name(const char *name, struct kobject *kobj);
@@ -153,6 +165,7 @@
/* Device links support */
extern int device_links_read_lock(void);
extern void device_links_read_unlock(int idx);
+extern int device_links_read_lock_held(void);
extern int device_links_check_suppliers(struct device *dev);
extern void device_links_driver_bound(struct device *dev);
extern void device_links_driver_cleanup(struct device *dev);