diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 3ba376b8b456..29d8d7ad41e6 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -186,6 +186,18 @@ static inline struct device *bus_find_device_by_name(struct bus_type *bus, return bus_find_device(bus, start, name, device_match_name); } +/** + * bus_find_device_by_of_node : device iterator for locating a particular device + * matching the of_node. + * @bus: bus type + * @np: of_node of the device to match. + */ +static inline struct device * +bus_find_device_by_of_node(struct bus_type *bus, const struct device_node *np) +{ + return bus_find_device(bus, NULL, np, device_match_of_node); +} + struct device *subsys_find_device_by_id(struct bus_type *bus, unsigned int id, struct device *hint); int bus_for_each_drv(struct bus_type *bus, struct device_driver *start, @@ -366,6 +378,19 @@ static inline struct device *driver_find_device_by_name(struct device_driver *dr return driver_find_device(drv, NULL, name, device_match_name); } +/** + * driver_find_device_by_of_node- device iterator for locating a particular device + * by of_node pointer. + * @driver: the driver we're iterating + * @np: of_node pointer to match. + */ +static inline struct device * +driver_find_device_by_of_node(struct device_driver *drv, + const struct device_node *np) +{ + return driver_find_device(drv, NULL, np, device_match_of_node); +} + void driver_deferred_probe_add(struct device *dev); int driver_deferred_probe_check_state(struct device *dev); int driver_deferred_probe_check_state_continue(struct device *dev); @@ -507,6 +532,18 @@ static inline struct device *class_find_device_by_name(struct class *class, return class_find_device(class, NULL, name, device_match_name); } +/** + * class_find_device_by_of_node : device iterator for locating a particular device + * matching the of_node. + * @class: class type + * @np: of_node of the device to match. + */ +static inline struct device * +class_find_device_by_of_node(struct class *class, const struct device_node *np) +{ + return class_find_device(class, NULL, np, device_match_of_node); +} + struct class_attribute { struct attribute attr; ssize_t (*show)(struct class *class, struct class_attribute *attr, |