diff options
| -rw-r--r-- | include/linux/device.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 315b00171335..686f2a578fbd 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -917,6 +917,18 @@ static inline bool dev_has_sync_state(struct device *dev) return false; } +static inline int dev_set_drv_sync_state(struct device *dev, + void (*fn)(struct device *dev)) +{ + if (!dev || !dev->driver) + return 0; + if (dev->driver->sync_state && dev->driver->sync_state != fn) + return -EBUSY; + if (!dev->driver->sync_state) + dev->driver->sync_state = fn; + return 0; +} + static inline void dev_set_removable(struct device *dev, enum device_removable removable) { |