diff options
Diffstat (limited to 'include/linux/serdev.h')
| -rw-r--r-- | include/linux/serdev.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/serdev.h b/include/linux/serdev.h index 5f6bfe4f6d95..f5f97fa25e8a 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -93,6 +93,7 @@ struct serdev_controller_ops { void (*wait_until_sent)(struct serdev_controller *, long); int (*get_tiocm)(struct serdev_controller *); int (*set_tiocm)(struct serdev_controller *, unsigned int, unsigned int); + int (*break_ctl)(struct serdev_controller *ctrl, unsigned int break_state); }; /** @@ -203,6 +204,7 @@ int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_ void serdev_device_wait_until_sent(struct serdev_device *, long); int serdev_device_get_tiocm(struct serdev_device *); int serdev_device_set_tiocm(struct serdev_device *, int, int); +int serdev_device_break_ctl(struct serdev_device *serdev, int break_state); void serdev_device_write_wakeup(struct serdev_device *); int serdev_device_write(struct serdev_device *, const unsigned char *, size_t, long); void serdev_device_write_flush(struct serdev_device *); @@ -250,11 +252,15 @@ static inline int serdev_device_write_buf(struct serdev_device *serdev, static inline void serdev_device_wait_until_sent(struct serdev_device *sdev, long timeout) {} static inline int serdev_device_get_tiocm(struct serdev_device *serdev) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear) { - return -ENOTSUPP; + return -EOPNOTSUPP; +} +static inline int serdev_device_break_ctl(struct serdev_device *serdev, int break_state) +{ + return -EOPNOTSUPP; } static inline int serdev_device_write(struct serdev_device *sdev, const unsigned char *buf, size_t count, unsigned long timeout) |