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Diffstat (limited to 'include/linux/serdev.h')
-rw-r--r--include/linux/serdev.h10
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)