Merge tag 'perf-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-block.git] / include / linux / serdev.h

diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index 5f6bfe4f6d9551ffd3dfe1bf364dcbd7d6f92b0d..f5f97fa25e8ad0d3d65fa5f869c52a8982e6c6f5 100644 (file)
--- 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)