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-rw-r--r--include/linux/usb/serial.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index b9b0f7b4e43b..302ddf55d2da 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -268,6 +268,8 @@ struct usb_serial_driver {
struct usb_serial_port *port, struct ktermios *old);
void (*break_ctl)(struct tty_struct *tty, int break_state);
int (*chars_in_buffer)(struct tty_struct *tty);
+ void (*wait_until_sent)(struct tty_struct *tty, long timeout);
+ bool (*tx_empty)(struct usb_serial_port *port);
void (*throttle)(struct tty_struct *tty);
void (*unthrottle)(struct tty_struct *tty);
int (*tiocmget)(struct tty_struct *tty);
@@ -327,6 +329,8 @@ extern void usb_serial_generic_close(struct usb_serial_port *port);
extern int usb_serial_generic_resume(struct usb_serial *serial);
extern int usb_serial_generic_write_room(struct tty_struct *tty);
extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty);
+extern void usb_serial_generic_wait_until_sent(struct tty_struct *tty,
+ long timeout);
extern void usb_serial_generic_read_bulk_callback(struct urb *urb);
extern void usb_serial_generic_write_bulk_callback(struct urb *urb);
extern void usb_serial_generic_throttle(struct tty_struct *tty);
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