diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/serial.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 6472d1f7b028..95c729446e27 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -284,7 +284,7 @@ struct usb_serial_driver { void (*set_termios)(struct tty_struct *tty, 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); + unsigned 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); @@ -348,7 +348,7 @@ int usb_serial_generic_write(struct tty_struct *tty, struct usb_serial_port *por void usb_serial_generic_close(struct usb_serial_port *port); int usb_serial_generic_resume(struct usb_serial *serial); unsigned int usb_serial_generic_write_room(struct tty_struct *tty); -int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); +unsigned int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout); void usb_serial_generic_read_bulk_callback(struct urb *urb); void usb_serial_generic_write_bulk_callback(struct urb *urb); |