diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/usb/serial.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index b81eb604e092..16ea5a4cc586 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -276,7 +276,7 @@ struct usb_serial_driver { int (*write)(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); /* Called only by the tty layer */ - int (*write_room)(struct tty_struct *tty); + unsigned int (*write_room)(struct tty_struct *tty); int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); void (*get_serial)(struct tty_struct *tty, struct serial_struct *ss); @@ -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); @@ -347,8 +347,8 @@ int usb_serial_generic_write(struct tty_struct *tty, struct usb_serial_port *por const unsigned char *buf, int count); void usb_serial_generic_close(struct usb_serial_port *port); int usb_serial_generic_resume(struct usb_serial *serial); -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_write_room(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); |