summaryrefslogtreecommitdiff
path: root/include/linux/usb/serial.h
diff options
context:
space:
mode:
authorJiri Slaby <jslaby@suse.cz>2021-05-05 11:19:20 +0200
committerJohan Hovold <johan@kernel.org>2021-05-19 10:56:41 +0200
commit155591d3ceeec2cd6a50b40278e2014c45f6b5f6 (patch)
tree4edf2ca8a9c98fd738273d8d42225e0a53ce5eee /include/linux/usb/serial.h
parent94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560 (diff)
USB: serial: make usb_serial_driver::chars_in_buffer return uint
tty_operations::chars_in_buffer is being switched to return uint. Do the same for usb_serial_driver's chars_in_buffer. Signed-off-by: Jiri Slaby <jslaby@suse.cz> [ johan: amend commit message ] Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'include/linux/usb/serial.h')
-rw-r--r--include/linux/usb/serial.h4
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);