diff options
Diffstat (limited to 'drivers/staging/greybus/uart.c')
| -rw-r--r-- | drivers/staging/greybus/uart.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index 529eccb99b6c..ccfaa0f21b9c 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -457,11 +457,11 @@ static unsigned int gb_tty_write_room(struct tty_struct *tty) return room; } -static int gb_tty_chars_in_buffer(struct tty_struct *tty) +static unsigned int gb_tty_chars_in_buffer(struct tty_struct *tty) { struct gb_tty *gb_tty = tty->driver_data; unsigned long flags; - int chars; + unsigned int chars; spin_lock_irqsave(&gb_tty->write_lock, flags); chars = kfifo_len(&gb_tty->write_fifo); |