diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/u_serial.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-dbgtty.c | 4 | ||||
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 2 |
4 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index ca7a61190dd9..76b7fd234238 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -838,7 +838,7 @@ static int acm_tty_write(struct tty_struct *tty, return count; } -static int acm_tty_write_room(struct tty_struct *tty) +static unsigned int acm_tty_write_room(struct tty_struct *tty) { struct acm *acm = tty->driver_data; /* diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 1e59204ec7aa..676a920d9d6b 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -774,18 +774,18 @@ static void gs_flush_chars(struct tty_struct *tty) spin_unlock_irqrestore(&port->port_lock, flags); } -static int gs_write_room(struct tty_struct *tty) +static unsigned int gs_write_room(struct tty_struct *tty) { struct gs_port *port = tty->driver_data; unsigned long flags; - int room = 0; + unsigned int room = 0; spin_lock_irqsave(&port->port_lock, flags); if (port->port_usb) room = kfifo_avail(&port->port_write_buf); spin_unlock_irqrestore(&port->port_lock, flags); - pr_vdebug("gs_write_room: (%d,%p) room=%d\n", + pr_vdebug("gs_write_room: (%d,%p) room=%u\n", port->port_num, tty, room); return room; diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index ae4e4ab638b5..cd3ab35dd689 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -240,11 +240,11 @@ static void dbc_tty_flush_chars(struct tty_struct *tty) spin_unlock_irqrestore(&port->port_lock, flags); } -static int dbc_tty_write_room(struct tty_struct *tty) +static unsigned int dbc_tty_write_room(struct tty_struct *tty) { struct dbc_port *port = tty->driver_data; unsigned long flags; - int room = 0; + unsigned int room; spin_lock_irqsave(&port->port_lock, flags); room = kfifo_avail(&port->write_fifo); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 98b33b1b5357..055096831daf 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -376,7 +376,7 @@ exit: return retval; } -static int serial_write_room(struct tty_struct *tty) +static unsigned int serial_write_room(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; |