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USB: ti_usb_3410_5052: move write-fifo flushing to close

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Move write-fifo flushing from ti_drain to close where it belongs.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-04-18 17:33:19 +02:00 committed by Greg Kroah-Hartman
parent a8ec374f96
commit 113ec31e16
1 changed files with 8 additions and 9 deletions
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17
drivers/usb/serial/ti_usb_3410_5052.c
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@ -128,7 +128,7 @@ static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
struct serial_struct __user *new_arg);
static void ti_handle_new_msr(struct ti_port *tport, __u8 msr);
static void ti_drain(struct ti_port *tport, unsigned long timeout, int flush);
static void ti_drain(struct ti_port *tport, unsigned long timeout);
static void ti_stop_read(struct ti_port *tport, struct tty_struct *tty);
static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty);
@ -601,6 +601,7 @@ static void ti_close(struct usb_serial_port *port)
int port_number;
int status;
int do_unlock;
unsigned long flags;
tdev = usb_get_serial_data(port->serial);
tport = usb_get_serial_port_data(port);
@ -609,11 +610,14 @@ static void ti_close(struct usb_serial_port *port)
tport->tp_is_open = 0;
ti_drain(tport, (tport->tp_closing_wait*HZ)/100, 1);
ti_drain(tport, (tport->tp_closing_wait*HZ)/100);
usb_kill_urb(port->read_urb);
usb_kill_urb(port->write_urb);
tport->tp_write_urb_in_use = 0;
spin_lock_irqsave(&tport->tp_lock, flags);
kfifo_reset_out(&tport->write_fifo);
spin_unlock_irqrestore(&tport->tp_lock, flags);
port_number = port->number - port->serial->minor;
@ -965,7 +969,7 @@ static void ti_break(struct tty_struct *tty, int break_state)
if (tport == NULL)
return;
ti_drain(tport, (tport->tp_closing_wait*HZ)/100, 0);
ti_drain(tport, (tport->tp_closing_wait*HZ)/100);
status = ti_write_byte(port, tport->tp_tdev,
tport->tp_uart_base_addr + TI_UART_OFFSET_LCR,
@ -1361,7 +1365,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
}
static void ti_drain(struct ti_port *tport, unsigned long timeout, int flush)
static void ti_drain(struct ti_port *tport, unsigned long timeout)
{
struct ti_device *tdev = tport->tp_tdev;
struct usb_serial_port *port = tport->tp_port;
@ -1386,11 +1390,6 @@ static void ti_drain(struct ti_port *tport, unsigned long timeout, int flush)
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&tport->tp_write_wait, &wait);
/* flush any remaining data in the buffer */
if (flush)
kfifo_reset_out(&tport->write_fifo);
spin_unlock_irq(&tport->tp_lock);
mutex_lock(&port->serial->disc_mutex);