USB: ti_usb_3410_5052: switch to generic get_icount implementation

Switch to the generic get_icount implementation.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 37 deletions

diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 73deb029fc05..999772538374 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -73,7 +73,6 @@ struct ti_port {
         unsigned int            tp_uart_base_addr;
         int                     tp_flags;
         int                     tp_closing_wait;/* in .01 secs */
-        struct async_icount     tp_icount;
         wait_queue_head_t       tp_write_wait;
         struct ti_device        *tp_tdev;
         struct usb_serial_port  *tp_port;
@@ -108,8 +107,6 @@ static void ti_throttle(struct tty_struct *tty);
 static void ti_unthrottle(struct tty_struct *tty);
 static int ti_ioctl(struct tty_struct *tty,
                 unsigned int cmd, unsigned long arg);
-static int ti_get_icount(struct tty_struct *tty,
-                struct serial_icounter_struct *icount);
 static void ti_set_termios(struct tty_struct *tty,
                 struct usb_serial_port *port, struct ktermios *old_termios);
 static int ti_tiocmget(struct tty_struct *tty);
@@ -235,7 +232,7 @@ static struct usb_serial_driver ti_1port_device = {
         .set_termios            = ti_set_termios,
         .tiocmget               = ti_tiocmget,
         .tiocmset               = ti_tiocmset,
-        .get_icount             = ti_get_icount,
+        .get_icount             = usb_serial_generic_get_icount,
         .break_ctl              = ti_break,
         .read_int_callback      = ti_interrupt_callback,
         .read_bulk_callback     = ti_bulk_in_callback,
@@ -265,7 +262,7 @@ static struct usb_serial_driver ti_2port_device = {
         .set_termios            = ti_set_termios,
         .tiocmget               = ti_tiocmget,
         .tiocmset               = ti_tiocmset,
-        .get_icount             = ti_get_icount,
+        .get_icount             = usb_serial_generic_get_icount,
         .break_ctl              = ti_break,
         .read_int_callback      = ti_interrupt_callback,
         .read_bulk_callback     = ti_bulk_in_callback,
@@ -480,8 +477,6 @@ static int ti_open(struct tty_struct *tty, struct usb_serial_port *port)
 
         port_number = port->number - port->serial->minor;
 
-        memset(&(tport->tp_icount), 0x00, sizeof(tport->tp_icount));
-
         tport->tp_msr = 0;
         tport->tp_shadow_mcr |= (TI_MCR_RTS | TI_MCR_DTR);
 
@@ -731,31 +726,6 @@ static void ti_unthrottle(struct tty_struct *tty)
         }
 }
 
-static int ti_get_icount(struct tty_struct *tty,
-                struct serial_icounter_struct *icount)
-{
-        struct usb_serial_port *port = tty->driver_data;
-        struct ti_port *tport = usb_get_serial_port_data(port);
-        struct async_icount cnow = tport->tp_icount;
-
-        dev_dbg(&port->dev, "%s - TIOCGICOUNT RX=%d, TX=%d\n", __func__,
-                cnow.rx, cnow.tx);
-
-        icount->cts = cnow.cts;
-        icount->dsr = cnow.dsr;
-        icount->rng = cnow.rng;
-        icount->dcd = cnow.dcd;
-        icount->rx = cnow.rx;
-        icount->tx = cnow.tx;
-        icount->frame = cnow.frame;
-        icount->overrun = cnow.overrun;
-        icount->parity = cnow.parity;
-        icount->brk = cnow.brk;
-        icount->buf_overrun = cnow.buf_overrun;
-
-        return 0;
-}
-
 static int ti_ioctl(struct tty_struct *tty,
         unsigned int cmd, unsigned long arg)
 {
@@ -780,7 +750,7 @@ static int ti_ioctl(struct tty_struct *tty,
                                 (struct serial_struct __user *)arg);
         case TIOCMIWAIT:
                 dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__);
-                cprev = tport->tp_icount;
+                cprev = port->icount;
                 while (1) {
                         interruptible_sleep_on(&port->delta_msr_wait);
                         if (signal_pending(current))
@@ -789,7 +759,7 @@ static int ti_ioctl(struct tty_struct *tty,
                         if (port->serial->disconnected)
                                 return -EIO;
 
-                        cnow = tport->tp_icount;
+                        cnow = port->icount;
                         if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
                             cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
                                 return -EIO; /* no change => error */
@@ -1156,7 +1126,7 @@ static void ti_bulk_in_callback(struct urb *urb)
                 else
                         ti_recv(port, urb->transfer_buffer, urb->actual_length);
                 spin_lock(&tport->tp_lock);
-                tport->tp_icount.rx += urb->actual_length;
+                port->icount.rx += urb->actual_length;
                 spin_unlock(&tport->tp_lock);
         }
 
@@ -1265,7 +1235,7 @@ static void ti_send(struct ti_port *tport)
                 /* TODO: reschedule ti_send */
         } else {
                 spin_lock_irqsave(&tport->tp_lock, flags);
-                tport->tp_icount.tx += count;
+                port->icount.tx += count;
                 spin_unlock_irqrestore(&tport->tp_lock, flags);
         }
 
@@ -1385,7 +1355,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr)
 
         if (msr & TI_MSR_DELTA_MASK) {
                 spin_lock_irqsave(&tport->tp_lock, flags);
-                icount = &tport->tp_icount;
+                icount = &tport->tp_port->icount;
                 if (msr & TI_MSR_DELTA_CTS)
                         icount->cts++;
                 if (msr & TI_MSR_DELTA_DSR)