USB: ssu100: 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>
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 45b8c29..8d94a5a 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -61,7 +61,6 @@
spinlock_t status_lock;
u8 shadowLSR;
u8 shadowMSR;
- struct async_icount icount;
};
static inline int ssu100_control_msg(struct usb_device *dev,
@@ -345,16 +344,16 @@
unsigned long flags;
spin_lock_irqsave(&priv->status_lock, flags);
- prev = priv->icount;
+ prev = port->icount;
spin_unlock_irqrestore(&priv->status_lock, flags);
while (1) {
wait_event_interruptible(port->delta_msr_wait,
(port->serial->disconnected ||
- (priv->icount.rng != prev.rng) ||
- (priv->icount.dsr != prev.dsr) ||
- (priv->icount.dcd != prev.dcd) ||
- (priv->icount.cts != prev.cts)));
+ (port->icount.rng != prev.rng) ||
+ (port->icount.dsr != prev.dsr) ||
+ (port->icount.dcd != prev.dcd) ||
+ (port->icount.cts != prev.cts)));
if (signal_pending(current))
return -ERESTARTSYS;
@@ -363,7 +362,7 @@
return -EIO;
spin_lock_irqsave(&priv->status_lock, flags);
- cur = priv->icount;
+ cur = port->icount;
spin_unlock_irqrestore(&priv->status_lock, flags);
if ((prev.rng == cur.rng) &&
@@ -381,30 +380,6 @@
return 0;
}
-static int ssu100_get_icount(struct tty_struct *tty,
- struct serial_icounter_struct *icount)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct ssu100_port_private *priv = usb_get_serial_port_data(port);
- struct async_icount cnow = priv->icount;
-
- 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 ssu100_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg)
{
@@ -527,13 +502,13 @@
if (msr & UART_MSR_ANY_DELTA) {
/* update input line counters */
if (msr & UART_MSR_DCTS)
- priv->icount.cts++;
+ port->icount.cts++;
if (msr & UART_MSR_DDSR)
- priv->icount.dsr++;
+ port->icount.dsr++;
if (msr & UART_MSR_DDCD)
- priv->icount.dcd++;
+ port->icount.dcd++;
if (msr & UART_MSR_TERI)
- priv->icount.rng++;
+ port->icount.rng++;
wake_up_interruptible(&port->delta_msr_wait);
}
}
@@ -553,22 +528,22 @@
/* we always want to update icount, but we only want to
* update tty_flag for one case */
if (lsr & UART_LSR_BI) {
- priv->icount.brk++;
+ port->icount.brk++;
*tty_flag = TTY_BREAK;
usb_serial_handle_break(port);
}
if (lsr & UART_LSR_PE) {
- priv->icount.parity++;
+ port->icount.parity++;
if (*tty_flag == TTY_NORMAL)
*tty_flag = TTY_PARITY;
}
if (lsr & UART_LSR_FE) {
- priv->icount.frame++;
+ port->icount.frame++;
if (*tty_flag == TTY_NORMAL)
*tty_flag = TTY_FRAME;
}
if (lsr & UART_LSR_OE){
- priv->icount.overrun++;
+ port->icount.overrun++;
if (*tty_flag == TTY_NORMAL)
*tty_flag = TTY_OVERRUN;
}
@@ -632,7 +607,7 @@
.process_read_urb = ssu100_process_read_urb,
.tiocmget = ssu100_tiocmget,
.tiocmset = ssu100_tiocmset,
- .get_icount = ssu100_get_icount,
+ .get_icount = usb_serial_generic_get_icount,
.ioctl = ssu100_ioctl,
.set_termios = ssu100_set_termios,
};