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Commit b4cb7536 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: ark3116: switch to generic get_icount implementation 



Switch to the generic get_icount implementation.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6f86fec9

drivers/usb/serial/ark3116.c

+18 −40
Original line number Diff line number Diff line
@@ -62,7 +62,6 @@ static int is_irda(struct usb_serial *serial) 
}



struct ark3116_private {

	struct async_icount	icount;

	int			irda;	/* 1 for irda device */



	/* protects hw register updates */
@@ -402,31 +401,10 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port) 
	return result;

}



static int ark3116_get_icount(struct tty_struct *tty,

					struct serial_icounter_struct *icount)

{

	struct usb_serial_port *port = tty->driver_data;

	struct ark3116_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 ark3116_ioctl(struct tty_struct *tty,

			 unsigned int cmd, unsigned long arg)

{

	struct usb_serial_port *port = tty->driver_data;

	struct ark3116_private *priv = usb_get_serial_port_data(port);

	struct serial_struct serstruct;

	void __user *user_arg = (void __user *)arg;
@@ -450,7 +428,7 @@ static int ark3116_ioctl(struct tty_struct *tty, 
		return 0;

	case TIOCMIWAIT:

		for (;;) {

			struct async_icount prev = priv->icount;

			struct async_icount prev = port->icount;

			interruptible_sleep_on(&port->delta_msr_wait);

			/* see if a signal did it */

			if (signal_pending(current))
@@ -459,19 +437,19 @@ static int ark3116_ioctl(struct tty_struct *tty, 
			if (port->serial->disconnected)

				return -EIO;



			if ((prev.rng == priv->icount.rng) &&

			    (prev.dsr == priv->icount.dsr) &&

			    (prev.dcd == priv->icount.dcd) &&

			    (prev.cts == priv->icount.cts))

			if ((prev.rng == port->icount.rng) &&

			    (prev.dsr == port->icount.dsr) &&

			    (prev.dcd == port->icount.dcd) &&

			    (prev.cts == port->icount.cts))

				return -EIO;

			if ((arg & TIOCM_RNG &&

			     (prev.rng != priv->icount.rng)) ||

			     (prev.rng != port->icount.rng)) ||

			    (arg & TIOCM_DSR &&

			     (prev.dsr != priv->icount.dsr)) ||

			     (prev.dsr != port->icount.dsr)) ||

			    (arg & TIOCM_CD  &&

			     (prev.dcd != priv->icount.dcd)) ||

			     (prev.dcd != port->icount.dcd)) ||

			    (arg & TIOCM_CTS &&

			     (prev.cts != priv->icount.cts)))

			     (prev.cts != port->icount.cts)))

				return 0;

		}

		break;
@@ -572,13 +550,13 @@ static void ark3116_update_msr(struct usb_serial_port *port, __u8 msr) 
	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);

	}

}
@@ -595,13 +573,13 @@ static void ark3116_update_lsr(struct usb_serial_port *port, __u8 lsr) 


	if (lsr&UART_LSR_BRK_ERROR_BITS) {

		if (lsr & UART_LSR_BI)

			priv->icount.brk++;

			port->icount.brk++;

		if (lsr & UART_LSR_FE)

			priv->icount.frame++;

			port->icount.frame++;

		if (lsr & UART_LSR_PE)

			priv->icount.parity++;

			port->icount.parity++;

		if (lsr & UART_LSR_OE)

			priv->icount.overrun++;

			port->icount.overrun++;

	}

}
@@ -719,7 +697,7 @@ static struct usb_serial_driver ark3116_device = { 
	.ioctl =		ark3116_ioctl,

	.tiocmget =		ark3116_tiocmget,

	.tiocmset =		ark3116_tiocmset,

	.get_icount =		ark3116_get_icount,

	.get_icount =		usb_serial_generic_get_icount,

	.open =			ark3116_open,

	.close =		ark3116_close,

	.break_ctl = 		ark3116_break_ctl,