From 0a4142fb9ceddb7e8c48570431038a91bbee7c7c Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 21 Mar 2013 12:37:22 +0100 Subject: [PATCH] USB: quatech2: switch to generic get_icount implementation Switch to the generic get_icount implementation. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/quatech2.c | 51 ++++++++++--------------------------------- 1 file changed, 12 insertions(+), 39 deletions(-) diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 80a8bc30a871..3506a2c5e4e9 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -128,8 +128,6 @@ struct qt2_port_private { u8 shadowLSR; u8 shadowMSR; - struct async_icount icount; - struct usb_serial_port *port; }; @@ -501,16 +499,16 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) unsigned long flags; spin_lock_irqsave(&priv->lock, flags); - prev = priv->icount; + prev = port->icount; spin_unlock_irqrestore(&priv->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; @@ -519,7 +517,7 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) return -EIO; spin_lock_irqsave(&priv->lock, flags); - cur = priv->icount; + cur = port->icount; spin_unlock_irqrestore(&priv->lock, flags); if ((prev.rng == cur.rng) && @@ -537,28 +535,6 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) return 0; } -static int qt2_get_icount(struct tty_struct *tty, - struct serial_icounter_struct *icount) -{ - struct usb_serial_port *port = tty->driver_data; - struct qt2_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 qt2_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { @@ -958,16 +934,13 @@ static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch) if (newMSR & UART_MSR_ANY_DELTA) { /* update input line counters */ if (newMSR & UART_MSR_DCTS) - port_priv->icount.cts++; - + port->icount.cts++; if (newMSR & UART_MSR_DDSR) - port_priv->icount.dsr++; - + port->icount.dsr++; if (newMSR & UART_MSR_DDCD) - port_priv->icount.dcd++; - + port->icount.dcd++; if (newMSR & UART_MSR_TERI) - port_priv->icount.rng++; + port->icount.rng++; wake_up_interruptible(&port->delta_msr_wait); } @@ -989,7 +962,7 @@ static void qt2_update_lsr(struct usb_serial_port *port, unsigned char *ch) port_priv->shadowLSR = newLSR; spin_unlock_irqrestore(&port_priv->lock, flags); - icount = &port_priv->icount; + icount = &port->icount; if (newLSR & UART_LSR_BRK_ERROR_BITS) { @@ -1099,7 +1072,7 @@ static struct usb_serial_driver qt2_device = { .break_ctl = qt2_break_ctl, .tiocmget = qt2_tiocmget, .tiocmset = qt2_tiocmset, - .get_icount = qt2_get_icount, + .get_icount = usb_serial_generic_get_icount, .ioctl = qt2_ioctl, .set_termios = qt2_set_termios, }; -- 2.11.0