From 31ecdb6befeab20d93b49b8dd640c081b48912d0 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 21 Mar 2013 12:37:31 +0100 Subject: [PATCH] USB: ssu100: 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/ssu100.c | 55 +++++++++++++-------------------------------- 1 file changed, 15 insertions(+), 40 deletions(-) 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 @@ struct ssu100_port_private { 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 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) 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 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) 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 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) 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 @@ static void ssu100_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); } } @@ -553,22 +528,22 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr, /* 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 @@ static struct usb_serial_driver ssu100_device = { .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, }; -- 2.7.4