From ac295f39249896f100ab1c49e2cbc269d176bf48 Mon Sep 17 00:00:00 2001 From: Uwe Bonnes Date: Mon, 10 Oct 2011 17:24:34 +0200 Subject: [PATCH] USB: ftdi_sio.c: Fill LSR fields of the ftdi async_icount structure Signed-off-by: Uwe Bonnes Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index a865df81a551..372ae5baa632 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1954,6 +1954,14 @@ static int ftdi_process_packet(struct tty_struct *tty, N.B. packet may be processed more than once, but differences are only processed once. */ status = packet[0] & FTDI_STATUS_B0_MASK; + if (status & FTDI_RS0_CTS) + priv->icount.cts++; + if (status & FTDI_RS0_DSR) + priv->icount.dsr++; + if (status & FTDI_RS0_RI) + priv->icount.rng++; + if (status & FTDI_RS0_RLSD) + priv->icount.dcd++; if (status != priv->prev_status) { priv->diff_status |= status ^ priv->prev_status; wake_up_interruptible(&priv->delta_msr_wait);