diff options
| author | David S. Miller <davem@davemloft.net> | 2013-05-24 16:48:28 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-05-24 16:48:28 -0700 |
| commit | e6ff4c75f9095f61b3a66c2a78e47b62864022dd (patch) | |
| tree | 425ea9463cbec0b1975b8a33d9a56817143055d0 /drivers/usb/serial/ftdi_sio.c | |
| parent | ee9c799c231324de681eb21e06d8bf4842768b75 (diff) | |
| parent | 0e255f1c0c9add2f0c920240ac4cadc28ae274c3 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Merge net into net-next because some upcoming net-next changes
build on top of bug fixes that went into net.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 242b5776648a..7260ec660347 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -189,6 +189,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) }, { USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) }, + { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) }, + { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, @@ -924,8 +926,8 @@ static int ftdi_tiocmset(struct tty_struct *tty, static int ftdi_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); static void ftdi_break_ctl(struct tty_struct *tty, int break_state); -static int ftdi_chars_in_buffer(struct tty_struct *tty); -static int ftdi_get_modem_status(struct tty_struct *tty, +static bool ftdi_tx_empty(struct usb_serial_port *port); +static int ftdi_get_modem_status(struct usb_serial_port *port, unsigned char status[2]); static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base); @@ -961,7 +963,7 @@ static struct usb_serial_driver ftdi_sio_device = { .ioctl = ftdi_ioctl, .set_termios = ftdi_set_termios, .break_ctl = ftdi_break_ctl, - .chars_in_buffer = ftdi_chars_in_buffer, + .tx_empty = ftdi_tx_empty, }; static struct usb_serial_driver * const serial_drivers[] = { @@ -2056,27 +2058,18 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state) } -static int ftdi_chars_in_buffer(struct tty_struct *tty) +static bool ftdi_tx_empty(struct usb_serial_port *port) { - struct usb_serial_port *port = tty->driver_data; - int chars; unsigned char buf[2]; int ret; - chars = usb_serial_generic_chars_in_buffer(tty); - if (chars) - goto out; - - /* Check if hardware buffer is empty. */ - ret = ftdi_get_modem_status(tty, buf); + ret = ftdi_get_modem_status(port, buf); if (ret == 2) { if (!(buf[1] & FTDI_RS_TEMT)) - chars = 1; + return false; } -out: - dev_dbg(&port->dev, "%s - %d\n", __func__, chars); - return chars; + return true; } /* old_termios contains the original termios settings and tty->termios contains @@ -2268,10 +2261,9 @@ no_c_cflag_changes: * Returns the number of status bytes retrieved (device dependant), or * negative error code. */ -static int ftdi_get_modem_status(struct tty_struct *tty, +static int ftdi_get_modem_status(struct usb_serial_port *port, unsigned char status[2]) { - struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); unsigned char *buf; int len; @@ -2336,7 +2328,7 @@ static int ftdi_tiocmget(struct tty_struct *tty) unsigned char buf[2]; int ret; - ret = ftdi_get_modem_status(tty, buf); + ret = ftdi_get_modem_status(port, buf); if (ret < 0) return ret; |