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tty: Convert the USB drivers to the new icount interface

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Simple pasting job using the new ops function. Also fix a couple of devices
directly returning the internal struct (which happens at this point to match
for the fields that matter but isn't correct or futureproof)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2010-09-16 18:21:40 +01:00 committed by Greg Kroah-Hartman
parent d281da7ff6
commit 0bca1b913a
10 changed files with 203 additions and 145 deletions
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35
drivers/net/usb/hso.c
View File

@ -1645,11 +1645,11 @@ hso_wait_modem_status(struct hso_serial *serial, unsigned long arg)
* NB: both 1->0 and 0->1 transitions are counted except for
* RI where only 0->1 is counted.
*/
static int hso_get_count(struct hso_serial *serial,
struct serial_icounter_struct __user *icnt)
static int hso_get_count(struct tty_struct *tty,
struct serial_icounter_struct *icount)
{
struct serial_icounter_struct icount;
struct uart_icount cnow;
struct hso_serial *serial = get_serial_by_tty(tty);
struct hso_tiocmget *tiocmget = serial->tiocmget;
memset(&icount, 0, sizeof(struct serial_icounter_struct));
@ -1660,19 +1660,19 @@ static int hso_get_count(struct hso_serial *serial,
memcpy(&cnow, &tiocmget->icount, sizeof(struct uart_icount));
spin_unlock_irq(&serial->serial_lock);
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;
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 copy_to_user(icnt, &icount, sizeof(icount)) ? -EFAULT : 0;
return 0;
}
@ -1764,10 +1764,6 @@ static int hso_serial_ioctl(struct tty_struct *tty, struct file *file,
case TIOCMIWAIT:
ret = hso_wait_modem_status(serial, arg);
break;
case TIOCGICOUNT:
ret = hso_get_count(serial, uarg);
break;
default:
ret = -ENOIOCTLCMD;
break;
@ -3300,6 +3296,7 @@ static const struct tty_operations hso_serial_ops = {
.chars_in_buffer = hso_serial_chars_in_buffer,
.tiocmget = hso_serial_tiocmget,
.tiocmset = hso_serial_tiocmset,
.get_icount = hso_get_count,
.unthrottle = hso_unthrottle
};

40
drivers/usb/serial/ark3116.c
View File

@ -411,6 +411,26 @@ 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, struct file *file,
unsigned int cmd, unsigned long arg)
{
@ -460,25 +480,6 @@ static int ark3116_ioctl(struct tty_struct *tty, struct file *file,
return 0;
}
break;
case TIOCGICOUNT: {
struct serial_icounter_struct icount;
struct async_icount cnow = priv->icount;
memset(&icount, 0, sizeof(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;
if (copy_to_user(user_arg, &icount, sizeof(icount)))
return -EFAULT;
return 0;
}
}
return -ENOIOCTLCMD;
@ -736,6 +737,7 @@ static struct usb_serial_driver ark3116_device = {
.ioctl = ark3116_ioctl,
.tiocmget = ark3116_tiocmget,
.tiocmset = ark3116_tiocmset,
.get_icount = ark3116_get_icount,
.open = ark3116_open,
.close = ark3116_close,
.break_ctl = ark3116_break_ctl,

1
drivers/usb/serial/ftdi_sio.c
View File

@ -2168,6 +2168,7 @@ static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
* - mask passed in arg for lines of interest
* (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
* Caller should use TIOCGICOUNT to see which one it was.
* (except that the driver doesn't support it !)
*
* This code is borrowed from linux/drivers/char/serial.c
*/

49
drivers/usb/serial/io_edgeport.c
View File

@ -222,6 +222,8 @@ static void edge_break(struct tty_struct *tty, int break_state);
static int edge_tiocmget(struct tty_struct *tty, struct file *file);
static int edge_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static int edge_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount);
static int edge_startup(struct usb_serial *serial);
static void edge_disconnect(struct usb_serial *serial);
static void edge_release(struct usb_serial *serial);
@ -1624,6 +1626,31 @@ static int edge_tiocmget(struct tty_struct *tty, struct file *file)
return result;
}
static int edge_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount)
{
struct usb_serial_port *port = tty->driver_data;
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct async_icount cnow;
cnow = edge_port->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;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d",
__func__, port->number, icount->rx, icount->tx);
return 0;
}
static int get_serial_info(struct edgeport_port *edge_port,
struct serial_struct __user *retinfo)
{
@ -1650,7 +1677,6 @@ static int get_serial_info(struct edgeport_port *edge_port,
}
/*****************************************************************************
* SerialIoctl
* this function handles any ioctl calls to the driver
@ -1663,7 +1689,6 @@ static int edge_ioctl(struct tty_struct *tty, struct file *file,
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct async_icount cnow;
struct async_icount cprev;
struct serial_icounter_struct icount;
dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd);
@ -1702,26 +1727,6 @@ static int edge_ioctl(struct tty_struct *tty, struct file *file,
/* NOTREACHED */
break;
case TIOCGICOUNT:
cnow = edge_port->icount;
memset(&icount, 0, sizeof(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;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d",
__func__, port->number, icount.rx, icount.tx);
if (copy_to_user((void __user *)arg, &icount, sizeof(icount)))
return -EFAULT;
return 0;
}
return -ENOIOCTLCMD;
}

4
drivers/usb/serial/io_tables.h
View File

@ -123,6 +123,7 @@ static struct usb_serial_driver edgeport_2port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
.get_icount = edge_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@ -152,6 +153,7 @@ static struct usb_serial_driver edgeport_4port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
.get_icount = edge_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@ -181,6 +183,7 @@ static struct usb_serial_driver edgeport_8port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
.get_icount = edge_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,
@ -209,6 +212,7 @@ static struct usb_serial_driver epic_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
.get_icount = edge_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,

29
drivers/usb/serial/io_ti.c
View File

@ -2510,6 +2510,27 @@ static int edge_tiocmget(struct tty_struct *tty, struct file *file)
return result;
}
static int edge_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount)
{
struct usb_serial_port *port = tty->driver_data;
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct async_icount *ic = &edge_port->icount;
icount->cts = ic->cts;
icount->dsr = ic->dsr;
icount->rng = ic->rng;
icount->dcd = ic->dcd;
icount->tx = ic->tx;
icount->rx = ic->rx;
icount->frame = ic->frame;
icount->parity = ic->parity;
icount->overrun = ic->overrun;
icount->brk = ic->brk;
icount->buf_overrun = ic->buf_overrun;
return 0;
}
static int get_serial_info(struct edgeport_port *edge_port,
struct serial_struct __user *retinfo)
{
@ -2572,13 +2593,6 @@ static int edge_ioctl(struct tty_struct *tty, struct file *file,
}
/* not reached */
break;
case TIOCGICOUNT:
dbg("%s - (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
port->number, edge_port->icount.rx, edge_port->icount.tx);
if (copy_to_user((void __user *)arg, &edge_port->icount,
sizeof(edge_port->icount)))
return -EFAULT;
return 0;
}
return -ENOIOCTLCMD;
}
@ -2758,6 +2772,7 @@ static struct usb_serial_driver edgeport_1port_device = {
.set_termios = edge_set_termios,
.tiocmget = edge_tiocmget,
.tiocmset = edge_tiocmset,
.get_icount = edge_get_icount,
.write = edge_write,
.write_room = edge_write_room,
.chars_in_buffer = edge_chars_in_buffer,

54
drivers/usb/serial/mos7720.c
View File

@ -1896,10 +1896,37 @@ static int mos7720_tiocmset(struct tty_struct *tty, struct file *file,
return 0;
}
static int mos7720_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount)
{
struct usb_serial_port *port = tty->driver_data;
struct moschip_port *mos7720_port;
struct async_icount cnow;
mos7720_port = usb_get_serial_port_data(port);
cnow = mos7720_port->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;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
port->number, icount->rx, icount->tx);
return 0;
}
static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
unsigned int __user *value)
{
unsigned int mcr ;
unsigned int mcr;
unsigned int arg;
struct usb_serial_port *port;
@ -1973,7 +2000,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file,
struct moschip_port *mos7720_port;
struct async_icount cnow;
struct async_icount cprev;
struct serial_icounter_struct icount;
mos7720_port = usb_get_serial_port_data(port);
if (mos7720_port == NULL)
@ -2021,29 +2047,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file,
}
/* NOTREACHED */
break;
case TIOCGICOUNT:
cnow = mos7720_port->icount;
memset(&icount, 0, sizeof(struct serial_icounter_struct));
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;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
port->number, icount.rx, icount.tx);
if (copy_to_user((void __user *)arg, &icount, sizeof(icount)))
return -EFAULT;
return 0;
}
return -ENOIOCTLCMD;
@ -2212,6 +2215,7 @@ static struct usb_serial_driver moschip7720_2port_driver = {
.ioctl = mos7720_ioctl,
.tiocmget = mos7720_tiocmget,
.tiocmset = mos7720_tiocmset,
.get_icount = mos7720_get_icount,
.set_termios = mos7720_set_termios,
.write = mos7720_write,
.write_room = mos7720_write_room,

53
drivers/usb/serial/mos7840.c
View File

@ -2209,6 +2209,34 @@ static int mos7840_get_serial_info(struct moschip_port *mos7840_port,
return 0;
}
static int mos7840_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount)
{
struct usb_serial_port *port = tty->driver_data;
struct moschip_port *mos7840_port;
struct async_icount cnow;
mos7840_port = mos7840_get_port_private(port);
cnow = mos7840_port->icount;
smp_rmb();
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;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
port->number, icount->rx, icount->tx);
return 0;
}
/*****************************************************************************
* SerialIoctl
* this function handles any ioctl calls to the driver
@ -2223,7 +2251,6 @@ static int mos7840_ioctl(struct tty_struct *tty, struct file *file,
struct async_icount cnow;
struct async_icount cprev;
struct serial_icounter_struct icount;
if (mos7840_port_paranoia_check(port, __func__)) {
dbg("%s", "Invalid port");
@ -2282,29 +2309,6 @@ static int mos7840_ioctl(struct tty_struct *tty, struct file *file,
/* NOTREACHED */
break;
case TIOCGICOUNT:
cnow = mos7840_port->icount;
smp_rmb();
memset(&icount, 0, sizeof(struct serial_icounter_struct));
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;
dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __func__,
port->number, icount.rx, icount.tx);
if (copy_to_user(argp, &icount, sizeof(icount)))
return -EFAULT;
return 0;
default:
break;
}
@ -2674,6 +2678,7 @@ static struct usb_serial_driver moschip7840_4port_device = {
.break_ctl = mos7840_break,
.tiocmget = mos7840_tiocmget,
.tiocmset = mos7840_tiocmset,
.get_icount = mos7840_get_icount,
.attach = mos7840_startup,
.disconnect = mos7840_disconnect,
.release = mos7840_release,

46
drivers/usb/serial/ssu100.c
View File

@ -416,6 +416,30 @@ 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, struct file *file,
unsigned int cmd, unsigned long arg)
{
@ -433,27 +457,6 @@ static int ssu100_ioctl(struct tty_struct *tty, struct file *file,
case TIOCMIWAIT:
return wait_modem_info(port, arg);
case TIOCGICOUNT:
{
struct serial_icounter_struct icount;
struct async_icount cnow = priv->icount;
memset(&icount, 0, sizeof(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;
if (copy_to_user(user_arg, &icount, sizeof(icount)))
return -EFAULT;
return 0;
}
default:
break;
}
@ -726,6 +729,7 @@ 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,
.ioctl = ssu100_ioctl,
.set_termios = ssu100_set_termios,
.disconnect = usb_serial_generic_disconnect,

37
drivers/usb/serial/ti_usb_3410_5052.c
View File

@ -108,6 +108,8 @@ static void ti_throttle(struct tty_struct *tty);
static void ti_unthrottle(struct tty_struct *tty);
static int ti_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
static int ti_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount);
static void ti_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios);
static int ti_tiocmget(struct tty_struct *tty, struct file *file);
@ -237,6 +239,7 @@ static struct usb_serial_driver ti_1port_device = {
.set_termios = ti_set_termios,
.tiocmget = ti_tiocmget,
.tiocmset = ti_tiocmset,
.get_icount = ti_get_icount,
.break_ctl = ti_break,
.read_int_callback = ti_interrupt_callback,
.read_bulk_callback = ti_bulk_in_callback,
@ -265,6 +268,7 @@ static struct usb_serial_driver ti_2port_device = {
.set_termios = ti_set_termios,
.tiocmget = ti_tiocmget,
.tiocmset = ti_tiocmset,
.get_icount = ti_get_icount,
.break_ctl = ti_break,
.read_int_callback = ti_interrupt_callback,
.read_bulk_callback = ti_bulk_in_callback,
@ -788,6 +792,31 @@ static void ti_unthrottle(struct tty_struct *tty)
}
}
static int ti_get_icount(struct tty_struct *tty,
struct serial_icounter_struct *icount)
{
struct usb_serial_port *port = tty->driver_data;
struct ti_port *tport = usb_get_serial_port_data(port);
struct async_icount cnow = tport->tp_icount;
dbg("%s - (%d) TIOCGICOUNT RX=%d, TX=%d",
__func__, port->number,
cnow.rx, cnow.tx);
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 ti_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
@ -830,14 +859,6 @@ static int ti_ioctl(struct tty_struct *tty, struct file *file,
cprev = cnow;
}
break;
case TIOCGICOUNT:
dbg("%s - (%d) TIOCGICOUNT RX=%d, TX=%d",
__func__, port->number,
tport->tp_icount.rx, tport->tp_icount.tx);
if (copy_to_user((void __user *)arg, &tport->tp_icount,
sizeof(tport->tp_icount)))
return -EFAULT;
return 0;
}
return -ENOIOCTLCMD;
}