diff options
Diffstat (limited to 'net/irda/ircomm')
| -rw-r--r-- | net/irda/ircomm/Kconfig | 2 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_core.c | 6 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_event.c | 4 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_lmp.c | 4 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_param.c | 4 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_ttp.c | 4 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_tty.c | 101 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_tty_attach.c | 12 | ||||
| -rw-r--r-- | net/irda/ircomm/ircomm_tty_ioctl.c | 14 |
9 files changed, 73 insertions, 78 deletions
diff --git a/net/irda/ircomm/Kconfig b/net/irda/ircomm/Kconfig index 2d4c6b4a78d..19492c1707b 100644 --- a/net/irda/ircomm/Kconfig +++ b/net/irda/ircomm/Kconfig @@ -1,6 +1,6 @@ config IRCOMM tristate "IrCOMM protocol" - depends on IRDA + depends on IRDA && TTY help Say Y here if you want to build support for the IrCOMM protocol. To compile it as modules, choose M here: the modules will be diff --git a/net/irda/ircomm/ircomm_core.c b/net/irda/ircomm/ircomm_core.c index 52079f19bbb..4490a675b1b 100644 --- a/net/irda/ircomm/ircomm_core.c +++ b/net/irda/ircomm/ircomm_core.c @@ -23,9 +23,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ @@ -117,7 +115,7 @@ struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line) IRDA_ASSERT(ircomm != NULL, return NULL;); - self = kzalloc(sizeof(struct ircomm_cb), GFP_ATOMIC); + self = kzalloc(sizeof(struct ircomm_cb), GFP_KERNEL); if (self == NULL) return NULL; diff --git a/net/irda/ircomm/ircomm_event.c b/net/irda/ircomm/ircomm_event.c index d78554fedba..b172c652232 100644 --- a/net/irda/ircomm/ircomm_event.c +++ b/net/irda/ircomm/ircomm_event.c @@ -22,9 +22,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ diff --git a/net/irda/ircomm/ircomm_lmp.c b/net/irda/ircomm/ircomm_lmp.c index 3b8095c771d..6536114adf3 100644 --- a/net/irda/ircomm/ircomm_lmp.c +++ b/net/irda/ircomm/ircomm_lmp.c @@ -24,9 +24,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ diff --git a/net/irda/ircomm/ircomm_param.c b/net/irda/ircomm/ircomm_param.c index 30893912835..f80b1a6a244 100644 --- a/net/irda/ircomm/ircomm_param.c +++ b/net/irda/ircomm/ircomm_param.c @@ -22,9 +22,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ diff --git a/net/irda/ircomm/ircomm_ttp.c b/net/irda/ircomm/ircomm_ttp.c index 6e6509f22f6..d362d711b79 100644 --- a/net/irda/ircomm/ircomm_ttp.c +++ b/net/irda/ircomm/ircomm_ttp.c @@ -23,9 +23,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 4e35b45c1c7..2ba8b9705bb 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -24,9 +24,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ @@ -52,6 +50,8 @@ #include <net/irda/ircomm_tty_attach.h> #include <net/irda/ircomm_tty.h> +static int ircomm_tty_install(struct tty_driver *driver, + struct tty_struct *tty); static int ircomm_tty_open(struct tty_struct *tty, struct file *filp); static void ircomm_tty_close(struct tty_struct * tty, struct file *filp); static int ircomm_tty_write(struct tty_struct * tty, @@ -82,6 +82,7 @@ static struct tty_driver *driver; static hashbin_t *ircomm_tty = NULL; static const struct tty_operations ops = { + .install = ircomm_tty_install, .open = ircomm_tty_open, .close = ircomm_tty_close, .write = ircomm_tty_write, @@ -180,6 +181,7 @@ static void __exit __ircomm_tty_cleanup(struct ircomm_tty_cb *self) ircomm_tty_shutdown(self); self->magic = 0; + tty_port_destroy(&self->port); kfree(self); } @@ -276,7 +278,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, struct tty_port *port = &self->port; DECLARE_WAITQUEUE(wait, current); int retval; - int do_clocal = 0, extra_count = 0; + int do_clocal = 0; unsigned long flags; IRDA_DEBUG(2, "%s()\n", __func__ ); @@ -285,14 +287,21 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, * If non-blocking mode is set, or the port is not enabled, * then make the check up front and then exit. */ - if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ - /* nonblock mode is set or port is not enabled */ + if (test_bit(TTY_IO_ERROR, &tty->flags)) { + port->flags |= ASYNC_NORMAL_ACTIVE; + return 0; + } + + if (filp->f_flags & O_NONBLOCK) { + /* nonblock mode is set */ + if (tty->termios.c_cflag & CBAUD) + tty_port_raise_dtr_rts(port); port->flags |= ASYNC_NORMAL_ACTIVE; IRDA_DEBUG(1, "%s(), O_NONBLOCK requested!\n", __func__ ); return 0; } - if (tty->termios->c_cflag & CLOCAL) { + if (tty->termios.c_cflag & CLOCAL) { IRDA_DEBUG(1, "%s(), doing CLOCAL!\n", __func__ ); do_clocal = 1; } @@ -311,18 +320,16 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, __FILE__, __LINE__, tty->driver->name, port->count); spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) { - extra_count = 1; + if (!tty_hung_up_p(filp)) port->count--; - } - spin_unlock_irqrestore(&port->lock, flags); port->blocked_open++; + spin_unlock_irqrestore(&port->lock, flags); while (1) { - if (tty->termios->c_cflag & CBAUD) + if (C_BAUD(tty) && test_bit(ASYNCB_INITIALIZED, &port->flags)) tty_port_raise_dtr_rts(port); - current->state = TASK_INTERRUPTIBLE; + set_current_state(TASK_INTERRUPTIBLE); if (tty_hung_up_p(filp) || !test_bit(ASYNCB_INITIALIZED, &port->flags)) { @@ -357,13 +364,11 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, __set_current_state(TASK_RUNNING); remove_wait_queue(&port->open_wait, &wait); - if (extra_count) { - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&port->lock, flags); + spin_lock_irqsave(&port->lock, flags); + if (!tty_hung_up_p(filp)) port->count++; - spin_unlock_irqrestore(&port->lock, flags); - } port->blocked_open--; + spin_unlock_irqrestore(&port->lock, flags); IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n", __FILE__, __LINE__, tty->driver->name, port->count); @@ -374,21 +379,11 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, return retval; } -/* - * Function ircomm_tty_open (tty, filp) - * - * This routine is called when a particular tty device is opened. This - * routine is mandatory; if this routine is not filled in, the attempted - * open will fail with ENODEV. - */ -static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) + +static int ircomm_tty_install(struct tty_driver *driver, struct tty_struct *tty) { struct ircomm_tty_cb *self; unsigned int line = tty->index; - unsigned long flags; - int ret; - - IRDA_DEBUG(2, "%s()\n", __func__ ); /* Check if instance already exists */ self = hashbin_lock_find(ircomm_tty, line, NULL); @@ -421,18 +416,36 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) * * Note this is completely usafe and doesn't work properly */ - tty->termios->c_iflag = 0; - tty->termios->c_oflag = 0; + tty->termios.c_iflag = 0; + tty->termios.c_oflag = 0; /* Insert into hash */ - /* FIXME there is a window from find to here */ hashbin_insert(ircomm_tty, (irda_queue_t *) self, line, NULL); } + + tty->driver_data = self; + + return tty_port_install(&self->port, driver, tty); +} + +/* + * Function ircomm_tty_open (tty, filp) + * + * This routine is called when a particular tty device is opened. This + * routine is mandatory; if this routine is not filled in, the attempted + * open will fail with ENODEV. + */ +static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) +{ + struct ircomm_tty_cb *self = tty->driver_data; + unsigned long flags; + int ret; + + IRDA_DEBUG(2, "%s()\n", __func__ ); + /* ++ is not atomic, so this should be protected - Jean II */ spin_lock_irqsave(&self->port.lock, flags); self->port.count++; - - tty->driver_data = self; spin_unlock_irqrestore(&self->port.lock, flags); tty_port_tty_set(&self->port, tty); @@ -440,7 +453,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) self->line, self->port.count); /* Not really used by us, but lets do it anyway */ - tty->low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; + self->port.low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; /* * If the port is the middle of closing, bail out now @@ -472,7 +485,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) } /* Check if this is a "normal" ircomm device, or an irlpt device */ - if (line < 0x10) { + if (self->line < 0x10) { self->service_type = IRCOMM_3_WIRE | IRCOMM_9_WIRE; self->settings.service_type = IRCOMM_9_WIRE; /* 9 wire as default */ /* Jan Kiszka -> add DSR/RI -> Conform to IrCOMM spec */ @@ -842,7 +855,7 @@ static void ircomm_tty_throttle(struct tty_struct *tty) ircomm_tty_send_xchar(tty, STOP_CHAR(tty)); /* Hardware flow control? */ - if (tty->termios->c_cflag & CRTSCTS) { + if (tty->termios.c_cflag & CRTSCTS) { self->settings.dte &= ~IRCOMM_RTS; self->settings.dte |= IRCOMM_DELTA_RTS; @@ -874,7 +887,7 @@ static void ircomm_tty_unthrottle(struct tty_struct *tty) } /* Using hardware flow control? */ - if (tty->termios->c_cflag & CRTSCTS) { + if (tty->termios.c_cflag & CRTSCTS) { self->settings.dte |= (IRCOMM_RTS|IRCOMM_DELTA_RTS); ircomm_param_request(self, IRCOMM_DTE, TRUE); @@ -1061,7 +1074,7 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) goto put; } } - if (tty && self->port.flags & ASYNC_CTS_FLOW) { + if (tty && tty_port_cts_enabled(&self->port)) { if (tty->hw_stopped) { if (status & IRCOMM_CTS) { IRDA_DEBUG(2, @@ -1124,14 +1137,14 @@ static int ircomm_tty_data_indication(void *instance, void *sap, ircomm_tty_send_initial_parameters(self); ircomm_tty_link_established(self); } + tty_kref_put(tty); /* * Use flip buffer functions since the code may be called from interrupt * context */ - tty_insert_flip_string(tty, skb->data, skb->len); - tty_flip_buffer_push(tty); - tty_kref_put(tty); + tty_insert_flip_string(&self->port, skb->data, skb->len); + tty_flip_buffer_push(&self->port); /* No need to kfree_skb - see ircomm_ttp_data_indication() */ @@ -1304,7 +1317,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m) seq_puts(m, "Flags:"); sep = ' '; - if (self->port.flags & ASYNC_CTS_FLOW) { + if (tty_port_cts_enabled(&self->port)) { seq_printf(m, "%cASYNC_CTS_FLOW", sep); sep = '|'; } diff --git a/net/irda/ircomm/ircomm_tty_attach.c b/net/irda/ircomm/ircomm_tty_attach.c index 3ab70e7a071..2ee87bf387c 100644 --- a/net/irda/ircomm/ircomm_tty_attach.c +++ b/net/irda/ircomm/ircomm_tty_attach.c @@ -23,9 +23,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ @@ -578,7 +576,7 @@ void ircomm_tty_link_established(struct ircomm_tty_cb *self) * will have to wait for the peer device (DCE) to raise the CTS * line. */ - if ((self->port.flags & ASYNC_CTS_FLOW) && + if (tty_port_cts_enabled(&self->port) && ((self->settings.dce & IRCOMM_CTS) == 0)) { IRDA_DEBUG(0, "%s(), waiting for CTS ...\n", __func__ ); goto put; @@ -997,12 +995,8 @@ static int ircomm_tty_state_ready(struct ircomm_tty_cb *self, self->settings.dce = IRCOMM_DELTA_CD; ircomm_tty_check_modem_status(self); } else { - struct tty_struct *tty = tty_port_tty_get(&self->port); IRDA_DEBUG(0, "%s(), hanging up!\n", __func__ ); - if (tty) { - tty_hangup(tty); - tty_kref_put(tty); - } + tty_port_tty_hangup(&self->port, false); } break; default: diff --git a/net/irda/ircomm/ircomm_tty_ioctl.c b/net/irda/ircomm/ircomm_tty_ioctl.c index 0eab6500e99..ce943853c38 100644 --- a/net/irda/ircomm/ircomm_tty_ioctl.c +++ b/net/irda/ircomm/ircomm_tty_ioctl.c @@ -22,9 +22,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * ********************************************************************/ @@ -63,7 +61,7 @@ static void ircomm_tty_change_speed(struct ircomm_tty_cb *self, if (!self->ircomm) return; - cflag = tty->termios->c_cflag; + cflag = tty->termios.c_cflag; /* byte size and parity */ switch (cflag & CSIZE) { @@ -149,12 +147,12 @@ void ircomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; - unsigned int cflag = tty->termios->c_cflag; + unsigned int cflag = tty->termios.c_cflag; IRDA_DEBUG(2, "%s()\n", __func__ ); if ((cflag == old_termios->c_cflag) && - (RELEVANT_IFLAG(tty->termios->c_iflag) == + (RELEVANT_IFLAG(tty->termios.c_iflag) == RELEVANT_IFLAG(old_termios->c_iflag))) { return; @@ -173,7 +171,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty, if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) { self->settings.dte |= IRCOMM_DTR; - if (!(tty->termios->c_cflag & CRTSCTS) || + if (!(tty->termios.c_cflag & CRTSCTS) || !test_bit(TTY_THROTTLED, &tty->flags)) { self->settings.dte |= IRCOMM_RTS; } @@ -182,7 +180,7 @@ void ircomm_tty_set_termios(struct tty_struct *tty, /* Handle turning off CRTSCTS */ if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) + !(tty->termios.c_cflag & CRTSCTS)) { tty->hw_stopped = 0; ircomm_tty_start(tty); |
