diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-25 15:08:16 +0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-25 15:08:16 +0400 |
commit | 10a010f6953b5a14ba2f0be40a4fce1bea220875 (patch) | |
tree | 19aadf718c796bc7fae0a1a1c970d84d67c541d4 /drivers/usb/serial/sierra.c | |
parent | 510b37258dfd61693ca6c039865c78bd996e3718 (diff) | |
parent | fb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff) | |
download | linux-10a010f6953b5a14ba2f0be40a4fce1bea220875.tar.xz |
Merge branch 'linus' into x86/x2apic
Conflicts:
drivers/pci/dmar.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/serial/sierra.c')
-rw-r--r-- | drivers/usb/serial/sierra.c | 95 |
1 files changed, 30 insertions, 65 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 29074c1ba22b..2f6f1523ec56 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -250,7 +250,8 @@ struct sierra_port_private { int ri_state; }; -static int sierra_send_setup(struct usb_serial_port *port) +static int sierra_send_setup(struct tty_struct *tty, + struct usb_serial_port *port) { struct usb_serial *serial = port->serial; struct sierra_port_private *portdata; @@ -260,7 +261,7 @@ static int sierra_send_setup(struct usb_serial_port *port) portdata = usb_get_serial_port_data(port); - if (port->tty) { + if (tty) { int val = 0; if (portdata->dtr_state) val |= 0x01; @@ -284,32 +285,17 @@ static int sierra_send_setup(struct usb_serial_port *port) return 0; } -static void sierra_rx_throttle(struct usb_serial_port *port) +static void sierra_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) { dbg("%s", __func__); + tty_termios_copy_hw(tty->termios, old_termios); + sierra_send_setup(tty, port); } -static void sierra_rx_unthrottle(struct usb_serial_port *port) -{ - dbg("%s", __func__); -} - -static void sierra_break_ctl(struct usb_serial_port *port, int break_state) -{ - /* Unfortunately, I don't know how to send a break */ - dbg("%s", __func__); -} - -static void sierra_set_termios(struct usb_serial_port *port, - struct ktermios *old_termios) -{ - dbg("%s", __func__); - tty_termios_copy_hw(port->tty->termios, old_termios); - sierra_send_setup(port); -} - -static int sierra_tiocmget(struct usb_serial_port *port, struct file *file) +static int sierra_tiocmget(struct tty_struct *tty, struct file *file) { + struct usb_serial_port *port = tty->driver_data; unsigned int value; struct sierra_port_private *portdata; @@ -325,9 +311,10 @@ static int sierra_tiocmget(struct usb_serial_port *port, struct file *file) return value; } -static int sierra_tiocmset(struct usb_serial_port *port, struct file *file, +static int sierra_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { + struct usb_serial_port *port = tty->driver_data; struct sierra_port_private *portdata; portdata = usb_get_serial_port_data(port); @@ -341,13 +328,7 @@ static int sierra_tiocmset(struct usb_serial_port *port, struct file *file, portdata->rts_state = 0; if (clear & TIOCM_DTR) portdata->dtr_state = 0; - return sierra_send_setup(port); -} - -static int sierra_ioctl(struct usb_serial_port *port, struct file *file, - unsigned int cmd, unsigned long arg) -{ - return -ENOIOCTLCMD; + return sierra_send_setup(tty, port); } static void sierra_outdat_callback(struct urb *urb) @@ -374,8 +355,8 @@ static void sierra_outdat_callback(struct urb *urb) } /* Write */ -static int sierra_write(struct usb_serial_port *port, - const unsigned char *buf, int count) +static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count) { struct sierra_port_private *portdata = usb_get_serial_port_data(port); struct usb_serial *serial = port->serial; @@ -463,7 +444,7 @@ static void sierra_indat_callback(struct urb *urb) dbg("%s: nonzero status: %d on endpoint %02x.", __func__, status, endpoint); } else { - tty = port->tty; + tty = port->port.tty; if (urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); @@ -473,7 +454,7 @@ static void sierra_indat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - if (port->open_count && status != -ESHUTDOWN) { + if (port->port.count && status != -ESHUTDOWN) { err = usb_submit_urb(urb, GFP_ATOMIC); if (err) dev_err(&port->dev, "resubmit read urb failed." @@ -517,9 +498,9 @@ static void sierra_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - if (port->tty && !C_CLOCAL(port->tty) && + if (port->port.tty && !C_CLOCAL(port->port.tty) && old_dcd_state && !portdata->dcd_state) - tty_hangup(port->tty); + tty_hangup(port->port.tty); } else { dbg("%s: type %x req %x", __func__, req_pkt->bRequestType, req_pkt->bRequest); @@ -537,8 +518,9 @@ static void sierra_instat_callback(struct urb *urb) } } -static int sierra_write_room(struct usb_serial_port *port) +static int sierra_write_room(struct tty_struct *tty) { + struct usb_serial_port *port = tty->driver_data; struct sierra_port_private *portdata = usb_get_serial_port_data(port); unsigned long flags; @@ -557,22 +539,8 @@ static int sierra_write_room(struct usb_serial_port *port) return 2048; } -static int sierra_chars_in_buffer(struct usb_serial_port *port) -{ - dbg("%s - port %d", __func__, port->number); - - /* - * We can't really account for how much data we - * have sent out, but hasn't made it through to the - * device as we can't see the backend here, so just - * tell the tty layer that everything is flushed. - * - * FIXME: should walk the outstanding urbs info - */ - return 0; -} - -static int sierra_open(struct usb_serial_port *port, struct file *filp) +static int sierra_open(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { struct sierra_port_private *portdata; struct usb_serial *serial = port->serial; @@ -612,9 +580,10 @@ static int sierra_open(struct usb_serial_port *port, struct file *filp) } } - port->tty->low_latency = 1; + if (tty) + tty->low_latency = 1; - sierra_send_setup(port); + sierra_send_setup(tty, port); /* start up the interrupt endpoint if we have one */ if (port->interrupt_in_urb) { @@ -626,7 +595,8 @@ static int sierra_open(struct usb_serial_port *port, struct file *filp) return 0; } -static void sierra_close(struct usb_serial_port *port, struct file *filp) +static void sierra_close(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { int i; struct usb_serial *serial = port->serial; @@ -641,7 +611,7 @@ static void sierra_close(struct usb_serial_port *port, struct file *filp) if (serial->dev) { mutex_lock(&serial->disc_mutex); if (!serial->disconnected) - sierra_send_setup(port); + sierra_send_setup(tty, port); mutex_unlock(&serial->disc_mutex); /* Stop reading/writing urbs */ @@ -651,7 +621,7 @@ static void sierra_close(struct usb_serial_port *port, struct file *filp) usb_kill_urb(port->interrupt_in_urb); - port->tty = NULL; + port->port.tty = NULL; /* FIXME */ } static int sierra_startup(struct usb_serial *serial) @@ -754,12 +724,7 @@ static struct usb_serial_driver sierra_device = { .close = sierra_close, .write = sierra_write, .write_room = sierra_write_room, - .chars_in_buffer = sierra_chars_in_buffer, - .throttle = sierra_rx_throttle, - .unthrottle = sierra_rx_unthrottle, - .ioctl = sierra_ioctl, .set_termios = sierra_set_termios, - .break_ctl = sierra_break_ctl, .tiocmget = sierra_tiocmget, .tiocmset = sierra_tiocmset, .attach = sierra_startup, @@ -792,7 +757,7 @@ failed_device_register: static void __exit sierra_exit(void) { - usb_deregister (&sierra_driver); + usb_deregister(&sierra_driver); usb_serial_deregister(&sierra_device); } |